KLIX [181704]: Preliminary Local Storm Report

NWUS54 KLIX 181704
LSRLIX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1103 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1053 AM HAIL BATON ROUGE 30.45N 91.13W
02/18/2012 M0.88 INCH EAST BATON ROUGE LA TRAINED SPOTTER

NICKEL AND DIMED SIZED HAIL OBSERVED AT INNISWOLD AREA OF
BATON ROUGE.

&&

$$

JS

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KPUB [181651]: Preliminary Local Storm Report

NWUS55 KPUB 181651
LSRPUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
951 AM MST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0800 AM SNOW 9 WSW FOUNTAIN 38.66N 104.87W
02/18/2012 M1.0 INCH EL PASO CO TRAINED SPOTTER

FELL OVERNIGHT.

&&

$$

MN

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KLCH [181649]: Preliminary Local Storm Report

NWUS54 KLCH 181649
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1049 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1030 AM HAIL JEANERETTE 29.92N 91.68W
02/18/2012 E0.25 INCH IBERIA LA PUBLIC

PUBLIC REPORTED PEA SIZED HAIL AT 611 LANDRY ST.

&&

$$

JNUNN

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 181632
SWODY1
SPC AC 181630

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1030 AM CST SAT FEB 18 2012

VALID 181630Z - 191200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE GULF COAST STATES...

...GULF COAST STATES...
A SOUTHERN STREAM UPPER TROUGH /WITH ASSOCIATED STRONG UPPER JET/
OVER SOUTHWEST TX WILL PROGRESS EAST-NORTHEASTWARD AND INCREASINGLY
TAKE ON A NEUTRAL/SLIGHT NEGATIVE TILT THROUGH TONIGHT AS IT REACHES
THE LOWER MS VALLEY/CENTRAL GULF COAST STATES...WHILE ALSO PHASING
WITH AN ADDITIONAL IMPULSE OVER THE LOWER/MIDDLE MO VALLEY.
NEAR/AHEAD OF AN ONGOING SQUALL LINE ACROSS SOUTHERN LA...A WARM
FRONT AND AN ASSOCIATED MORE MOISTURE-RICH AIRMASS WILL SLOWLY MOVE
INLAND THIS AFTERNOON/EVENING ACROSS THE IMMEDIATE COASTAL AREAS OF
LA/SOUTHWEST AL...AS WELL AS THE FL PANHANDLE/SOUTHEAST AL/SOUTHWEST
GA LATER TONIGHT. ACCORDINGLY...SURFACE DEWPOINTS ON THE ORDER OF
64-66 F /OR LOCALLY HIGHER NEAR THE COAST/ WILL BECOME INCREASINGLY
FAVORABLE FOR SURFACE BASED STORMS...INCLUDING DAMAGING WINDS AND A
TORNADO THREAT...WITH SHEAR/LOW-LEVEL SRH MORE THAN ADEQUATE FOR
EMBEDDED BOWS/POSSIBLE MESO-VORTICES AND PERHAPS A FEW SEMI-DISCRETE
SUPERCELLS IMMEDIATELY AHEAD OF THE CONVECTIVE LINE.

AS THE PARENT CYCLONE SPREADS EAST-NORTHEASTWARD/DEEP LAYER WIND
FIELD STRENGTHENS INTO TONIGHT...SURFACE CYCLOGENESIS WILL OCCUR
ACROSS INLAND PORTIONS OF MS/AL THROUGH LATE TONIGHT/EARLY SUNDAY.
WHILE A MORE MARGINALLY MOIST AIRMASS WILL EXIST WITH NORTHWARD
EXTENT INLAND ACROSS THE REGION...AT LEAST AN ISOLATED SEVERE THREAT
IN THE FROM OF DAMAGING WINDS/ISOLATED TORNADOES WILL LIKELY EXIST
TONIGHT IN AREAS AS FAR E/NE AS FL PANHANDLE/SOUTHERN AL INTO SOUTH
GA.

..GUYER/HURLBUT.. 02/18/2012

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KDTX [181626]: Preliminary Local Storm Report...summary

NWUS53 KDTX 181626
LSRDTX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1126 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1200 AM SNOW 3 SW SAGINAW 43.39N 83.99W
02/18/2012 M2.6 INCH SAGINAW MI TRAINED SPOTTER

...6 HOUR SNOW TOTAL...

1200 AM SNOW MIDLAND 43.62N 84.23W
02/18/2012 M1.8 INCH MIDLAND MI CO-OP OBSERVER

...6 HR SNOWFALL TOTAL...

0430 AM SNOW SAGINAW 43.42N 83.95W
02/18/2012 M3.5 INCH SAGINAW MI TRAINED SPOTTER

...10 HOUR SNOW TOTAL...

0700 AM SNOW AUBURN 43.60N 84.08W
02/18/2012 M3.7 INCH BAY MI 911 CALL CENTER

..12 HR SNOWFALL TOTAL...

0700 AM SNOW BAD AXE 43.80N 83.00W
02/18/2012 M3.0 INCH HURON MI CO-OP OBSERVER

...12 HR SNOWFALL...

0700 AM SNOW VASSAR 43.37N 83.58W
02/18/2012 M2.1 INCH TUSCOLA MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0700 AM SNOW FILION 43.90N 83.00W
02/18/2012 M2.7 INCH HURON MI CO-OP OBSERVER

...12 HR SNOWFALL...

0700 AM SNOW YALE 43.13N 82.80W
02/18/2012 M1.8 INCH ST. CLAIR MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

0700 AM SNOW LEXINGTON 43.27N 82.53W
02/18/2012 M1.5 INCH SANILAC MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0740 AM SNOW 5 S MERRILL 43.34N 84.34W
02/18/2012 M2.0 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL

0740 AM SNOW 5 W SAGINAW 43.42N 84.05W
02/18/2012 M4.0 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0830 AM SNOW PORT AUSTIN 44.04N 83.00W
02/18/2012 M2.0 INCH HURON MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

0830 AM SNOW CARO 43.49N 83.40W
02/18/2012 M4.0 INCH TUSCOLA MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

0900 AM SNOW FRANKENMUTH 43.33N 83.74W
02/18/2012 M2.7 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

0945 AM SNOW DECKERVILLE 43.53N 82.74W
02/18/2012 M3.5 INCH SANILAC MI TRAINED SPOTTER

...15 HR SNOW TOTAL...

0945 AM SNOW 2 E MERRILL 43.41N 84.30W
02/18/2012 M3.2 INCH SAGINAW MI CO-OP OBSERVER

...15 HR SNOW TOTAL...

1100 AM SNOW 2 W LAPEER 43.05N 83.36W
02/18/2012 M0.8 INCH LAPEER MI CO-OP OBSERVER

...12 HOUR SNOW TOTAL...

&&

$$

DELLIOTT

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KAPX [181624]: Preliminary Local Storm Report

NWUS53 KAPX 181624
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
1124 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1124 AM SNOW 5 W GAYLORD 45.03N 84.78W
02/18/2012 M3.5 INCH OTSEGO MI PUBLIC

24 HR TOTAL THRU 10 AM.

&&

$$

SCHWARTZ

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KDTX [181619]: Preliminary Local Storm Report

NWUS53 KDTX 181619
LSRDTX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1119 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0945 AM SNOW 2 E MERRILL 43.41N 84.30W
02/18/2012 M3.2 INCH SAGINAW MI CO-OP OBSERVER

...15 HR SNOW TOTAL...

0945 AM SNOW DECKERVILLE 43.53N 82.74W
02/18/2012 M3.5 INCH SANILAC MI TRAINED SPOTTER

...15 HR SNOW TOTAL...

1100 AM SNOW 2 W LAPEER 43.05N 83.36W
02/18/2012 M0.8 INCH LAPEER MI CO-OP OBSERVER

...12 HOUR SNOW TOTAL...

&&

$$

DELLIOTT

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KLCH [181614]: Preliminary Local Storm Report...summary

NWUS54 KLCH 181614
LSRLCH

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1014 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0641 AM HAIL FORT POLK 31.05N 93.21W
02/18/2012 E0.25 INCH VERNON LA OTHER FEDERAL

WEATHER OBSERVER AT FORT POLK REPORTED PEA SIZE HAIL.

0745 AM TSTM WND DMG SULPHUR 30.23N 93.36W
02/18/2012 CALCASIEU LA NWS EMPLOYEE

TREE REPORTED ACROSS BEGLIS PARKWAY IN SULPHUR.

0750 AM TSTM WND DMG 3 N SULPHUR 30.27N 93.36W
02/18/2012 CALCASIEU LA PUBLIC

POWER LINES BLOWN DOWN.

0800 AM TSTM WND GST 10 E GRAND LAKE 30.03N 93.10W
02/18/2012 E60.00 MPH CAMERON LA NWS EMPLOYEE

0804 AM TSTM WND GST 4 WNW GRAND LAKE 30.05N 93.33W
02/18/2012 M63.00 MPH CAMERON LA SHIP

0805 AM TSTM WND GST 10 E GRAND LAKE 30.03N 93.10W
02/18/2012 E0.00 MPH CAMERON LA NWS EMPLOYEE

0900 AM TSTM WND DMG JENNINGS 30.22N 92.66W
02/18/2012 JEFFERSON DAVIS LA LAW ENFORCEMENT

A TREE WAS BLOWN ONTO A HOUSE ON SHANNON DRIVE AND POWER
LINES WERE DOWNED.

0900 AM TSTM WND DMG JENNINGS 30.22N 92.66W
02/18/2012 JEFFERSON DAVIS LA LAW ENFORCEMENT

POWER LINES AND TREES DOWN FROM IH10 ALONG LA HWY 26 TO
ABOUT 3 MILES SOUTH OF IH10

0915 AM MARINE TSTM WIND 21 SW ROCKEFELLER WILDL 29.45N 92.98W
02/18/2012 M41.00 MPH GMZ452 LA AWOS

41 MPH WIND REPORTED AT KCNB

0915 AM MARINE TSTM WIND 21 SW ROCKEFELLER WILDL 29.45N 92.98W
02/18/2012 M41.00 MPH GMZ452 LA AWOS

WIND GUST OF 41 MPH REPORTED AT KCNB

0915 AM MARINE TSTM WIND 21 SW ROCKEFELLER WILDL 29.45N 92.98W
02/18/2012 M0.00 MPH GMZ452 LA AWOS

36 KNOTS MEASURED AT AWOS SITE KCNB

0930 AM TORNADO 2 ESE RAYNE 30.23N 92.23W
02/18/2012 ACADIA LA PUBLIC

PUBLIC REPORTED FLOOR SHAKING AND FREIGHT TRAIN SOUND

0930 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E75.00 MPH LAFAYETTE LA BROADCAST MEDIA

KATC ESTIMATED 75 MPH WIND GUST ON THE SOUTH SIDE OF
LAFAYETTE WITH THE BOW ECHO.

0930 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E75.00 MPH LAFAYETTE LA BROADCAST MEDIA

KATC REPORT OF ESTIMATED 75 MPH WIND GUST ON THE SOUTH
SIDE OF LAFAYETTE WITH THE BOW ECHO.

0933 AM FUNNEL CLOUD DUSON 30.23N 92.19W
02/18/2012 LAFAYETTE LA LAW ENFORCEMENT

FUNNEL CLOUD REPORTED BY LAW ENFORCEMENT.

0935 AM FUNNEL CLOUD 2 NE MAURICE 30.13N 92.10W
02/18/2012 LAFAYETTE LA LAW ENFORCEMENT

LOUISIANA STATE POLICE TROOP I SIGHTED A FUNNEL CLOUD 2
MILES NORTHEAST OF MAURICE.

0936 AM FUNNEL CLOUD LAFAYETTE 30.22N 92.03W
02/18/2012 LAFAYETTE LA PUBLIC

PUBLIC REPORTED FUNNEL CLOUD BETWEEN AMBASSADOR CAFFREY
BOULEVARD AND IH 10.

0943 AM HAIL BREAUX BRIDGE 30.28N 91.90W
02/18/2012 E1.00 INCH ST. MARTIN LA PUBLIC

0945 AM HAIL 2 E LAFAYETTE 30.22N 92.00W
02/18/2012 E0.25 INCH LAFAYETTE LA PUBLIC

PEA SIZED HAIL REPORTED ON THE EAST SIDE OF THE LAFAYETTE
REGIONAL AIRPORT

0945 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E60.00 MPH LAFAYETTE LA PUBLIC

PUBLIC REPORTED WINDS OF 50 TO 60 MPH ALONG AMBASSADOR
CAFFREY BOULEVARD

0951 AM HAIL 6 ENE FORKED ISLAND 29.88N 92.22W
02/18/2012 E0.88 INCH VERMILION LA PUBLIC

NICKEL SIZE HAIL OBSERVED FOR 3 MINUTES.

&&

$$

JRUA

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KLCH [181614]: Preliminary Local Storm Report

NWUS54 KLCH 181614
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1013 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0951 AM HAIL 6 ENE FORKED ISLAND 29.88N 92.22W
02/18/2012 E0.88 INCH VERMILION LA PUBLIC

NICKEL SIZE HAIL OBSERVED FOR 3 MINUTES.

&&

$$

JRUA

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KLCH [181610]: Preliminary Local Storm Report

NWUS54 KLCH 181610
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1010 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0745 AM TSTM WND DMG SULPHUR 30.23N 93.36W
02/18/2012 CALCASIEU LA NWS EMPLOYEE

TREE REPORTED ACROSS BEGLIS PARKWAY IN SULPHUR.

&&

$$

BRAZZELL

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KLCH [181603]: Preliminary Local Storm Report

NWUS54 KLCH 181603
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1003 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0943 AM HAIL BREAUX BRIDGE 30.28N 91.90W
02/18/2012 E1.00 INCH ST. MARTIN LA PUBLIC

&&

$$

BRAZZELL

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WATCHES: Severe Thunderstorm Watch - Number 27

WWUS20 KWNS 181603
SEL7
SPC WW 181603
LAZ000-TXZ000-CWZ000-181500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH - NUMBER 27
NWS STORM PREDICTION CENTER NORMAN OK
1003 AM CST SAT FEB 18 2012

THE NWS STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 27 ISSUED AT 450 AM CST FOR PORTIONS OF

LOUISIANA
TEXAS
COASTAL WATERS

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KLCH [181602]: Preliminary Local Storm Report

NWUS54 KLCH 181602
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1002 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0900 AM TSTM WND DMG JENNINGS 30.22N 92.66W
02/18/2012 JEFFERSON DAVIS LA LAW ENFORCEMENT

POWER LINES AND TREES DOWN FROM IH10 ALONG LA HWY 26 TO
ABOUT 3 MILES SOUTH OF IH10

&&

$$

JNUNN

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WATCHES: Tornado Watch Number 28

WWUS20 KWNS 181555
SEL8
SPC WW 181555
LAZ000-MSZ000-CWZ000-182100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 28
NWS STORM PREDICTION CENTER NORMAN OK
955 AM CST SAT FEB 18 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

SOUTHEAST LOUISIANA
EXTREME SOUTHERN MISSISSIPPI
COASTAL WATERS

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 955 AM UNTIL
300 PM CST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 110 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF SLIDELL
LOUISIANA TO 45 MILES SOUTHEAST OF HOUMA LOUISIANA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

DISCUSSION...STG UPR TROUGH ACRS TX ATTM WILL EJECT NEWD ACROSS
ARKLATEX THROUGH TODAY WITH 12H 500MB HGT FALLS OF 60-90M AFFECTING
NWRN GULF COAST AND LOWER MS VALLEY THROUGH TONIGHT. WELL-FORMED
MESOLOW AND ASSOCIATED BOW/LEWP STRUCTURE WAS LEADING THE SYNOPTIC
CYCLONE AND IS EXPECTED TO MAINTAIN STRUCTURE AND INTENSITY AS IT
TRACKS EAST ALONG WARM FRONT. WITH SHEAR AND SURFACE-BASED
INSTABILITY LIKELY TO INCREASE AHEAD OF THIS SMALLER-SCALE
DISTURBANCE THE THREAT FOR DAMAGING WINDS AND A COUPLE OF TORNADOES
SHOULD LIKEWISE INCREASE ACROSS THE MS DELTA REGION THROUGH THIS
AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 24045.

...CARBIN

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KLCH [181552]: Preliminary Local Storm Report...summary

NWUS54 KLCH 181552
LSRLCH

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
952 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0641 AM HAIL FORT POLK 31.05N 93.21W
02/18/2012 E0.25 INCH VERNON LA OTHER FEDERAL

WEATHER OBSERVER AT FORT POLK REPORTED PEA SIZE HAIL.

0750 AM TSTM WND DMG 3 N SULPHUR 30.27N 93.36W
02/18/2012 CALCASIEU LA PUBLIC

POWER LINES BLOWN DOWN.

0800 AM TSTM WND GST 10 E GRAND LAKE 30.03N 93.10W
02/18/2012 E60.00 MPH CAMERON LA NWS EMPLOYEE

0804 AM TSTM WND GST 4 WNW GRAND LAKE 30.05N 93.33W
02/18/2012 M63.00 MPH CAMERON LA SHIP

0805 AM TSTM WND GST 10 E GRAND LAKE 30.03N 93.10W
02/18/2012 E0.00 MPH CAMERON LA NWS EMPLOYEE

0900 AM TSTM WND DMG JENNINGS 30.22N 92.66W
02/18/2012 JEFFERSON DAVIS LA LAW ENFORCEMENT

A TREE WAS BLOWN ONTO A HOUSE ON SHANNON DRIVE AND POWER
LINES WERE DOWNED.

0915 AM MARINE TSTM WIND 21 SW ROCKEFELLER WILDL 29.45N 92.98W
02/18/2012 M0.00 MPH GMZ452 LA AWOS

36 KNOTS MEASURED AT AWOS SITE KCNB

0915 AM MARINE TSTM WIND 21 SW ROCKEFELLER WILDL 29.45N 92.98W
02/18/2012 M41.00 MPH GMZ452 LA AWOS

41 MPH WIND REPORTED AT KCNB

0915 AM MARINE TSTM WIND 21 SW ROCKEFELLER WILDL 29.45N 92.98W
02/18/2012 M41.00 MPH GMZ452 LA AWOS

WIND GUST OF 41 MPH REPORTED AT KCNB

0930 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E75.00 MPH LAFAYETTE LA BROADCAST MEDIA

KATC ESTIMATED 75 MPH WIND GUST ON THE SOUTH SIDE OF
LAFAYETTE WITH THE BOW ECHO.

0930 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E75.00 MPH LAFAYETTE LA BROADCAST MEDIA

KATC REPORT OF ESTIMATED 75 MPH WIND GUST ON THE SOUTH
SIDE OF LAFAYETTE WITH THE BOW ECHO.

0930 AM TORNADO 2 ESE RAYNE 30.23N 92.23W
02/18/2012 ACADIA LA PUBLIC

PUBLIC REPORTED FLOOR SHAKING AND FREIGHT TRAIN SOUND

0933 AM FUNNEL CLOUD DUSON 30.23N 92.19W
02/18/2012 LAFAYETTE LA LAW ENFORCEMENT

FUNNEL CLOUD REPORTED BY LAW ENFORCEMENT.

0935 AM FUNNEL CLOUD 2 NE MAURICE 30.13N 92.10W
02/18/2012 LAFAYETTE LA LAW ENFORCEMENT

LOUISIANA STATE POLICE TROOP I SIGHTED A FUNNEL CLOUD 2
MILES NORTHEAST OF MAURICE.

0936 AM FUNNEL CLOUD LAFAYETTE 30.22N 92.03W
02/18/2012 LAFAYETTE LA PUBLIC

PUBLIC REPORTED FUNNEL CLOUD BETWEEN AMBASSADOR CAFFREY
BOULEVARD AND IH 10.

0945 AM HAIL 2 E LAFAYETTE 30.22N 92.00W
02/18/2012 E0.25 INCH LAFAYETTE LA PUBLIC

PEA SIZED HAIL REPORTED ON THE EAST SIDE OF THE LAFAYETTE
REGIONAL AIRPORT

0945 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E60.00 MPH LAFAYETTE LA PUBLIC

PUBLIC REPORTED WINDS OF 50 TO 60 MPH ALONG AMBASSADOR
CAFFREY BOULEVARD

&&

$$

JRUA

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KLCH [181551]: Preliminary Local Storm Report

NWUS54 KLCH 181551
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
951 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0945 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E60 MPH LAFAYETTE LA PUBLIC

PUBLIC REPORTED WINDS OF 50 TO 60 MPH ALONG AMBASSADOR
CAFFREY BOULEVARD

&&

$$

JNUNN

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KLCH [181551]: Preliminary Local Storm Report

NWUS54 KLCH 181551
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
951 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0948 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E0 MPH LAFAYETTE LA BROADCAST MEDIA

KATC REPORT OF ESTIMATED 75 MPH WIND GUST ON THE SOUTH
SIDE OF LAFAYETTE WITH THE BOW ECHO.

0930 AM TSTM WND GST LAFAYETTE 30.22N 92.03W
02/18/2012 E75 MPH LAFAYETTE LA BROADCAST MEDIA

KATC ESTIMATED 75 MPH WIND GUST ON THE SOUTH SIDE OF
LAFAYETTE WITH THE BOW ECHO.

&&

$$

JRUA

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KLCH [181550]: Preliminary Local Storm Report

NWUS54 KLCH 181550
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
950 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0936 AM FUNNEL CLOUD LAFAYETTE 30.22N 92.03W
02/18/2012 LAFAYETTE LA PUBLIC

PUBLIC REPORTED FUNNEL CLOUD BETWEEN AMBASSADOR CAFFREY
BOULEVARD AND IH 10.

&&

$$

JNUNN

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KLCH [181548]: Preliminary Local Storm Report

NWUS54 KLCH 181548
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
948 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0945 AM HAIL 2 E LAFAYETTE 30.22N 92.00W
02/18/2012 E0.25 INCH LAFAYETTE LA PUBLIC

PEA SIZED HAIL REPORTED ON THE EAST SIDE OF THE LAFAYETTE
REGIONAL AIRPORT

&&

$$

JNUNN

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KAPX [181546]: Preliminary Local Storm Report

NWUS53 KAPX 181546
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
1046 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1041 AM SNOW HIGGINS LAKE 44.46N 84.74W
02/18/2012 M5.0 INCH ROSCOMMON MI TRAINED SPOTTER

24 HR TOTAL THRU 10 AM.

1041 AM SNOW 5 SSW NORTHPORT 45.06N 85.66W
02/18/2012 M4.9 INCH LEELANAU MI COCORAHS

24 HR TOTAL THRU 7 AM.

1041 AM SNOW TRAVERSE CITY 44.75N 85.60W
02/18/2012 M5.0 INCH GRAND TRAVERSE MI CO-OP OBSERVER

24 HR TOTAL THRU 7 AM. SNOW DEPTH 5 IN. MEASURED AT THE
TRAVERSE CITY MUNSON HOSPITAL.

1041 AM SNOW 2 SSW ALPENA 45.05N 83.45W
02/18/2012 M3.4 INCH ALPENA MI COCORAHS

24 HR TOTALT THRU 7 AM.

1041 AM SNOW ALBA 45.00N 84.90W
02/18/2012 M3.0 INCH ANTRIM MI TRAINED SPOTTER

24 HR TOTAL THRU 10 AM. SNOW DEPTH 11 IN.

&&

$$

SCHWARTZ

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KLCH [181543]: Preliminary Local Storm Report

NWUS54 KLCH 181543
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
943 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0935 AM FUNNEL CLOUD 2 NE MAURICE 30.13N 92.10W
02/18/2012 LAFAYETTE LA LAW ENFORCEMENT

LOUISIANA STATE POLICE TROOP I SIGHTED A FUNNEL CLOUD 2
MILES NORTHEAST OF MAURICE.

&&

$$

JRUA

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KLCH [181542]: Preliminary Local Storm Report

NWUS54 KLCH 181542
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
942 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0930 AM TORNADO 2 ESE RAYNE 30.23N 92.23W
02/18/2012 ACADIA LA PUBLIC

PUBLIC REPORTED FLOOR SHAKING AND FREIGHT TRAIN SOUND

&&

$$

JNUNN

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KHGX [181541]: Preliminary Local Storm Report

NWUS54 KHGX 181541
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
941 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0925 AM FLASH FLOOD PECAN GROVE 29.63N 95.73W
02/18/2012 FORT BEND TX LAW ENFORCEMENT

WATER COVERING ROADS FM 359 AND PITTS ROAD NEAR MELODY
LANE. WATER RISING AND NEARING HOMES. BESSIE CREEK AT
BANK TOP.

&&

$$

KPROCHAZ

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KLCH [181538]: Preliminary Local Storm Report

NWUS54 KLCH 181538
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
938 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0915 AM MARINE TSTM WIND 21 SW ROCKEFELLER WILDL 29.45N 92.98W
02/18/2012 M41 MPH GMZ452 LA AWOS

41 MPH WIND REPORTED AT KCNB

&&

$$

JNUNN

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KLCH [181533]: Preliminary Local Storm Report

NWUS54 KLCH 181533
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
933 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0933 AM FUNNEL CLOUD DUSON 30.23N 92.19W
02/18/2012 LAFAYETTE LA LAW ENFORCEMENT

FUNNEL CLOUD REPORTED BY LAW ENFORCEMENT.

&&

$$

BRAZZELL

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KLCH [181532]: Preliminary Local Storm Report

NWUS54 KLCH 181532
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
932 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0804 AM TSTM WND GST 4 WNW GRAND LAKE 30.05N 93.33W
02/18/2012 M63 MPH CAMERON LA SHIP

&&

$$

BRAZZELL

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KPSR [181532]: Preliminary Local Storm Report

NWUS55 KPSR 181532
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
832 AM MST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0815 AM DENSE FOG 2 WSW EL CENTRO 32.78N 115.59W
02/18/2012 E0.12 MILE IMPERIAL CA TRAINED SPOTTER

AREAS OF DENSE FOG WITH VIS LESS THAN 200 FT.

&&

EVENT NUMBER PSR1200017

$$

CDEWEY

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MESO: Mesoscale Discussion 0125

ACUS11 KWNS 181532
SWOMCD
SPC MCD 181531
MSZ000-LAZ000-181630-

MESOSCALE DISCUSSION 0125
NWS STORM PREDICTION CENTER NORMAN OK
0931 AM CST SAT FEB 18 2012

AREAS AFFECTED...SRN LA...FAR SRN MS

CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY

VALID 181531Z - 181630Z

ELEVATED TSTMS SHOULD TRANSITION TO BECOMING SURFACE-BASED THROUGH
THE DAY...WITH A CORRESPONDING INCREASE IN DAMAGING WIND AND
EVENTUALLY TORNADO POTENTIAL...ESPECIALLY ACROSS SERN LA THIS
AFTERNOON. A TORNADO WATCH WILL LIKELY BE ISSUED BY 1630Z.

BOWING STRUCTURE HAS BECOME MORE PROMINENT WITH LEAD SQUALL LINE
ACROSS ST LANDRY TO CAMERON PARISHES AS OF 1525Z. ALTHOUGH MODIFIED
12Z LCH RAOB SUGGESTS THIS BOW IS ELEVATED WITH MINIMAL
SURFACE-BASED INSTABILITY...DOWNSTREAM AIR MASS CONTINUES TO
WARM/MOISTEN ACROSS SERN LA. 15Z SURFACE ANALYSIS INDICATES WARM
FRONT APPEARS TO HAVE SURGED NWD ACROSS SRN LA...NOW DRAPED EWD
TOWARDS LK PONTCHARTRAIN. ALTHOUGH THE RICHER MARITIME AIR MASS
REMAINS ALONG/JUST OFF THE SRN LA COAST...MODIFIED RUC/NAM SOUNDINGS
SUGGEST 64-65 F SURFACE DEW POINTS WILL BE SUFFICIENT FOR
SURFACE-BASED PARCELS. GIVEN 0-1 KM SHEAR AOA 30 KT...AN INCREASING
RISK FOR DAMAGING WINDS AND TORNADOES IS ANTICIPATED.

..GRAMS.. 02/18/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MOB...LIX...LCH...

LAT...LON 29549266 29949222 30509216 30619151 30659076 30788955
30748899 30558873 28738892 28909097 29549266

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KLCH [181512]: Preliminary Local Storm Report

NWUS54 KLCH 181512
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
912 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0900 AM TSTM WND DMG JENNINGS 30.22N 92.66W
02/18/2012 JEFFERSON DAVIS LA LAW ENFORCEMENT

A TREE WAS BLOWN ONTO A HOUSE ON SHANNON DRIVE AND POWER
LINES WERE DOWNED.

&&

$$

BRAZZELL

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KLCH [181457]: Preliminary Local Storm Report

NWUS54 KLCH 181457
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
857 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0750 AM TSTM WND DMG 3 N SULPHUR 30.27N 93.36W
02/18/2012 CALCASIEU LA PUBLIC

POWER LINES BLOWN DOWN.

&&

$$

MMARCOTT

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KAPX [181455]: Preliminary Local Storm Report...summary

NWUS53 KAPX 181455
LSRAPX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GAYLORD MI
955 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0633 AM SNOW 6 E CROSS VILLAGE 45.64N 84.91W
02/18/2012 E3.0 INCH EMMET MI PUBLIC

12 HR TOTAL THRU 6 AM.

0633 AM SNOW ROSCOMMON 44.50N 84.60W
02/18/2012 E3.0 INCH ROSCOMMON MI PUBLIC

12 HR TOTAL THRU 6 AM.

0644 AM SNOW 4 W VANDERBILT 45.14N 84.75W
02/18/2012 E3.0 INCH CHARLEVOIX MI PUBLIC

12 HR TOTAL THRU 6 AM.

0647 AM SNOW LOVELLS 44.81N 84.47W
02/18/2012 E3.5 INCH CRAWFORD MI PUBLIC

12 HR TOTAL THRU 6 AM.

0734 AM SNOW 1 S TRAVERSE CITY 44.74N 85.60W
02/18/2012 M7.5 INCH GRAND TRAVERSE MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

0734 AM SNOW 3 SE OMER 44.02N 83.81W
02/18/2012 M3.5 INCH ARENAC MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

0746 AM SNOW LAKE LEELANAU 44.98N 85.72W
02/18/2012 M4.6 INCH LEELANAU MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

0746 AM SNOW 3 NW TRAVERSE CITY 44.79N 85.65W
02/18/2012 M4.0 INCH LEELANAU MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

0757 AM SNOW 6 SW TRAVERSE CITY 44.69N 85.69W
02/18/2012 E3.0 INCH GRAND TRAVERSE MI PUBLIC

12 HR TOTAL THRU 7 AM.

0804 AM SNOW WILLIAMSBURG 44.77N 85.40W
02/18/2012 M6.2 INCH GRAND TRAVERSE MI TRAINED SPOTTER

12 HR TOTAL THRU 8 AM.

0804 AM SNOW 6 SE MANCELONA 44.84N 84.97W
02/18/2012 M4.0 INCH KALKASKA MI TRAINED SPOTTER

12 HR TOTAL THRU 8 AM. SNOW DEPTH 12 IN.

0849 AM SNOW TRAVERSE CITY 44.75N 85.60W
02/18/2012 M3.7 INCH GRAND TRAVERSE MI TRAINED SPOTTER

12 HR TOTAL THRU 8 AM.

0906 AM SNOW 3 S SUTTONS BAY 44.94N 85.65W
02/18/2012 M4.5 INCH LEELANAU MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 6 IN.

0906 AM SNOW 6 N AU GRES 44.13N 83.69W
02/18/2012 M3.0 INCH ARENAC MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 3 IN.

0942 AM SNOW 10 S GRAYLING 44.51N 84.71W
02/18/2012 M5.8 INCH CRAWFORD MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 14 IN.

0942 AM SNOW HIGGINS LAKE 44.46N 84.74W
02/18/2012 M3.0 INCH ROSCOMMON MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 5 IN.

0942 AM SNOW LUPTON 44.43N 84.02W
02/18/2012 M3.0 INCH OGEMAW MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM.

&&

$$

SCHWARTZ

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KLCH [181455]: Preliminary Local Storm Report

NWUS54 KLCH 181455
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
855 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0800 AM TSTM WND GST 10 E GRAND LAKE 30.03N 93.10W
02/18/2012 E60 MPH CAMERON LA NWS EMPLOYEE

&&

$$

MMARCOTT

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KAPX [181446]: Preliminary Local Storm Report

NWUS53 KAPX 181446
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
946 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0942 AM SNOW 10 S GRAYLING 44.51N 84.71W
02/18/2012 M5.8 INCH CRAWFORD MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 14 IN.

0942 AM SNOW HIGGINS LAKE 44.46N 84.74W
02/18/2012 M3.0 INCH ROSCOMMON MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 5 IN.

0942 AM SNOW LUPTON 44.43N 84.02W
02/18/2012 M3.0 INCH OGEMAW MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM.

&&

$$

SCHWARTZ

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KHGX [181441]: Preliminary Local Storm Report...summary

NWUS54 KHGX 181441
LSRHGX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
841 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0405 AM TSTM WND DMG 6 E BRENHAM 30.16N 96.30W
02/18/2012 WASHINGTON TX LAW ENFORCEMENT

TREE DOWN BLOCKING COUNTRY ROAD, CLEARED AT 546 AM.

0408 AM TSTM WND DMG BELLVILLE 29.95N 96.26W
02/18/2012 AUSTIN TX LAW ENFORCEMENT

TREE DOWN BLOCKING ROAD IN BELLVILLE NEAR HIGHWAY 36.

0417 AM FLASH FLOOD 7 WSW COLUMBUS 29.67N 96.66W
02/18/2012 COLORADO TX LAW ENFORCEMENT

WATER OVER THE ROAD NEAR COUNTY ROAD 215 AND 211.

0430 AM FLASH FLOOD 13 NW BELLVILLE 30.08N 96.41W
02/18/2012 WASHINGTON TX LAW ENFORCEMENT

FM 109 AND OILFIELD ROAD IMPASSABLE.

0430 AM FLASH FLOOD 4 SSW COLUMBUS 29.65N 96.58W
02/18/2012 COLORADO TX LAW ENFORCEMENT

WATER OVER THE ROAD ON COUNTY ROAD 151 NEAR COUNTY ROAD
105.

0450 AM TSTM WND DMG WALLIS 29.63N 96.06W
02/18/2012 AUSTIN TX LAW ENFORCEMENT

TREE DOWN ON BIRCH STREET.

0513 AM TSTM WND DMG WILLIS 30.42N 95.48W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN ON THE ROAD.

0515 AM TSTM WND DMG THE WOODLANDS 30.16N 95.49W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN.

0527 AM TSTM WND DMG 3 N NEW CANEY 30.20N 95.21W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN ON POWERLINES NEAR COUNTY ROAD 242 AND WILD
FOREST DRIVE.

0530 AM TSTM WND DMG 1 W SPLENDORA 30.23N 95.18W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN ON DUKE ROAD NEAR FM 2090.

0600 AM FLASH FLOOD 3 NE NAVASOTA 30.42N 96.05W
02/18/2012 GRIMES TX LAW ENFORCEMENT

FM 3090 WAS IMPASSABLE.

&&

$$

KPROCHAZ

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KHGX [181440]: Preliminary Local Storm Report

NWUS54 KHGX 181440
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
840 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0405 AM TSTM WND DMG 6 E BRENHAM 30.16N 96.30W
02/18/2012 WASHINGTON TX LAW ENFORCEMENT

TREE DOWN BLOCKING COUNTRY ROAD, CLEARED AT 546 AM.

0417 AM FLASH FLOOD 7 WSW COLUMBUS 29.67N 96.66W
02/18/2012 COLORADO TX LAW ENFORCEMENT

WATER OVER THE ROAD NEAR COUNTY ROAD 215 AND 211.

0430 AM FLASH FLOOD 4 SSW COLUMBUS 29.65N 96.58W
02/18/2012 COLORADO TX LAW ENFORCEMENT

WATER OVER THE ROAD ON COUNTY ROAD 151 NEAR COUNTY ROAD
105.

0527 AM TSTM WND DMG 3 N NEW CANEY 30.20N 95.21W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN ON POWERLINES NEAR COUNTY ROAD 242 AND WILD
FOREST DRIVE.

0530 AM TSTM WND DMG 1 W SPLENDORA 30.23N 95.18W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN ON DUKE ROAD NEAR FM 2090.

&&

$$

KPROCHAZ

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KDTX [181430]: Preliminary Local Storm Report

NWUS53 KDTX 181430
LSRDTX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
930 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0830 AM SNOW CARO 43.49N 83.40W
02/18/2012 M4.0 INCH TUSCOLA MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

0830 AM SNOW PORT AUSTIN 44.04N 83.00W
02/18/2012 M2.0 INCH HURON MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

0900 AM SNOW FRANKENMUTH 43.33N 83.74W
02/18/2012 M2.7 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

&&

$$

DELLIOTT

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MESO: Mesoscale Discussion 0124

ACUS11 KWNS 181430
SWOMCD
SPC MCD 181429
LAZ000-TXZ000-181500-

MESOSCALE DISCUSSION 0124
NWS STORM PREDICTION CENTER NORMAN OK
0829 AM CST SAT FEB 18 2012

AREAS AFFECTED...SRN LA...SERN TX

CONCERNING...SEVERE THUNDERSTORM WATCH 27...

VALID 181429Z - 181500Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 27
CONTINUES.

SQUALL LINE ALONG PRIMARILY COASTAL SECTIONS OF SWRN LA TO SERN TX
SHOULD POSE A THREAT FOR ISOLATED DAMAGING WINDS ALONG THE SRN LA
COAST THIS MORNING. WW 27 MAY BE SPATIOTEMPORALLY EXTENDED ACROSS
PARTS OF SWRN LA. A DOWNSTREAM WW IS NOT ANTICIPATED WITHIN THE HOUR
FOR SERN LA...BUT WILL BE MONITORED FOR ONE LATER THIS MORNING.

14Z SURFACE ANALYSIS PLACED 1006 MB CYCLONE AROUND 30 S BPT...WITH
QUASI-STATIONARY WARM FRONT EXTENDING EWD ALONG THE SRN LA COAST.
MODIFIED 12Z LCH RAOB WOULD INFER THAT PORTION OF SQUALL LINE ACROSS
SWRN LA IS ELEVATED WITH MINIMAL SURFACE-BASED INSTABILITY. GIVEN
ORIENTATION EVOLVING FROM A N-S TO MORE OF AN W-E STRUCTURE SUGGEST
DOWNSTREAM DAMAGING WIND THREAT SHOULD REMAIN MARGINAL IN THE
NEAR-TERM.../RECENT OBSERVED GUSTS OF 37 AND 40 KT MEASURED AT KCWF
AND KUXL/. STILL PRESENCE OF 50 KT EFFECTIVE SHEAR MAY POSE AN
ISOLATED RISK FOR DAMAGING WINDS...PRIMARILY ALONG COASTAL SWRN LA.

..GRAMS.. 02/18/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LIX...LCH...HGX...

LAT...LON 28369572 28989563 29599460 29749399 30219322 30579259
30519175 30269110 29869077 29609081 29179102 29089150
29169238 29389350 28369572

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KAPX [181407]: Preliminary Local Storm Report

NWUS53 KAPX 181407
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
907 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0849 AM SNOW TRAVERSE CITY 44.75N 85.60W
02/18/2012 M3.7 INCH GRAND TRAVERSE MI TRAINED SPOTTER

12 HR TOTAL THRU 8 AM.

0906 AM SNOW 3 S SUTTONS BAY 44.94N 85.65W
02/18/2012 M4.5 INCH LEELANAU MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 6 IN.

0906 AM SNOW 6 N AU GRES 44.13N 83.69W
02/18/2012 M3.0 INCH ARENAC MI TRAINED SPOTTER

12 HR TOTAL THRU 9 AM. SNOW DEPTH 3 IN.

&&

$$

SCHWARTZ

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KHGX [181357]: Preliminary Local Storm Report

NWUS54 KHGX 181357
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
757 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0408 AM TSTM WND DMG BELLVILLE 29.95N 96.26W
02/18/2012 AUSTIN TX LAW ENFORCEMENT

TREE DOWN BLOCKING ROAD IN BELLVILLE NEAR HIGHWAY 36.

0430 AM FLASH FLOOD 13 NW BELLVILLE 30.08N 96.41W
02/18/2012 WASHINGTON TX LAW ENFORCEMENT

FM 109 AND OILFIELD ROAD IMPASSABLE.

0450 AM TSTM WND DMG WALLIS 29.63N 96.06W
02/18/2012 AUSTIN TX LAW ENFORCEMENT

TREE DOWN ON BIRCH STREET.

0600 AM FLASH FLOOD 3 NE NAVASOTA 30.42N 96.05W
02/18/2012 GRIMES TX LAW ENFORCEMENT

FM 3090 WAS IMPASSABLE.

&&

$$

KPROCHAZ

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KDTX [181332]: Preliminary Local Storm Report...summary

NWUS53 KDTX 181332
LSRDTX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
831 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0844 PM SNOW BRIDGEPORT 43.38N 83.88W
02/17/2012 M1.7 INCH SAGINAW MI TRAINED SPOTTER

3 HOUR TOTAL

1030 PM SNOW 9 W SAGINAW 43.42N 84.13W
02/17/2012 M1.9 INCH SAGINAW MI TRAINED SPOTTER

...5 HR SNOWFALL TOTAL...

1041 PM SNOW SAGINAW 43.42N 83.95W
02/17/2012 M2.0 INCH SAGINAW MI TRAINED SPOTTER

...5 HR SNOWFALL TOTAL.

1200 AM SNOW MIDLAND 43.62N 84.23W
02/18/2012 M1.8 INCH MIDLAND MI CO-OP OBSERVER

...6 HR SNOWFALL TOTAL...

1200 AM SNOW 3 SW SAGINAW 43.39N 83.99W
02/18/2012 M2.6 INCH SAGINAW MI TRAINED SPOTTER

...6 HOUR SNOW TOTAL...

0430 AM SNOW SAGINAW 43.42N 83.95W
02/18/2012 M3.5 INCH SAGINAW MI TRAINED SPOTTER

...10 HOUR SNOW TOTAL...

0700 AM SNOW YALE 43.13N 82.80W
02/18/2012 M1.8 INCH ST. CLAIR MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

0700 AM SNOW FILION 43.90N 83.00W
02/18/2012 M2.7 INCH HURON MI CO-OP OBSERVER

...12 HR SNOWFALL...

0700 AM SNOW VASSAR 43.37N 83.58W
02/18/2012 M2.1 INCH TUSCOLA MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0700 AM SNOW BAD AXE 43.80N 83.00W
02/18/2012 M3.0 INCH HURON MI CO-OP OBSERVER

...12 HR SNOWFALL...

0700 AM SNOW AUBURN 43.60N 84.08W
02/18/2012 M3.7 INCH BAY MI 911 CALL CENTER

..12 HR SNOWFALL TOTAL...

0700 AM SNOW LEXINGTON 43.27N 82.53W
02/18/2012 M1.5 INCH SANILAC MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0740 AM SNOW 5 W SAGINAW 43.42N 84.05W
02/18/2012 M4.0 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0740 AM SNOW 5 S MERRILL 43.34N 84.34W
02/18/2012 M2.0 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL

&&

$$

DELLIOTT

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KDTX [181330]: Preliminary Local Storm Report...corrected

NWUS53 KDTX 181330
LSRDTX

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
830 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1200 AM SNOW MIDLAND 43.62N 84.23W
02/18/2012 M1.8 INCH MIDLAND MI CO-OP OBSERVER

...6 HR SNOWFALL TOTAL...

&&

$$

DELLIOTT

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KMQT [181326]: Preliminary Local Storm Report

NWUS53 KMQT 181326
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
826 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0700 AM SNOW 4 E SILVER CITY 46.84N 89.48W
02/18/2012 M3.0 INCH ONTONAGON MI CO-OP OBSERVER

24 HOUR TOTAL. 0.17 INCHES OF LIQUID EQUIVALENT.

&&

$$

KLUBER

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KDTX [181325]: Preliminary Local Storm Report...corrected

NWUS53 KDTX 181325
LSRDTX

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
825 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1030 PM SNOW 9 W SAGINAW 43.42N 84.13W
02/17/2012 M1.9 INCH SAGINAW MI TRAINED SPOTTER

...5 HR SNOWFALL TOTAL...

1041 PM SNOW SAGINAW 43.42N 83.95W
02/17/2012 M2.0 INCH SAGINAW MI TRAINED SPOTTER

...5 HR SNOWFALL TOTAL.

&&

$$

DELLIOTT

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KDTX [181316]: Preliminary Local Storm Report

NWUS53 KDTX 181316
LSRDTX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
816 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0700 AM SNOW LEXINGTON 43.27N 82.53W
02/18/2012 M1.5 INCH SANILAC MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0700 AM SNOW YALE 43.13N 82.80W
02/18/2012 M1.8 INCH ST. CLAIR MI CO-OP OBSERVER

...12 HR SNOW TOTAL...

&&

$$

DELLIOTT

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KAPX [181306]: Preliminary Local Storm Report

NWUS53 KAPX 181306
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
805 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0757 AM SNOW 6 SW TRAVERSE CITY 44.69N 85.69W
02/18/2012 E3.0 INCH GRAND TRAVERSE MI PUBLIC

12 HR TOTAL THRU 7 AM.

0804 AM SNOW WILLIAMSBURG 44.77N 85.40W
02/18/2012 M6.2 INCH GRAND TRAVERSE MI TRAINED SPOTTER

12 HR TOTAL THRU 8 AM.

0804 AM SNOW 6 SE MANCELONA 44.84N 84.97W
02/18/2012 M4.0 INCH KALKASKA MI TRAINED SPOTTER

12 HR TOTAL THRU 8 AM. SNOW DEPTH 12 IN.

&&

$$

SCHWARTZ

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KDTX [181255]: Preliminary Local Storm Report

NWUS53 KDTX 181255
LSRDTX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
755 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0700 AM SNOW FILION 43.90N 83.00W
02/18/2012 M2.7 INCH HURON MI CO-OP OBSERVER

...12 HR SNOWFALL...

0700 AM SNOW VASSAR 43.37N 83.58W
02/18/2012 M2.1 INCH TUSCOLA MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0700 AM SNOW BAD AXE 43.80N 83.00W
02/18/2012 M3.0 INCH HURON MI CO-OP OBSERVER

...12 HR SNOWFALL...

0700 AM SNOW MIDLAND 43.62N 84.23W
02/18/2012 M0.0 INCH MIDLAND MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0700 AM SNOW AUBURN 43.60N 84.08W
02/18/2012 M3.7 INCH BAY MI 911 CALL CENTER

..12 HR SNOWFALL TOTAL...

0740 AM SNOW 5 W SAGINAW 43.42N 84.05W
02/18/2012 M4.0 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL...

0740 AM SNOW 5 S MERRILL 43.34N 84.34W
02/18/2012 M2.0 INCH SAGINAW MI CO-OP OBSERVER

...12 HR SNOWFALL TOTAL

&&

$$

DELLIOTT

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KLCH [181253]: Preliminary Local Storm Report

NWUS54 KLCH 181253
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
653 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0641 AM HAIL FORT POLK 31.05N 93.21W
02/18/2012 E0.25 INCH VERNON LA OTHER FEDERAL

WEATHER OBSERVER AT FORT POLK REPORTED PEA SIZE HAIL.

&&

$$

JRUA

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KAPX [181249]: Preliminary Local Storm Report

NWUS53 KAPX 181249
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
749 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0746 AM SNOW LAKE LEELANAU 44.98N 85.72W
02/18/2012 M4.6 INCH LEELANAU MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

0746 AM SNOW 3 NW TRAVERSE CITY 44.79N 85.65W
02/18/2012 M4.0 INCH LEELANAU MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

&&

$$

SCHWARTZ

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KAPX [181237]: Preliminary Local Storm Report

NWUS53 KAPX 181237
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
736 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0647 AM SNOW LOVELLS 44.81N 84.47W
02/18/2012 E3.5 INCH CRAWFORD MI PUBLIC

12 HR TOTAL THRU 6 AM.

0734 AM SNOW 1 S TRAVERSE CITY 44.74N 85.60W
02/18/2012 M7.5 INCH GRAND TRAVERSE MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

0734 AM SNOW 3 SE OMER 44.02N 83.81W
02/18/2012 M3.5 INCH ARENAC MI TRAINED SPOTTER

12 HR TOTAL THRU 7 AM.

&&

$$

SCHWARTZ

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 181233
SWODY1
SPC AC 181231

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0631 AM CST SAT FEB 18 2012

VALID 181300Z - 191200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM SOUTHEAST TX INTO THE
CENTRAL GULF COAST STATES...

SATELLITE LOOPS SHOW A STRONG UPPER TROUGH MOVING ACROSS WEST TX AND
NORTHERN MEXICO. THIS SYSTEM WILL PROGRESS EASTWARD TODAY AND
AFFECT MUCH OF THE WESTERN/CENTRAL GULF COAST REGION. AT THE
SURFACE...A COLD FRONT IS MOVING ACROSS SOUTHEAST TX WHILE A WARM
FRONT LIES JUST OFF THE TX/LA COAST. THE WARM FRONT IS LIKELY TO
DRIFT NORTHWARD TODAY AND BECOME POSITIONED JUST ONSHORE. THIS WILL
LEAVE PARTS OF SOUTHERN LA/MS IN THE WARM SECTOR AND WILL POSE A
THREAT OF A FEW SEVERE STORMS.

A LINE OF STRONG THUNDERSTORMS IS ONGOING THIS MORNING ALONG THE
COLD FRONT OVER SOUTHEAST TX. THESE STORMS HAVE REMAINED SLIGHTLY
ELEVATED WITH ONLY OCCASIONAL STRONG/SEVERE WIND GUSTS BEING
REPORTED. AS THE WARM FRONT MOVES ASHORE LATER TODAY...THE
POTENTIAL FOR SURFACE BASED STORMS WILL INCREASE ACROSS SOUTHERN
LA/MS. MODEL SOLUTIONS SUGGEST LOW LEVEL CYCLOGENESIS WILL OCCUR ON
THE WARM FRONT BY MIDDAY...FURTHER STRENGTHENING LOW LEVEL WINDS AND
AIDING THE RISK OF ORGANIZED/SEVERE STORMS. BOW/LEWP STRUCTURES AND
AN ATTENDANT THREAT OF LOCALLY DAMAGING WINDS APPEAR TO BE THE MAIN
THREAT. HOWEVER...LOW LEVEL VERTICAL SHEAR WILL BECOME SUFFICIENT
FOR A RISK OF A FEW TORNADOES IF A MORE CELLULAR STORM MODE CAN BE
ATTAINED OVER THE WARM SECTOR. STORMS ARE LIKELY TO SPREAD EASTWARD
AND AFFECT PARTS OF AL/SOUTHWEST GA AND THE FL PANHANDLE BY LATE
TONIGHT WITH A CONTINUED RISK OF LOCALLY SEVERE STORMS.

..HART/MOSIER/ROGERS.. 02/18/2012

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KHGX [181132]: Preliminary Local Storm Report

NWUS54 KHGX 181132
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
532 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0513 AM TSTM WND DMG WILLIS 30.42N 95.48W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN ON THE ROAD.

0515 AM TSTM WND DMG THE WOODLANDS 30.16N 95.49W
02/18/2012 MONTGOMERY TX LAW ENFORCEMENT

TREES DOWN.

&&

$$

KPROCHAZ

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KEWX [181112]: Preliminary Local Storm Report

NWUS54 KEWX 181112
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
512 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0104 AM HAIL 4 NE HOLLYWOOD PARK 29.64N 98.43W
02/18/2012 E0.25 INCH BEXAR TX NWS EMPLOYEE

2 MIN DURATION

&&

EVENT NUMBER EWX1200097

$$

JPB

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WATCHES: Severe Thunderstorm Watch Number 27

WWUS20 KWNS 181046
SEL7
SPC WW 181046
LAZ000-TXZ000-CWZ000-181500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 27
NWS STORM PREDICTION CENTER NORMAN OK
450 AM CST SAT FEB 18 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

SOUTHWEST LOUISIANA
SOUTHEAST TEXAS
COASTAL WATERS

EFFECTIVE THIS SATURDAY MORNING FROM 450 AM UNTIL 900 AM CST.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF PORT
ARTHUR TEXAS TO 25 MILES EAST SOUTHEAST OF PALACIOS TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...A LINE OF INTENSE THUNDERSTORMS HAS DEVELOPED
ALONG/AHEAD OF SURFACE COLD FRONT SURGING EASTWARD ACROSS SOUTHEAST
TX. THE SURFACE AIR MASS AHEAD OF THE STORMS IS ONLY MARGINALLY
UNSTABLE AT BEST. HOWEVER...INCREASING MESOSCALE ORGANIZATION OF
THE LINE SUGGESTS SOME POTENTIAL OF DAMAGING WIND GUSTS REACHING THE
SURFACE. OTHERWISE...HAIL WILL ALSO BE POSSIBLE IN THE STRONGER
CELLS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25040.

...HART

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MESO: Mesoscale Discussion 0123

ACUS11 KWNS 181035
SWOMCD
SPC MCD 181035
LAZ000-TXZ000-181130-

MESOSCALE DISCUSSION 0123
NWS STORM PREDICTION CENTER NORMAN OK
0435 AM CST SAT FEB 18 2012

AREAS AFFECTED...SERN TX

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 181035Z - 181130Z

STORMS WILL CONTINUE TO AFFECT SERN TX AND EVENTUALLY SWRN LA LATER
THIS MORNING. A FEW STRONG TO SEVERE WIND GUSTS MAY OCCUR.

STORMS HAVE CONSOLIDATED ACROSS SERN TX ON SURGING OUTFLOW/COLD
FRONT COMPOSITE BOUNDARY. AHEAD OF THIS LINE...WARM ADVECTION
CONVECTION WAS SHIFTING NWD OVER SERN TX INTO WRN LA. THIS
CONVECTION IS A GOOD PROXY FOR THE WARM FRONT...WHICH MAY BE
SLIGHTLY ELEVATED. SURFACE OBSERVATIONS SHOW TEMPERATURES IN THE 60S
S OF THIS BOUNDARY...WITH SIMILAR DEWPOINTS. FORECAST SOUNDINGS
INDICATE THAT DESPITE COOL TEMPERATURES...LITTLE CAPPING
EXISTS...ESPECIALLY IN VICINITY OF THE FORCED LINE OF STORMS.
FURTHER...THERE MAY BE POTENTIAL FOR DOWNWARD MOMENTUM TRANSFER AND
WITH LONG HODOGRAPHS IN PLACE...THIS ACTIVITY MAY PERSIST FOR
SEVERAL HOURS. GIVEN THE MARGINAL BOUNDARY LAYER THOUGH...SEVERE
THREAT IS NOT EXPECTED TO BE WIDESPREAD.

OTHER CELLS WERE DEVELOPING FARTHER S AS WELL ALONG THE COLD FRONT.
CAPPING IS A PROBLEM FROM CRP TO BRO...BUT IT IS POSSIBLE THAT DEEP
FORCING ALONG THE FRONT COULD EVENTUALLY OVERCOME THE
INVERSION...WITH A FEW STORMS DEVELOPING NEAR THE COAST BEFORE
QUICKLY MOVING OFFSHORE. THESE STORMS MAY PRODUCE HAIL IF THEY
REMAIN CELLULAR.

..JEWELL.. 02/18/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LCH...HGX...CRP...EWX...BRO...

LAT...LON 27479693 27029750 27209798 27559803 28679728 29809640
30569592 30789503 30619355 30149232 29839211 29419244
29519334 29429401 28819533 28319617 27849674 27479693

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KEWX [181022]: Preliminary Local Storm Report

NWUS54 KEWX 181022
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
421 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0150 AM FLASH FLOOD LLANO 30.75N 98.67W
02/18/2012 LLANO TX LAW ENFORCEMENT

ROAD CLOSURES DUE TO HIGH WATER... WEST SANDSTONE RD...
RR 2323 3 MI SOUTHWEST OF LLANO

&&

EVENT NUMBER EWX1200096

$$

JPB

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KEWX [181010]: Preliminary Local Storm Report

NWUS54 KEWX 181010
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
410 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0315 AM FLASH FLOOD AUSTIN 30.31N 97.75W
02/18/2012 TRAVIS TX EMERGENCY MNGR

NUMEROUS ROAD CLOSURES DUE TO HIGH WATER. 5200 BLK OF
JOE TANNER...5000 BLK OF WASSON RD... 6800 BLK OLD BEE
CAVES RD... 10000 BLK DAVID MOORE DR.

&&

EVENT NUMBER EWX1200095

$$

JPB

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KAPX [181007]: Preliminary Local Storm Report

NWUS53 KAPX 181007
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
507 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0501 AM SNOW WILLIAMSBURG 44.77N 85.40W
02/18/2012 M5.2 INCH GRAND TRAVERSE MI TRAINED SPOTTER

12 HR TOTAL THRU 5 AM.

&&

$$

SCHWARTZ

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 180904
SWOD48
SPC AC 180904

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0304 AM CST SAT FEB 18 2012

VALID 211200Z - 261200Z

...DISCUSSION...

ECMWF...GFS AND ECMWF ENSEMBLE MEMBERS INDICATE SIMILAR SOLUTIONS
AND EVOLVE A BROAD TROUGH OVER THE ERN U.S. THAT PERSISTS THROUGH AT
LEAST DAY 6. THIS PATTERN WILL GENERALLY BE UNFAVORABLE FOR A
SIGNIFICANT RETURN OF LOW LEVEL MOISTURE EXCEPT POSSIBLY ALONG THE
GULF COASTAL AREA AND FL. AT LEAST A MODEST SEVERE THREAT CANNOT BE
RULED OUT ALONG THE CNTRL/ERN GULF COASTS AND NRN FL LATE DAY 5 AND
AGAIN DAY 7 AS WSWLY LLJ STRENGTHENS IN RESPONSE TO PERTURBATIONS
WITHIN BASE OF BROADER TROUGH. HOWEVER...INSTABILITY ONSHORE WILL
LIKELY REMAIN LIMITED WHICH LOWERS OVERALL CONFIDENCE IN A GREATER
COVERAGE SEVERE EVENT AT THIS TIME.

..DIAL.. 02/18/2012

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KEWX [180749]: Preliminary Local Storm Report

NWUS54 KEWX 180749
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
149 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0148 AM FLASH FLOOD 2 N TERRELL HILLS 29.51N 98.45W
02/18/2012 BEXAR TX DEPT OF HIGHWAYS

CAVE LANE AND KENILWORTH CLOSED DUE TO FLOODING.

&&

EVENT NUMBER EWX1200094

$$

CJM

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KEWX [180736]: Preliminary Local Storm Report

NWUS54 KEWX 180736
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
136 AM CST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0124 AM HAIL CIBOLO 29.57N 98.23W
02/18/2012 E0.25 INCH GUADALUPE TX PUBLIC

MEDIA RELAYED REPORT OF PEA SIZE HAIL IN CIBOLO.

&&

EVENT NUMBER EWX1200093

$$

CJM

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 180735
SWODY3
SPC AC 180733

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0133 AM CST SAT FEB 18 2012

VALID 201200Z - 211200Z

...SYNOPSIS...

PROGRESSIVE AND MODERATELY AMPLIFIED SYNOPTIC PATTERN WILL PREVAIL
MONDAY WITH LOOSE PHASING BETWEEN SRN AND NRN STREAMS. CONSENSUS
AMONG GFS AND ECMWF IS THAT ANOTHER IN SERIES OF SHORTWAVE TROUGHS
WILL FOLLOW CLOSELY ON THE HEELS OF IMPULSE NOW OVER NRN MEXICO AS
IT EXITS THE ERN SEABOARD BY EARLY MONDAY. THE UPSTREAM TROUGH WILL
LIKELY MOVE THROUGH THE CNTRL/SRN PLAINS MONDAY BEFORE EJECTING INTO
THE MID MS AND OH VALLEYS OVERNIGHT. PREFER SPECTRAL MODELS OVER THE
MUCH SLOWER NAM SOLUTIONS.

...ERN OK AND ERN KS THROUGH THE LOWER-MID MS VALLEY...

GIVEN LIKELY INTRUSION OF CP AIR INTO THE GULF SUNDAY AND THE SHORT
WAVELENGTH BETWEEN THE TROUGH EXITING THE ERN SEABOARD AND UPSTREAM
WAVE THAT WILL MOVE THROUGH THE PLAINS ON MONDAY...INSUFFICIENT TIME
WILL EXIST FOR SIGNIFICANT RETURN OF LOW LEVEL MOISTURE.
STRENGTHENING LLJ ASSOCIATED WITH DEVELOPING LEE LOW WILL RESULT IN
40S DEWPOINTS ADVECTING NWD THROUGH PRE-FRONTAL WARM SECTOR BENEATH
STEEPER MID LEVEL LAPSE RATES ACCOMPANYING THE UPPER TROUGH. GIVEN
THE MEAGER LOW LEVEL MOISTURE...MUCAPE WILL REMAIN AOB 300 J/KG.
SHALLOW CONVECTION MAY DEVELOP WITHIN ZONE OF FRONTAL CONVERGENCE
AND UPPER DIVERGENCE WITHIN PROGRESSIVE UPPER JET EXIT REGION FROM
ERN OK AND KS INTO THE MID MS VALLEY MONDAY AFTERNOON AND EVENING.
DESPITE A FAVORABLE KINEMATIC ENVIRONMENT...SEVERE POTENTIAL WILL
REMAIN LOW DUE TO SCANT INSTABILITY.

..DIAL.. 02/18/2012

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 180626
SWODY2
SPC AC 180625

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1225 AM CST SAT FEB 18 2012

VALID 191200Z - 201200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM PORTIONS OF ERN SC...SRN
GA THROUGH NRN AND CNTRL FL...

...SYNOPSIS...

SRN STREAM SHORTWAVE TROUGH EXTENDING FROM WRN TX THROUGH NWRN
MEXICO AS OF LATE FRIDAY EVENING WILL ADVANCE TO THE CNTRL GULF
COAST STATES EARLY SUNDAY BEFORE MOVING OFF THE SERN ATLANTIC
SEABOARD BY EVENING. SURFACE LOW INITIALLY OVER CNTRL AL SUNDAY
MORNING WILL LIKELY WEAKEN AS IT DEVELOPS TOWARD THE MORE STABLE
REGIME ACROSS THE SRN APPALACHIANS...WHILE SECONDARY CYCLOGENESIS
COMMENCES NEAR THE SC/NC COAST AS UPPER DIVERGENCE ACCOMPANYING THE
TROUGH BEGINS TO OVERTAKE THE BAROCLINIC ZONE LOCATED OVER THE GULF
STREAM. COLD FRONT EXTENDING SWD FROM THE INITIAL LOW WILL ADVANCE
THROUGH REMAINDER OF GA...SRN SC AND FL WHILE A WARM FRONT LIFTS NWD
INTO THE NRN GULF STREAM AS THE CYCLONE DEEPENS OFF THE NC COAST.

...NRN FL THROUGH COASTAL GA AND SC...

STORMS WILL CONTINUE THROUGH PRE-FRONTAL WARM SECTOR ALONG WARM
CONVEYOR BELT FROM PORTIONS OF SRN GA...SC AND NRN FL SUNDAY WHERE A
STRONG LLJ WILL HAVE ADVECTED MID 60S DEWPOINTS INLAND. THIS
ENVIRONMENT WILL BE CHARACTERIZED BY LARGE 0-1 KM HODOGRAPHS AND
STRONG CLOUD LAYER SHEAR BUT WITH GENERALLY WEAK INSTABILITY WHICH
MAY SERVE AS A LIMITING FACTOR FOR A MORE ROBUST SEVERE EVENT.
NEVERTHELESS...GIVEN THE FAVORABLE KINEMATIC ENVIRONMENT AND 50-60
KT FLOW WITHIN 1 KM OF THE SURFACE...POTENTIAL WILL EXIST FOR A FEW
STORMS TO PRODUCE ISOLATED DAMAGING WIND GUSTS AND PERHAPS A TORNADO
OR TWO AS THEY DEVELOP EWD. A MODEST THREAT WILL ALSO EXIST FOR
STRONG CONVECTION IN WAKE OF INITIAL ACTIVITY WITHIN DRY SLOT REGION
ALONG AND JUST AHEAD OF COLD FRONT WHERE AT LEAST MODEST DIABATIC
HEATING AND SOMEWHAT GREATER LAPSE RATES MAY RESULT IN A SLIGHTLY
MORE FAVORABLE THERMODYNAMIC ENVIRONMENT.

HIGHER BOUNDARY LAYER DEWPOINTS AND GREATER LIKELIHOOD OF DIABATIC
WARMING SHOULD CONTRIBUTE TO GREATER INSTABILITY TOWARD CNTRL FL
WHERE MLCAPE COULD APPROACH 1000 J/KG. CYCLOGENESIS OFF NC COAST
WILL RESULT IN VEERING PRE-FRONTAL WINDS WHICH ALONG WITH LIMITED
DEEP FORCING FOR ASCENT MAY RESULT TO A LESS FAVORABLE ENVIRONMENT
FOR THUNDERSTORMS WITH SWD EXTENT INTO FL AS MID LEVEL DRY SLOT
ADVECTS EWD. HOWEVER...ANY STORMS THAT DEVELOP WILL POSE A SEVERE
RISK GIVEN STRENGTH OF DEEP LAYER FLOW/SHEAR. SEVERE THREAT SHOULD
DIMINISH BY MID TO LATE AFTERNOON.

..DIAL.. 02/18/2012

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 180558
SWODY1
SPC AC 180556

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1156 PM CST FRI FEB 17 2012

VALID 181200Z - 191200Z

...THERE IS A SLGT RISK OF SVR TSTMS PORTIONS SE TX TO SWRN GA....

...SYNOPSIS...
HEIGHTS ALOFT ARE FCST TO FALL OVER MOST OF WRN CONUS AS
SYNOPTIC-SCALE TROUGHING DEVELOPS THERE. STG MID-UPPER LEVEL
SHORTWAVE TROUGH -- NOW EVIDENT IN MOISTURE CHANNEL IMAGERY FROM
S-CENTRAL NM AND FAR W TX SWD ACROSS NWRN MEX -- IS EXPECTED TO
ACCELERATE ENEWD THIS PERIOD. BY 19/00Z...TROUGH SHOULD BE LOCATED
CLOSE TO I-35 IN TX...WITH SECONDARY/NRN STREAM PERTURBATION FARTHER
N OVER CENTRAL/ERN NEB AND NRN KS. DURING LATTER HALF OF
PERIOD...CENTRAL PLAINS PERTURBATION SHOULD MOVE SEWD OVER LOWER MO
VALLEY...WHILE SRN-STREAM SHORTWAVE TROUGH ACCELERATES AND
DEAMPLIFIES...REACHING PORTIONS MS/AL.

AT SFC...LEE-SIDE CYCLONE IS DEVELOPING OVER DEEP S TX/LOWER RIO
GRANDE VALLEY REGION ATTM...WITH APCH OF MID-UPPER WAVE. THIS
CYCLONE IS FCST TO DEEPEN THROUGH MOST OF PERIOD. LOW SHOULD CROSS
EXTREME SE TX/SWRN LA COASTAL AREAS AROUND 19/00Z...AT WHICH TIME
COLD FRONT SHOULD ARC SEWD OFFSHORE LA COAST...WITH WARM FRONT EWD
CLOSE TO MS/AL COAST. WARM FRONT SHOULD MOVE INLAND
OVERNIGHT...OVER PORTIONS SRN AL AND SRN GA. NOCTURNAL AIR MASS S
OF WARM FRONT OVER S-CENTRAL/SERN GA WILL BE RELATIVELY DEPRIVED OF
HIGHER THETAE FOUND FARTHER W...BECAUSE OF OVERLAND TRAJECTORIES
FROM FL. MEANWHILE SFC CYCLONE SHOULD MOVE TO CENTRAL AL BY END OF
PERIOD...ITS INLAND COMPONENT OF MOTION LIKELY OUTPACING THAT OF
FAVORABLE GULF AIR MASS FARTHER SE ACROSS SERN AL...FL PANHANDLE AND
SWRN GA.

...PORTIONS GULF-COAST STATES AND SWRN GA...
AS SO OFTEN HAPPENS FOR COOL-SEASON/GULF-COAST
SCENARIOS...LOW-CAPE/STRONG-SHEAR SVR EVENT IS FCST. PREDOMINANT
MODE SHOULD BE QUASI-LINEAR ALONG/AHEAD OF SFC COLD FRONT...ALTHOUGH
DISCRETE OR CLUSTERED SUPERCELLS MAY FORM AHEAD OF PRIMARY
CONVECTIVE BAND. DAMAGING GUSTS SHOULD BE MOST COMMON SVR
EVENT...WITH ISOLATED INSTANCES OF SVR HAIL AND A FEW TORNADOES
POSSIBLE.

INLAND PENETRATION OF WARM FRONT WILL BE MITIGATED BY PRESENCE OF
ABUNDANT CLOUDS/PRECIP TO ITS N...THEREFORE...THERE STILL IS
CONSIDERABLE UNCERTAINTY HOW FAR INLAND TO PROG FAVORABLE THETAE FOR
SFC-BASED EFFECTIVE PARCELS. AS SUCH...UNCONDITIONAL SVR
PROBABILITIES DIMINISH WITH NWD/NEWD EXTENT...AND ARE SHUNTED
SWD/SWWD COMPARED TO PREVIOUS OUTLOOKS VALID THIS PERIOD. STG-SVR
TSTMS MAY BE ONGOING ON EITHER SIDE OF WARM FRONT/SFC LOW EARLY IN
PERIOD OVER SE TX...WITH MULTIPLE CONVECTIVE EPISODES POSSIBLE AS
REGIME SHIFTS EWD ACROSS GULF-COAST CORRIDOR.

EVENING/OVERNIGHT WARM SECTOR NEAR CENTRAL-ERN GULF COAST SHOULD BE
CHARACTERIZED BY DEW POINTS MID-UPPER 60S F...OFFSETTING WEAK LAPSE
RATES ALOFT TO YIELD 500-1000 J/KG MLCAPE NEAR COAST..WEAKENING
MARKEDLY INLAND. 45-55 KT EFFECTIVE SHEAR MAGNITUDES AND 300-500
J/KG EFFECTIVE SRH...ALONG AND S OF WARM FRONT...WILL SUPPORT
CONDITIONAL SUPERCELL POTENTIAL IN WARM SECTOR...COVERAGE BEING MAIN
QUESTION. BOWS AND PERHAPS EMBEDDED SUPERCELLS ARE POSSIBLE WITHIN
MAIN CONVECTIVE BAND...WHERE RELATIVELY VEERED FLOW WILL RENDER WIND
PROFILES MORE UNIDIRECTIONAL THAN FARTHER E.

..EDWARDS/DEAN.. 02/18/2012

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KGRR [180556]: Preliminary Local Storm Report

NWUS53 KGRR 180556
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1256 AM EST SAT FEB 18 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0915 PM SNOW 5 ENE HUDSONVILLE 42.90N 85.77W
02/17/2012 M1.1 INCH KENT MI NWS EMPLOYEE

THERE WAS 1.0 INCHES OF SNOW BETWEEN 3 PM AND 6 PM THEN
ANOTHER 0.1 INCHES FELL BETWEEN 8 PM AND 9 PM.

&&

$$

BMARINO

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KDLH [180550]: Preliminary Local Storm Report

NWUS53 KDLH 180550
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1150 PM CST FRI FEB 17 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0250 PM SNOW 4 E CORNUCOPIA 46.86N 91.02W
02/17/2012 M3.2 INCH BAYFIELD WI TRAINED SPOTTER

&&

$$

RS

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MESO: Mesoscale Discussion 0122

ACUS11 KWNS 180515
SWOMCD
SPC MCD 180515
TXZ000-180645-

MESOSCALE DISCUSSION 0122
NWS STORM PREDICTION CENTER NORMAN OK
1115 PM CST FRI FEB 17 2012

AREAS AFFECTED...CENTRAL TX /INCLUDING TX HILL COUNTRY/ ENE TO PARTS
OF E TX

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 180515Z - 180645Z

TSTMS WILL CONTINUE TO INCREASE IN AREAL COVERAGE ACROSS MUCH OF
CENTRAL TX /INCLUDING THE HILL COUNTRY/ ENEWD INTO PARTS OF E TX
INTO THE OVERNIGHT PERIOD. ISOLATED SEVERE HAIL /AOA 1 INCH
DIAMETER/ WILL BE POSSIBLE IN THE STRONGER SUSTAINED UPDRAFTS DURING
THE NEXT FEW HOURS...BUT OVERALL THREAT COVERAGE IS EXPECTED TO
REMAIN TOO LOW WITH NWD EXTENT TO WARRANT THE ISSUANCE OF A WW AT
THIS TIME. HOWEVER...FARTHER S...A FURTHER INCREASE IN STORM
INTENSITIES/COVERAGE WITH ACTIVITY FROM MAVERICK-MEDINA COUNTIES MAY
PROMPT THE NEED FOR A WATCH ALONG AND JUST N OF THE 01Z SLIGHT RISK
AREA.

MID-LATE EVENING SURFACE ANALYSES SHOWED A WARM FRONT HAD MOVED NWD
A ROW OF COUNTIES IN DEEP S TX SINCE 00Z...WITH THE NEW POSITION
EXTENDING FROM ZAPATA TO KLEBERG COUNTIES...AND EWD INTO THE WRN
GULF OF MEXICO. WSR-88D VADS AND WIND PROFILER DATA INDICATED A
25-30 KT SLY LLJ EXTENDING FROM BRO TO SAT RESULTING IN WAA ATOP A
STABLE BOUNDARY LAYER. MEANWHILE...REGIONAL RADAR IMAGERY SHOWED
CLUSTERS OF TSTMS EXTENDING FROM LLANO COUNTY W/SWWD TO VAL VERDE
AND MAVERICK COUNTIES. THIS ACTIVITY LIKELY IS ATTENDANT TO
STRONGER LARGE SCALE ASCENT BEGINNING TO SPREAD ACROSS TX WITH THE
APPROACH OF NRN MEXICO SHORTWAVE TROUGH. ADDITIONAL EPISODIC
STRONGER STORMS WERE ALSO NOTED PRIMARILY WITHIN THE NERN EXTENT OF
THE WAA REGIME INVOF CLL.

CURRENT THINKING SUGGESTS ADDITIONAL SUSTAINED ELEVATED UPDRAFTS
/SIMILAR TO THE AFOREMENTIONED ACTIVITY OVER AND NE OF THE TX HILL
COUNTRY/ WILL DEVELOP INTO THE EARLY OVERNIGHT. EFFECTIVE BULK
SHEAR ALREADY RANGING FROM 40-65 KT AND MUCAPE 500-1500 J/KG SHOULD
SUPPORT AN ISOLATED HAIL THREAT. GREATER SEVERE WEATHER THREAT MAY
DEVELOP AFTER MIDNIGHT AS STRONGER HEIGHT FALLS SPREAD INTO
CENTRAL/S TX AHEAD OF THE UPSTREAM TROUGH...WITH THE EVENTUAL NEED
FOR A WW ACROSS THE SWRN-SRN EXTENT OF THE DISCUSSION AREA.

..PETERS.. 02/18/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...SHV...HGX...FWD...CRP...EWX...SJT...

LAT...LON 29909497 28989707 28539800 28149933 28129995 28580032
29850078 30750014 31289854 31899528 31129487 29909497

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