Flash Flood Warning 34, NWS Shreveport, LA

Issued

Aug 1, 1996, 9:24 AM CDT (14:24 UTC)

Expired

Aug 1, 1996, 1:30 PM CDT

In force

4 hr

Issued by

NWS Shreveport, LA

Area

Whole counties

County Winn Parish, LA

000 
TTAA00 KSHV 011426
FFWSHV
LAC127-011830-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
924 AM CDT THU AUG 1 1996
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 130 PM CDT
FOR THE FOLLOWING AREA...
 
IN NORTHWEST LOUISIANA
 
   ...WINN PARISH
 
AT 915 AM...THE SHREVEPORT DOPPLER RADAR CONTINUED TO SHOW
THUNDERSTORMS PRODUCING HEAVY RAIN AS THEY REDEVELOP AND MOVE OVER
THE SAME AREAS OF WINN PARISH IN NORTHWEST LOUISIANA.  THE
LOUISIANA STATE DEPARTMENT OF TRANSPORTATION REPORTED THAT FLOODING
WILL LIKELY DEVELOP IN WINN PARISH AS SMALL BAYOUS WERE RUNNING HIGH.
 
RADAR ESTIMATES RAINFALL SINCE 630 AM UP TO TWO INCHES.  WITH HEAVY
RAINFALL OF 4 TO 5 INCHES ALREADY NOTED IN PARTS OF WINN PARISH
WEDNESDAY...FLOODING WILL LIKELY DEVELOP AS SOILS ARE SATURATED.
 
THE AREA OF SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE SOUTHEAST
NEAR 20 MILES AN HOUR.
 
NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO AFFECT PARTS OF
NORTHWEST LOUISIANA THE REMAINDER OF THE MORNING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
IMMEDIATELY.

NWS Shreveport, LA wrote its last area forecast discussion before this flash flood warning went out at Aug 1, 4:07 AM CDT, 5 hours 17 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
400 AM CDT THU AUG 1 1996

THIS AM SHOWERS AND THUNDERSTORMS CONTINUE OVER N LA AND EXTREME E TX
BUT THESE MAY END DURING EARLY MORNING AS VORT MAX AND PVA MOVE TO THE
EAST. HOWEVER DURING THE DAY A FAVORABLE THETA-E RIDGE AXIS...AFTN HEATING
...AND WEAK VORT ADV INTO THE NORTHERN SECTIONS OF FA MAY CAUSE RE-
DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. MODELS SHOW THAT THE NW FLOW
REGIME ALOFT TO CONTINUE THROUGH THE FCST PERIOD WITH SEVERAL WEAK VORT
LOBES AND PVA SPREADING OVER CWA WITH THE NEXT MOST SIGNIFICANT FEATURE
TO BE APPROACHING FROM UPSTREAM DURING THE 3RD PERIOD (FRI). FAVORABLE
THETA-E RIDGE AXIS ONCE AGAIN SHOWS THAT SHOWERS AND THUNDERSTORMS TO
DEVELOP AND SPREAD OVER CWA BUT UVV NOT VERY HIGH AND MEAN RH VALUES
RATHER LOW. HOWEVER BOUNDARY LAYER MOISTURE REMAINS THROUGHOUT PERIOD.
WILL KEEP POPS THROUGH FCST PERIOD AND TEMPS BELOW MOS GUIDANCE OR
MORE NEAR FAN NUMBERS FOR DAYTIME HIGHS.

SHV 90/72/91 335  MLU 89/72/91 433
SIX

Flash Flood Warnings in Louisiana, 1996Every flash flood warning in 1996

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.