KSEW [190451]: Preliminary Local Storm Report

NWUS56 KSEW 190451
LSRSEW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
851 PM PST WED NOV 18 2009

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

0745 PM NON-TSTM WND GST 5 S ANACORTES 48.42N 122.63W
11/18/2009 M57.00 MPH SKAGIT WA PUBLIC

GUST TO 57 MPH ON SOUTH FIDALGO ISLAND.

0821 PM NON-TSTM WND GST 2 WNW ANACORTES 48.50N 122.66W
11/18/2009 M55.00 MPH SKAGIT WA TRAINED SPOTTER

SUSTAINED MID 20S, GUST 55 MPH OUT OF THE SOUTH.

&&

$$

DDAMICO

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KILX [190446]: Preliminary Local Storm Report

NWUS53 KILX 190446
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1046 PM CST WED NOV 18 2009

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

1043 PM HEAVY RAIN NEWMAN 39.80N 87.99W
11/18/2009 M3.58 INCH DOUGLAS IL MESONET

STORM TOTAL RAINFALL...SWOP REPORT

&&

$$

DPK

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KILX [190345]: Preliminary Local Storm Report

NWUS53 KILX 190345
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
945 PM CST WED NOV 18 2009

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

0940 PM HEAVY RAIN RANTOUL 40.30N 88.16W
11/18/2009 M2.15 INCH CHAMPAIGN IL MESONET

STORM TOTAL RAINFALL SINCE SUNDAY...SWOP REPORT

&&

$$

DPK

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KILX [190211]: Preliminary Local Storm Report

NWUS53 KILX 190211
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
811 PM CST WED NOV 18 2009

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

0800 PM HEAVY RAIN 3 S GREENVIEW 40.04N 89.74W
11/18/2009 M2.94 INCH MENARD IL MESONET

STORM TOTAL RAINFALL...SWOP REPORT

&&

$$

DPK

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 190043
SWODY1
SPC AC 190041

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0641 PM CST WED NOV 18 2009

VALID 190100Z - 191200Z

...NO SVR TSTM AREAS FORECAST...

...NC COAST TO THE OH VALLEY...

STRONGEST LOW LEVEL WARM ADVECTION WILL REMAIN FOCUSED ACROSS THE OH
VALLEY WHERE LLJ ON THE ORDER OF 40-45KT SHOULD PERSIST. BUOYANCY
IS EXTREMELY LIMITED ACROSS THIS REGION BUT APPARENTLY ADEQUATE FOR
AT LEAST ISOLATED THUNDERSTORMS...PER RECENT LIGHTNING ACTIVITY OVER
SERN OH. EVEN SO...MOST CONVECTION WILL REMAIN LIGHTNING-FREE
ACROSS THE OH VALLEY.

FARTHER SOUTHEAST...DEEPER UPDRAFTS/THUNDERSTORMS WILL CONTINUE TO
DEVELOP JUST OFFSHORE OVER THE WARMER WATERS OF GULF STREAM. IN THE
ABSENCE OF STRONGER FORCING...ELEVATED INSTABILITY ATOP COOLER
AIRMASS WEDGED EAST OF THE APPALACHIANS MAY BE INADEQUATE TO SUPPORT
MORE THAN ISOLATED STORMS INLAND.

..DARROW.. 11/19/2009

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KILX [190012]: Preliminary Local Storm Report

NWUS53 KILX 190012
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
612 PM CST WED NOV 18 2009

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

0608 PM HEAVY RAIN MONTICELLO 40.03N 88.57W
11/18/2009 M3.01 INCH PIATT IL MESONET

STORM TOTAL RAINFALL SINCE SUNDAY MORNING

&&

$$

DPK

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KILX [190009]: Preliminary Local Storm Report

NWUS53 KILX 190009
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
609 PM CST WED NOV 18 2009

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

0556 PM HEAVY RAIN 8 E PETERSBURG 40.01N 89.70W
11/18/2009 M2.78 INCH MENARD IL MESONET

STORM TOTAL SINCE 9AM 11/15...SWOP REPORT

&&

$$

DPK

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KILX [182335]: Preliminary Local Storm Report

NWUS53 KILX 182335
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
535 PM CST WED NOV 18 2009

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

0532 PM HEAVY RAIN 3 S CHESTNUT 40.02N 89.20W
11/18/2009 M2.72 INCH LOGAN IL MESONET

STORM TOTAL RAINFALL SO FAR...SWOP REPORT

&&

$$

DPK

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KLSX [182330]: Preliminary Local Storm Report

NWUS53 KLSX 182330
LSRLSX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
530 PM CST WED NOV 18 2009

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

0528 PM HEAVY RAIN WENTZVILLE 38.81N 90.86W
11/18/2009 E3.70 INCH ST. CHARLES MO TRAINED SPOTTER

STORM TOTAL RAINFALL.

&&

EVENT NUMBER LSX0900387

$$

TES

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KMFR [182256]: Preliminary Local Storm Report

NWUS56 KMFR 182256
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
256 PM PST WED NOV 18 2009

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

0900 PM NON-TSTM WND DMG GOLD BEACH 42.41N 124.42W
11/17/2009 CURRY OR UTILITY COMPANY

30 INDIVIDUAL OUTAGES RANGING FROM ONE TO 100 HOMES
WITHOUT POWER PER OUTAGE FROM BROOKINGS TO COOS BAY.
RELATED BY COOS CURRY ELECTRIC.

&&

$$

SVEN

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KMFR [182217]: Preliminary Local Storm Report

NWUS56 KMFR 182217
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
217 PM PST WED NOV 18 2009

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

0900 PM NON-TSTM WND DMG BANDON 43.12N 124.42W
11/17/2009 COOS OR UTILITY COMPANY

TREES TOPPLES ONTO POWER LINES...RESULTING IN POWER
OUTAGES TO 250 HOMES.

&&

$$

SVEN

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KMFR [182120]: Preliminary Local Storm Report

NWUS56 KMFR 182120
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
120 PM PST WED NOV 18 2009

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

1235 PM NON-TSTM WND DMG COQUILLE 43.18N 124.18W
11/17/2009 COOS OR UTILITY COMPANY

TREES BLOWN OVER ONTO POWER LINES. 3,500 HOME WITHOUT
POWER UNTIL AROUND 654 AM.

&&

$$

SVEN

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KILX [182013]: Preliminary Local Storm Report

NWUS53 KILX 182013
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
213 PM CST WED NOV 18 2009

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

0207 PM HEAVY RAIN MANITO 40.42N 89.78W
11/18/2009 M2.44 INCH MASON IL MESONET

STORM TOTAL RAINFALL...SWOP REPORT

&&

$$

DPK

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 181941
SWODY1
SPC AC 181939

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0139 PM CST WED NOV 18 2009

VALID 182000Z - 191200Z

...NO SVR TSTM AREAS FORECAST...

...CAROLINAS THROUGH MID ATLANTIC AND OH VALLEY...

SHALLOW CONVECTION CONTINUES DEVELOPING WITHIN BROAD ZONE OF ASCENT
ALONG WARM CONVEYOR BELT THAT EXTENDS FROM NC THROUGH THE CNTRL
APPALACHIANS INTO THE OH VALLEY. WEDGE OF COOLER AIR ASSOCIATED WITH
SWRN EXTENSION OF NERN U.S. SURFACE RIDGE WILL REMAIN IN PLACE.
HOWEVER...A SMALL MOIST WARM SECTOR WILL LIKELY MOVE INTO COASTAL NC
TONIGHT. FORECAST SOUNDING DATA SHOW MEAGER CAPE...BUT INSTABILITY
WILL LIKELY UNDERGO A MODEST INCREASE WITH TIME AS HIGHER THETA-E
AIR FROM THE WRN ATLANTIC ADVECTS NWWD ABOVE THE STABLE SURFACE
LAYER. POTENTIAL FOR A FEW LIGHTNING STRIKES SHOULD INCREASE THIS
EVENING AND OVERNIGHT AS THE ATMOSPHERE DESTABILIZES...BUT OVERALL
COVERAGE WILL REMAIN SOMEWHAT LIMITED INLAND DUE TO THE MARGINAL
THERMODYNAMIC ENVIRONMENT.

..DIAL/COOK.. 11/18/2009

.PREV DISCUSSION... /ISSUED 1023 AM CST WED NOV 18 2009/

...SYNOPSIS...
A MID LEVEL CLOSED LOW POSITIONED OVER THE STL AREA AT 12Z IS
FORECAST TO LIFT NWD THROUGH THE DAY IN RESPONSE TO A S/W TROUGH
EMERGING OUT OF THE PAC NW. AT THE SURFACE...AN OCCLUDED FRONT WAS
LOCATED FROM GA NWD INTO THE MID OH VALLEY REGION...AND THEN W
ACROSS IL/IND TOWARD A LOW PRESSURE CENTER OVER ERN MO. E OF THE
OCCLUDED FRONT...A HIGH PRESSURE CENTER OVER NEW ENGLAND EXTENDED
S-SWD TOWARD SC...WHICH WAS MAINTAINING A COOL BUT MOIST LOW LEVEL
AIRMASS ACROSS THE REGION.

...UPPER OH RIVER VALLEY...
AS THE UPPER LOW BEGINS TO LIFT NWD THROUGH THE NIGHT...LARGE SCALE
FORCING FOR ASCENT AND LOW LEVEL MASS FIELDS ARE EXPECTED TO
INCREASE...WITH AN EWD SURGE IN THE OCCLUDED FRONT FORECAST TO OCCUR
OVER THE UPPER OH RIVER VALLEY REGION. INCREASING MOISTURE TRANSPORT
ABOVE A COOL/STABLE SURFACE AIRMASS OCCURRING IN CONJUNCTION WITH
STEEPENING MID LEVEL LAPSE RATES WILL RESULT IN A FAVORABLE
ENVIRONMENT FOR THUNDERSTORM DEVELOPMENT LATE THIS AFTERNOON THROUGH
THE OVERNIGHT PERIOD. HOWEVER...ELEVATED INSTABILITY AND EFFECTIVE
BULK SHEAR VALUES APPEAR TO BE TOO WEAK TO SUPPORT A SEVERE WEATHER
THREAT.

...APPALACHIAN MTNS SWD INTO THE CAROLINA COASTAL PLAIN...
A WEDGE FRONT EXTENDS EWD FROM THE OCCLUDED FRONT OVER GA TO A
LOCATION ALONG THE SC/NC COAST. VISIBLE SATELLITE IMAGERY REVEALS
WIDESPREAD STRATUS PRESENT N OF THE WEDGE FRONT...WHICH WILL IMPEDE
SURFACE BASED DESTABILIZATION THROUGH THE DAY. HOWEVER...NWD
TRANSPORT OF MOISTURE ABOVE THE STABLE SURFACE AIRMASS WILL FAVOR
SHOWERS AND ISOLATED THUNDERSTORM DEVELOPMENT THROUGH THE
AFTERNOON/EVENING. AS THE LARGE SCALE PATTERN BECOMES MORE
PROGRESSIVE TONIGHT...MODEL GUIDANCE INDICATES THE WEDGE/COASTAL
FRONT WILL ATTEMPT TO LIFT NWD THROUGH NC. FORECAST SOUNDINGS
INDICATE THAT LOW LEVEL SHEAR PROFILES WILL BE FAVORABLE FOR UPDRAFT
ROTATION. HOWEVER...A SHALLOW STABLE LAYER CONTINUES TO BE
DEPICTED...WHICH WILL PRECLUDE THE INTRODUCTION OF A TWO PERCENT
TORNADO AREA AT THIS TIME.

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KPQR [181803]: Preliminary Local Storm Report

NWUS56 KPQR 181803
LSRPQR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1003 AM PST WED NOV 18 2009

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

1000 PM NON-TSTM WND DMG OREGON CITY 45.34N 122.60W
11/16/2009 CLACKAMAS OR BROADCAST MEDIA

POWER OUTAGE IN THE CITY.

1000 PM NON-TSTM WND DMG KALAMA 46.01N 122.84W
11/16/2009 COWLITZ WA BROADCAST MEDIA

POWER OUTAGE IN THE CITY.

1000 PM NON-TSTM WND DMG CLACKAMAS 45.41N 122.55W
11/16/2009 CLACKAMAS OR BROADCAST MEDIA

FROM 10 PM THROUGH 11 PM PST, 1,700 HOMES IMPACTED BY
POWER OUTAGE IN THE COUNTY.

1000 PM NON-TSTM WND DMG 4 NNW NEWPORT 44.68N 124.07W
11/16/2009 LINCOLN OR TRAINED SPOTTER

SIDING ON RESIDENTIAL HOMES DAMAGED.

1000 PM NON-TSTM WND DMG SEASIDE 45.99N 123.92W
11/16/2009 CLATSOP OR BROADCAST MEDIA

POWER OUTAGE IN THE CITY.

1000 PM NON-TSTM WND DMG FOREST GROVE 45.52N 123.10W
11/16/2009 WASHINGTON OR BROADCAST MEDIA

POWER OUTAGE IN THE CITY.

0900 PM NON-TSTM WND DMG NE PORTLAND AIRPORT 45.59N 122.60W
11/16/2009 MULTNOMAH OR UNKNOWN

TREES DOWN ON RESIDENTIAL HOME LATE MONDAY EVENING.

0400 PM NON-TSTM WND DMG CANNON BEACH 45.89N 123.96W
11/16/2009 CLATSOP OR UNKNOWN

TREES DOWN ON HWY. 101.

0400 PM NON-TSTM WND DMG SEASIDE 45.99N 123.92W
11/16/2009 CLATSOP OR UNKNOWN

ROOF DAMAGE ON CITY HALL.

0200 PM NON-TSTM WND DMG TILLAMOOK 45.46N 123.84W
11/16/2009 TILLAMOOK OR EMERGENCY MNGR

SE CORNER OF RESIDENTIAL ROOF BLOWN OFF MONDAY AFTERNOON.
LOCATED AT THE BARVIEW JETTY AREA OFF OF HWY. 101.

&&

$$

LRAMIREZ

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 181734
SWODY2
SPC AC 181733

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1133 AM CST WED NOV 18 2009

VALID 191200Z - 201200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

MODEL CONSENSUS IS THAT UPPER LOW OVER THE MID MS VALLEY WILL EJECT
NEWD THROUGH THE OH VALLEY AND GREAT LAKES THURSDAY AS WRN U.S.
UPPER TROUGH MOVES INTO THE PLAINS. SRN STREAM SHORTWAVE TROUGH NOW
OVER CA WILL MOVE INTO TX BY LATE THURSDAY NIGHT. AT THE SURFACE AN
OCCLUDED LOW WILL LIFT NEWD INTO THE GREAT LAKES WHILE TRAILING
FRONT ADVANCES EWD INTO THE NERN STATES...MID ATLANTIC AND
CAROLINAS. AHEAD OF THIS BOUNDARY A WARM FRONT WILL LIKELY LIFT NWD
THROUGH ERN NC AND SERN VA. FARTHER WEST A COLD FRONT WILL ACCOMPANY
THE UPPER TROUGH THROUGH THE PLAINS STATES.

...CNTRL AND S TX...

PARTIALLY MODIFIED GULF AIR WITH DEWPOINTS IN THE LOWER 60S WILL
ADVECT NWWD THROUGH SRN TX AS SLY BOUNDARY LAYER FLOW BECOMES
ESTABLISHED EAST OF LEE TROUGH. THIS MOISTURE WILL RETURN BENEATH
MODEST 6.5-7 C/KM MID-LEVEL LAPSE RATES THAT WILL ADVECT EWD AHEAD
OF PROGRESSIVE UPPER TROUGH RESULTING IN 500-1000 J/KG MUCAPE OVER S
AND S-CNTRL TX BY THURSDAY EVENING. FORCING AND DESTABILIZATION
PROMOTED BY THE APPROACHING SHORTWAVE TROUGH WILL LIKELY RESULT IN
THUNDERSTORM DEVELOPMENT ACROSS PARTS OF CNTRL AND S TX OVERNIGHT.
STORMS MAY BE SLIGHTLY ELEVATED...BUT IT APPEARS THAT EFFECTIVE
SHEAR MAY BECOME SUFFICIENT FOR SOME UPDRAFTS TO DEVELOP MODEST
ROTATION. ISOLATED...SMALL TO MARGINALLY SEVERE HAIL COULD ACCOMPANY
THE STRONGER STORMS.

...NC THROUGH MID ATLANTIC...

SELY BOUNDARY FLOW WILL BECOME ESTABLISHED FROM THE CAROLINAS INTO
THE MID ATLANTIC AS SURFACE RIDGE RETREATS TO OFF THE NERN U.S.
COAST. HOWEVER...A SHALLOW WEDGE OF COOL AIR COULD STILL PERSIST
ACROSS A PORTION OF THIS REGION...ESPECIALLY FROM CNTRL AND WRN NC
AND VA. NEVERTHELESS...THE ADVECTION OF HIGHER LOW LEVEL THETA-E AIR
WILL BENEATH COOL TEMPERATURES ALOFT WILL RESULT IN AN AXIS OF
500-1000 J/KG MUCAPE FROM THE ERN HALF OF NC INTO ERN VA. PRIMARY
CONVECTIVE DEVELOPMENT IS EXPECTED TO REMAIN WITHIN ZONE OF
ISENTROPIC ASCENT AND ALONG WARM CONVEYOR BELT MOSTLY NORTH OF
RETREATING WARM FRONT. HOWEVER...A FEW STORMS WILL BE POSSIBLE IN
WARM SECTOR. AT THIS TIME IT APPEARS THE STRONGER SHEAR WILL REMAIN
NORTH OF THE MORE UNSTABLE WARM SECTOR WHICH SHOULD LIMIT OVERALL
SEVERE POTENTIAL.

..DIAL.. 11/18/2009

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KILX [181657]: Preliminary Local Storm Report

NWUS53 KILX 181657
LSRILX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1057 AM CST WED NOV 18 2009

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

1052 AM FLOOD 4 E CORNLAND 39.94N 89.33W
11/18/2009 LOGAN IL EMERGENCY MNGR

1400 AVE AND 1500 AVE AT 200 STREET AT LAKE FORK REMAIN
UNDERWATER.

&&

$$

JRP

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KMFR [181633]: Preliminary Local Storm Report

NWUS56 KMFR 181633
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
833 AM PST WED NOV 18 2009

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

0828 AM HEAVY RAIN 2 NNE SELMA 42.30N 123.59W
11/18/2009 M1.05 INCH JOSEPHINE OR TRAINED SPOTTER

24 HOUR RAINFALL FROM 8AM TUESDAY TO 8AM WEDNESDAY.

&&

$$

SPENCER

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 181624
SWODY1
SPC AC 181623

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1023 AM CST WED NOV 18 2009

VALID 181630Z - 191200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A MID LEVEL CLOSED LOW POSITIONED OVER THE STL AREA AT 12Z IS
FORECAST TO LIFT NWD THROUGH THE DAY IN RESPONSE TO A S/W TROUGH
EMERGING OUT OF THE PAC NW. AT THE SURFACE...AN OCCLUDED FRONT WAS
LOCATED FROM GA NWD INTO THE MID OH VALLEY REGION...AND THEN W
ACROSS IL/IND TOWARD A LOW PRESSURE CENTER OVER ERN MO. E OF THE
OCCLUDED FRONT...A HIGH PRESSURE CENTER OVER NEW ENGLAND EXTENDED
S-SWD TOWARD SC...WHICH WAS MAINTAINING A COOL BUT MOIST LOW LEVEL
AIRMASS ACROSS THE REGION.

...UPPER OH RIVER VALLEY...
AS THE UPPER LOW BEGINS TO LIFT NWD THROUGH THE NIGHT...LARGE SCALE
FORCING FOR ASCENT AND LOW LEVEL MASS FIELDS ARE EXPECTED TO
INCREASE...WITH AN EWD SURGE IN THE OCCLUDED FRONT FORECAST TO OCCUR
OVER THE UPPER OH RIVER VALLEY REGION. INCREASING MOISTURE TRANSPORT
ABOVE A COOL/STABLE SURFACE AIRMASS OCCURRING IN CONJUNCTION WITH
STEEPENING MID LEVEL LAPSE RATES WILL RESULT IN A FAVORABLE
ENVIRONMENT FOR THUNDERSTORM DEVELOPMENT LATE THIS AFTERNOON THROUGH
THE OVERNIGHT PERIOD. HOWEVER...ELEVATED INSTABILITY AND EFFECTIVE
BULK SHEAR VALUES APPEAR TO BE TOO WEAK TO SUPPORT A SEVERE WEATHER
THREAT.

...APPALACHIAN MTNS SWD INTO THE CAROLINA COASTAL PLAIN...
A WEDGE FRONT EXTENDS EWD FROM THE OCCLUDED FRONT OVER GA TO A
LOCATION ALONG THE SC/NC COAST. VISIBLE SATELLITE IMAGERY REVEALS
WIDESPREAD STRATUS PRESENT N OF THE WEDGE FRONT...WHICH WILL IMPEDE
SURFACE BASED DESTABILIZATION THROUGH THE DAY. HOWEVER...NWD
TRANSPORT OF MOISTURE ABOVE THE STABLE SURFACE AIRMASS WILL FAVOR
SHOWERS AND ISOLATED THUNDERSTORM DEVELOPMENT THROUGH THE
AFTERNOON/EVENING. AS THE LARGE SCALE PATTERN BECOMES MORE
PROGRESSIVE TONIGHT...MODEL GUIDANCE INDICATES THE WEDGE/COASTAL
FRONT WILL ATTEMPT TO LIFT NWD THROUGH NC. FORECAST SOUNDINGS
INDICATE THAT LOW LEVEL SHEAR PROFILES WILL BE FAVORABLE FOR UPDRAFT
ROTATION. HOWEVER...A SHALLOW STABLE LAYER CONTINUES TO BE
DEPICTED...WHICH WILL PRECLUDE THE INTRODUCTION OF A TWO PERCENT
TORNADO AREA AT THIS TIME.

..GARNER/EVANS.. 11/18/2009

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KCHS [181436]: Preliminary Local Storm Report...corrected

NWUS52 KCHS 181436
LSRCHS

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHARLESTON SC
935 AM EST WED NOV 18 2009

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

0854 AM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
11/18/2009 CHARLESTON SC OTHER FEDERAL

NOS TIDE GAGE IN CHARLESTON HARBOR REACHED 7.19 FEET MLLW
DURING THE MORNING HIGH TIDE. SHALLOW COASTAL FLOODING
TYPICALLY BEGINS AROUND 7.0 FEET MLLW.

0910 AM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
11/18/2009 CHARLESTON SC PUBLIC

CHARLESTON PILOT BOAT OFFICE REPORTS A FEW INCHES OF SALT
WATER IN THEIR PARKING LOT AT THE END OF CONCORD STREET
DURING THE HIGH TIDE.

&&

$$

VB

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