Monday, September 23, 2013

KTFX [231056]: Preliminary Local Storm Report

NWUS55 KTFX 231056
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
455 AM MDT MON SEP 23 2013

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

0300 AM NON-TSTM WND GST 13 WSW SAINT MARY 48.69N 113.71W
09/23/2013 M79 MPH GLACIER MT MESONET

LOGAN PASS WIND SENSOR ELEVATION 6775 FT MSL


&&

$$

BLANK

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KTFX [231054]: Preliminary Local Storm Report

NWUS55 KTFX 231054
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
454 AM MDT MON SEP 23 2013

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

1200 AM NON-TSTM WND GST 13 WSW SAINT MARY 48.69N 113.71W
09/23/2013 M62 MPH GLACIER MT MESONET

LOGAN PASS WIND SENSOR ELEVATION 6775 FT MSL


&&

$$

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 230830
SWOD48
SPC AC 230829

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0329 AM CDT MON SEP 23 2013

VALID 261200Z - 011200Z

...DISCUSSION...
ECMWF/GFS/CMC/UKMET CONSENSUS HAS TRENDED TOWARDS THE EJECTION OF A
PAIR OF VIGOROUS SHORTWAVE IMPULSES WITHIN THE AMPLIFIED UPPER-LEVEL
TROUGH OVER THE WEST. THE LEAD IMPULSE WOULD CROSS THE NRN HIGH
PLAINS TO THE SRN PRAIRIE PROVINCES ON D4...WHILE THE SECOND IMPULSE
REACHES THE N-CNTRL CONUS AROUND D6. CONSISTENCY HAS INCREASED WITH
THE DEGREE OF LOW-LEVEL MOISTURE RETURN IN THE PLAINS AHEAD OF A
SHARP COLD FRONT...APPEARING QUITE ANEMIC FOR THE LEAD IMPULSE AND
COMPARATIVELY RICHER FOR THE LATTER ONE. BUOYANCY APPEARS TOO WEAK
THROUGH D5 AND PREDICTABILITY OF THE LATTER SHORTWAVE TROUGH/COLD
FRONT BY D6 ARE TOO LOW TO WARRANT ANY CONSIDERATION BEYOND LOW
SEVERE PROBABILITIES.

..GRAMS.. 09/23/2013

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 230711
SWODY3
SPC AC 230709

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0209 AM CDT MON SEP 23 2013

VALID 251200Z - 261200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A WEAK SHORTWAVE TROUGH WILL SHIFT EWD FROM THE MIDWEST/LOWER OH
VALLEY TO THE LOWER MID-ATLANTIC BY EARLY THU. ASSOCIATED SURFACE
COLD FRONT SHOULD UNDERGO FRONTOLYSIS IN THE SOUTHEAST. AN AMPLIFIED
LARGE-SCALE UPPER-LEVEL TROUGH WILL DOMINATE THE WEST AS A RIDGE
BUILDS FROM THE WRN GULF COAST TO THE UPPER GREAT LAKES. A LEE
CYCLONE SHOULD BECOME ANCHORED OVER THE NRN HIGH PLAINS.

...SRN AL/GA...NRN FL...
OUTSIDE OF THE NAM WHICH DEPICTS A SLIGHTLY MORE AMPLIFIED SHORTWAVE
TROUGH CROSSING THE CNTRL APPALACHIANS AND ATTENDANT BELT OF
STRONGER MID-LEVEL WLYS OVER THE WARM SECTOR...OVERALL SYNOPTIC
SETUP GENERALLY APPEARS UNFAVORABLE FOR ORGANIZED SEVERE STORMS.
MARGINAL MID-LEVEL LAPSE RATES AND WEAK LOW-LEVEL FLOW SHOULD LIMIT
UPDRAFT INTENSITY/SUSTENANCE EVEN AMIDST MODERATE MID-LEVEL WLYS.
ALTHOUGH THE RISK FOR LOCALLY DAMAGING WINDS IS
NON-NEGLIGIBLE...THIS POTENTIAL DOES NOT APPEAR TO WARRANT LOW
SEVERE PROBABILITIES ATTM.

...NERN WY...SERN MT...WRN DAKOTAS...
CONVERGENCE INVOF A DEVELOPING LEE CYCLONE AND ATTENDANT SURFACE
FRONTS WILL INCREASE WED LATE AFTERNOON INTO THE EVENING. THE NAM
DEPICTS DEEPER CYCLOGENESIS THAN THE ECMWF/GFS/UKMET/CMC AND ALSO
HAS A MORE ROBUST QPF SIGNAL ALONG THE FRONT EMANATING NEWD.
HOWEVER...CONSENSUS OF OTHER GUIDANCE SUGGEST THE LARGE-SCALE TROUGH
WOULD STILL BE DIGGING THROUGH THIS TIME AS THE MID-LEVEL SPEED MAX
ROTATES THROUGH THE BASE OF THE TROUGH. IN EITHER CASE...BOUNDARY
LAYER MOISTURE RETURN SHOULD BE QUITE LIMITED IN THE WARM SECTOR AND
MAY NOT EVEN BE SUFFICIENT FOR SURFACE-BASED STORMS.

..GRAMS.. 09/23/2013

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KGJT [230654]: Preliminary Local Storm Report

NWUS55 KGJT 230654
LSRGJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1254 AM MDT MON SEP 23 2013

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

1201 AM HEAVY RAIN MONTROSE 38.48N 107.87W
09/23/2013 M1.30 INCH MONTROSE CO TRAINED SPOTTER

24 HOUR AMOUNT


&&

EVENT NUMBER GJT1301598

$$

BK

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KGJT [230651]: Preliminary Local Storm Report

NWUS55 KGJT 230651
LSRGJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1251 AM MDT MON SEP 23 2013

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

0748 PM HEAVY RAIN 12 ENE COLUMBINE PASS 38.46N 108.16W
09/22/2013 M1.03 INCH MONTROSE CO TRAINED SPOTTER

AMOUNT RECEIVED DURING THE DAY


&&

EVENT NUMBER GJT1301597

$$

BK

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 230538
SWODY2
SPC AC 230536

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1236 AM CDT MON SEP 23 2013

VALID 241200Z - 251200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A SHORTWAVE TROUGH OVER THE CNTRL CONUS SHOULD DAMPEN SOMEWHAT
AS IT PROGRESSES INTO THE MIDWEST/LOWER OH VALLEY BY EARLY WED.
ASSOCIATED SURFACE COLD FRONT SHOULD REACH THE MID/LOWER MS VALLEY.
A WEAK WARM FRONT WILL ADVANCE NEWD ACROSS PARTS OF THE MID-SOUTH
AND SOUTHEAST. IN THE WEST...A LARGE-SCALE UPPER-LEVEL TROUGH WILL
AMPLIFY INLAND.

...MS/AL/TN...
AS A WARM FRONT ADVANCES N/NEWD BEGINNING D1...A MARITIME TROPICAL
AIR MASS WILL PUSH INLAND FROM THE GULF COAST AND SHOULD YIELD UPPER
60S SURFACE DEW POINTS AS FAR N AS THE TN BORDER WITH MS/AL BY TUE
AFTERNOON. DESPITE THE DAMPENING NATURE OF THE TROUGH...A BELT OF
30-40 KT WLYS AT 500 MB SHOULD OVERSPREAD THE WARM SECTOR. THIS
COULD YIELD A LOOSELY-ORGANIZED CLUSTER OR TWO AMIDST CONVECTION
INCREASING IN COVERAGE BY AFTERNOON AS SURFACE HEATING BOOSTS MLCAPE
TO NEAR 500-1000 J/KG. MARGINAL MID-LEVEL LAPSE RATES AND ANEMIC
LOW-LEVEL FLOW SHOULD TEMPER OVERALL SEVERE RISK...BUT LOCALLY
DAMAGING WINDS MAY OCCUR IN THE STRONGEST UPDRAFTS.

..GRAMS.. 09/23/2013

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KLBF [230525]: Preliminary Local Storm Report

NWUS53 KLBF 230525
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1225 AM CDT MON SEP 23 2013

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

1030 AM FLOOD 1 SE ROSCOE 41.12N 101.59W
09/19/2013 KEITH NE OFFICIAL NWS OBS

SOUTH PLATTE RIVER RISES ABOVE FLOOD STAGE.

0530 AM FLOOD 1 S NORTH PLATTE 41.12N 100.77W
09/21/2013 LINCOLN NE OFFICIAL NWS OBS

SOUTH PLATTE RIVER ROSE ABOVE FLOOD STAGE.

0500 PM FLOOD BRADY 41.02N 100.37W
09/21/2013 LINCOLN NE OFFICIAL NWS OBS

SOUTH PLATTE RIVER ROSE ABOVE FLOOD STAGE.


&&

$$

BROOKS

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KLBF [230503]: Preliminary Local Storm Report

NWUS53 KLBF 230503
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1202 AM CDT MON SEP 23 2013

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

1100 PM FLOOD 1 S BIG SPRINGS 41.05N 102.07W
09/18/2013 DEUEL NE DEPT OF HIGHWAYS

25B LINK BETWEEN BIG SPRINGS AND INTERSTATE 80 CLOSED DUE
TO SOUTH PLATTE RIVER FLOOD WATERS. RE-OPENED 9/21.

1100 AM FLOOD 1 S BRULE 41.08N 101.89W
09/19/2013 KEITH NE DEPT OF HIGHWAYS

51A LINK BETWEEN BRULE AND INTERSTATE 80 CLOSED DUE TO
FLOOD WATERS FROM THE SOUTH PLATTE RIVER. ROAD RE-OPENED
9/20.

0300 PM FLOOD 1 S ROSCOE 41.12N 101.60W
09/19/2013 KEITH NE DEPT OF HIGHWAYS

51B LINK CLOSED BETWEEN ROSCOE AND INTERSTATE 80 DUE TO
FLOOD WATERS FROM THE SOUTH PLATTE RIVER. ROAD REMAINS
CLOSED AS OF 9/23.

0835 PM FLOOD NORTH PLATTE 41.13N 100.77W
09/22/2013 LINCOLN NE PUBLIC

SOUTH PLATTE RIVER FLOODING CAUSING STORM SEWERS TO BACK
UP AT INTERSECTION OF MADISON AND A STREETS.

0800 AM FLOOD BRULE 41.10N 101.89W
09/19/2013 KEITH NE LAW ENFORCEMENT

HIGHLINE COOP AT BRULE HAD FLOOD WATERS FROM THE SOUTH
PLATTE RIVER INUNDATE THE PROPERTY.

0800 AM FLOOD 1 S BIG SPRINGS 41.05N 102.07W
09/19/2013 DEUEL NE LAW ENFORCEMENT

FLOOD WATERS FROM THE SOUTH PLATTE RIVER INUNDATED A GAS
STATION AND STATE DOR SHOPS ALONG THE 25B LINK BETWEEN
THE RIVER AND INTERSTATE 80.

0500 PM FLOOD 4 SE NORTH PLATTE 41.09N 100.72W
09/21/2013 LINCOLN NE NWS EMPLOYEE

WATER FROM SOUTH PLATTE RIVER WAS OVER HIDDEN LAKES ROAD
FROM 3 MILES SOUTHEAST OF NORTH PLATTE OT 5 MILES
SOUTHEAST OF NORTH PLATTE.

1200 PM FLOOD 3 E NORTH PLATTE 41.13N 100.71W
09/21/2013 LINCOLN NE EMERGENCY MNGR

WATER BACKING UP FROM SOUTH PLATTE RIVER INTO WHITEHORSE
CREEK NEARING THE SOUTH END OF THE RUNWAY AT NORTH PLATTE
REGIONAL AIRPORT.

1100 PM FLOOD 1 S MAXWELL 41.06N 100.53W
09/21/2013 LINCOLN NE EMERGENCY MNGR

WATER OVER W ISLAND ROAD THREE QUARTERS OF A MILE WEST OF
56A LINK.

0500 PM FLOOD 2 SW NORTH PLATTE 41.11N 100.80W
09/21/2013 LINCOLN NE NWS EMPLOYEE

WATER FROM SOUTH PLATTE RIVER ROSE ONTO NORTH APPROACH TO
BUFFALO BILL BRIDGE AND INTO ADJACENT PROPERTY.

0500 PM FLOOD 5 W BRADY 41.02N 100.46W
09/22/2013 LINCOLN NE NWS EMPLOYEE

WATER FROM SOUTH PLATTE RIVER FLOODING FIELDS AROUND
INTERSTATE 80 REST STOPS.

0500 PM FLOOD 1 SW BRADY 41.01N 100.38W
09/22/2013 LINCOLN NE NWS EMPLOYEE

WATER FROM SOUTH PLATTE RIVER OVER E ISLAND ROAD AND
TRAVELING THROUGH FIELDS SOUTH TOWARDS INTERSTATE 80. ONE
HOME JUST NORTH OF E ISLAND ROAD EVACUATED.

1100 PM FLOOD 2 SE MAXWELL 41.06N 100.50W
09/21/2013 LINCOLN NE EMERGENCY MNGR

SOUTH PLATTE RIVER CAUSING FLOODING OVER S GUN CLUB ROAD
AND IN FIELDS IN THE VICINITY.


&&

$$

BROOKS

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