Severe Thunderstorm Warning 89, NWS Shreveport, LA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1118 AM CST MON MAR 3 2008

.DISCUSSION...
AS OF 11 AM...A STRONG COLD FRONT WAS STRETCHING FROM NEAR LUFKIN
TX...TO NEAR SHREVEPORT...TO HOPE AR...MOVING EASTWARD AT ABOUT 30
MPH...AND TRIGGERING A LINE OF STRONG TO SEVERE THUNDERSTORMS JUST
AHEAD OF IT. WITH THE ONSET OF DAYTIME HEATING...AND VISIBLE IMAGERY
INDICATING HOLES DEVELOPING IN THE STRATOCU FIELD ACROSS CENTRAL
LA...WE CAN EXPECT THIS LINE OF STORMS TO INTENSIFY THROUGH THE AFTERNOON.
ADDITIONALLY...DUE TO THE STRONG MOISTURE ADVECTION AHEAD OF THE
BOUNDARY...HEAVY RAIN WILL BE LIKELY AS THE FRONT MOVES THROUGH
NORTHERN LA AND EXTREME EASTERN TX...WITH 1 TO 2 INCHES OF RAIN
POSSIBLE OVER A SHORT PERIOD OF TIME.

TO TOP ALL OF THIS OFF...LOCATIONS NORTH OF INTERSTATE 30 CAN ALSO
EXPECT SNOWFALL DURING THE EARLY MORNING HOURS OF TUESDAY IN THE
WRAP AROUND MOISTURE OF THIS SYSTEM. ANYWHERE FROM A HALF INCH TO 2
INCHES ARE POSSIBLE...MAINLY ON GRASSY SURFACES...WITH THE GREATEST
AMOUNTS EXPECTED IN MC CURTAIN COUNTY OK. HOWEVER...WITH GROUND
TEMPERATURES BEING RELATIVELY WARM ACROSS THAT AREA...DO NOT EXPECT SNOW
TO LAST FOR VERY LONG. /18/

UPDATES WILL BE OUT SOON...

&&

.AVIATION...
THE COLD FRONT IS MOVING EAST AT 25-30KT ACROSS EAST TEXAS AND SW
ARKANSAS WITH SHOWERS AND THUNDERSTORMS... SOME LOCALLY SEVERE...
ALONG AND BEHIND THE LEADING EDGE OF THE FRONT. CIGS/VSBYS LOWERING
TO IFR ALONG AND BEHIND THE FRONT... GENERALLY CIGS AOB 010 TOPS
NEAR 10 THSD FT VSBYS AOB 3MI AND SOUTHERLY WINDS 15 TO 20 KTS WITH
GUSTS TO 30 KTS SHIFTING TO NORTHWESTERLY 15 TO 20 KTS BEHIND THE
FRONT. WITH COLDER AIR SPILLING IN TO SE OKLAHOMA AND SW ARKANSAS
EXPECT ICING IN WRAP AROUND CLOUDS AS SURFACE TEMPERATURES DROP TO
BELOW 35 DEGREES SHORTLY AFTER NOON. WINDS IN ARKLATEX FAIRLY STRONG
AS SOUTHERLY LOW LEVEL JET REMAINS AHEAD OF THE FRONT PRODUCING A
FAIRLY BUMPY RIDE BELOW 10 THSD FT. THUS... VFR NOT RECOMMENDED OVER
ARKLATEX THROUGH THIS EVENING. OTLK... CONDITIONS SLOWLY IMPROVING
TO MVFR BY 00Z OVER ARKLATEX AND TO VFR CLOUDS AND WIND ON TUESDAY.
/01/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  71  34  53  35 / 100  60  10  10
MLU  73  36  52  33 / 100  70  10  10
DEQ  64  30  49  33 / 100  70  10  10
TXK  67  32  51  34 / 100  70  10  10
ELD  71  33  50  34 / 100  70  20  10
TYR  68  33  57  35 / 100  60  10  10
GGG  70  33  55  35 / 100  60  10  10
LFK  71  34  59  35 / 100  40  10  10

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...LAKE WIND ADVISORY UNTIL 9 PM MONDAY FOR THE FOLLOWING ZONES:
     COLUMBIA...HEMPSTEAD...HOWARD...LAFAYETTE...LITTLE
     RIVER...MILLER...NEVADA...SEVIER...AND UNION AR.

     FLASH FLOOD WATCH UNTIL 4 PM MONDAY FOR THE FOLLOWING ZONES:
     COLUMBIA...HEMPSTEAD...LAFAYETTE...MILLER...NEVADA...AND
     UNION AR.

     SNOW ADVISORY FROM 9 PM MONDAY TO 4 AM TUESDAY FOR THE FOLLOWING
     ZONES: HEMPSTEAD...HOWARD...LITTLE
     RIVER...MILLER...NEVADA...AND SEVIER.

LA...FLASH FLOOD WATCH UNTIL 4 PM MONDAY FOR THE FOLLOWING ZONES:
     BIENVILLE...BOSSIER...CADDO...CALDWELL...CLAIBORNE...DE
     SOTO...GRANT...JACKSON...LA
     SALLE...LINCOLN...NATCHITOCHES...OUACHITA...RED
     RIVER...SABINE LA...UNION LA...WEBSTER...AND WINN.

     LAKE WIND ADVISORY UNTIL 9 PM MONDAY FOR THE FOLLOWING ZONES:
     BIENVILLE...BOSSIER...CADDO...CALDWELL...CLAIBORNE...DE
     SOTO...GRANT...JACKSON...LA
     SALLE...LINCOLN...NATCHITOCHES...OUACHITA...RED
     RIVER...SABINE LA...UNION LA...WEBSTER...AND WINN.

OK...LAKE WIND ADVISORY UNTIL 9 PM MONDAY FOR THE FOLLOWING ZONES:
     AND MCCURTAIN.

     SNOW ADVISORY FROM 9 PM MONDAY TO 4 AM TUESDAY FOR THE FOLLOWING
     ZONES: AND MCCURTAIN.

TX...LAKE WIND ADVISORY UNTIL 9 PM MONDAY FOR THE FOLLOWING ZONES:
     ANGELINA...BOWIE...CAMP...CASS...CHEROKEE...FRANKLIN...GREGG...HARRISON...MARION...MORRIS...NACOGDOCHES...PANOLA...RED
     RIVER...RUSK...SABINE TX...SAN
     AUGUSTINE...SHELBY...SMITH...TITUS...UPSHUR...AND WOOD.

     SNOW ADVISORY FROM 9 PM MONDAY TO 4 AM TUESDAY FOR THE FOLLOWING
     ZONES: BOWIE...CAMP...CASS...FRANKLIN...MORRIS...RED
     RIVER...AND TITUS.

     FLASH FLOOD WATCH UNTIL 4 PM MONDAY FOR THE FOLLOWING ZONES:
     ANGELINA...BOWIE...CASS...CHEROKEE...HARRISON...MARION...NACOGDOCHES...PANOLA...RUSK...SABINE
     TX...SAN AUGUSTINE...AND SHELBY.

&&

18/01

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1101 AM CST MON MAR 03 2008

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

1038 AM     FLASH FLOOD      MARSHALL                32.54N 94.35W
03/03/2008                   HARRISON           TX   PUBLIC

            DAYCARE ON WEST HOUSTON ST WEST OF DOWNTOWN NEAR SMALL
            CREEK EVACUATED DUE TO FLOODING

&&

12

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