Flash Flood Warning 10, NWS Shreveport, LA

Issued

Mar 20, 2012, 11:42 AM CDT (16:42 UTC)

Expired

Mar 20, 2012, 3:45 PM CDT

In force

4 hr

Issued by

NWS Shreveport, LA

Area

Storm-based polygon

Flood severity

None

Counties McCurtain County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Franklin County, TX, Marion County, TX, Morris County, TX, Red River County, TX, Titus County, TX, Upshur County, TX

The Western Arkansas radar (KSRX), 176 km from the middle of the area, began a volume at 16:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

486 
WGUS54 KSHV 201642
FFWSHV
OKC089-TXC037-063-067-159-315-343-387-449-459-202045-
/O.NEW.KSHV.FF.W.0010.120320T1642Z-120320T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1142 AM CDT TUE MAR 20 2012

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN BOWIE COUNTY IN NORTHEAST TEXAS...
  CAMP COUNTY IN NORTHEAST TEXAS...
  THIS INCLUDES THE CITIES OF...PITTSBURG...LEESBURG...
  WESTERN CASS COUNTY IN NORTHEAST TEXAS...
  FRANKLIN COUNTY IN NORTHEAST TEXAS...
  THIS INCLUDES THE CITY OF HAGANSPORT...
  NORTHWESTERN MARION COUNTY IN NORTHEAST TEXAS...
  MORRIS COUNTY IN NORTHEAST TEXAS...
  RED RIVER COUNTY IN NORTHEAST TEXAS...
  THIS INCLUDES THE CITIES OF...CLARKSVILLE...BOXELDER...
  TITUS COUNTY IN NORTHEAST TEXAS...
  THIS INCLUDES THE CITY OF MOUNT PLEASANT...
  NORTHEASTERN UPSHUR COUNTY IN NORTHEAST TEXAS...
  MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 345 PM CDT

* AT 1131 AM CDT...NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT 
INDICATED WIDESPREAD SHOWERS...WITH EMBEDDED THUNDERSTORMS...TO 
CONTINUE ACROSS THE AREA THROUGH THE MID AFTERNOON. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MANCHESTER...DE KALB...BOGATA...BAGWELL...IDABEL AND BROKEN BOW...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE GROUND ACROSS MOST OF THE AREA IS NEARLY COMPLETELY SATURATED 
FROM HEAVY RAINFALL TOTALS OF 3 TO OVER 6 INCHES...WHICH HAVE 
OCCURRED SINCE LAST NIGHT. ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO 
INCHES ARE POSSIBLE IN THE WARNED AREA. THEREFORE...ADDITIONAL HEAVY 
RAIN WILL RESULT IN RAPID RUNOFF.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
SHREVEPORT.

&&

LAT...LON 3451 9453 3277 9454 3298 9515 3300 9515
      3299 9531 3387 9532 3391 9528 3390 9525
      3393 9526 3397 9523 3395 9517 3424 9516
      3425 9506 3451 9504

$$

VII

108 
WGUS74 KSHV 201907
FFSSHV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
207 PM CDT TUE MAR 20 2012

OKC089-TXC037-063-067-159-315-343-387-449-459-202045-
/O.CON.KSHV.FF.W.0010.000000T0000Z-120320T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCCURTAIN OK-FRANKLIN TX-MARION TX-MORRIS TX-RED RIVER TX-TITUS TX-
UPSHUR TX-CASS TX-CAMP TX-BOWIE TX-
207 PM CDT TUE MAR 20 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
BOWIE...CAMP...CASS...UPSHUR...TITUS...RED RIVER...MORRIS...MARION...
FRANKLIN AND MCCURTAIN COUNTIES...

NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATES THAT AN 
ADDITIONAL TWO TO THREE INCHES OF RAIN HAS OCCURRED ACROSS THE AREA. 
A FEW SECONDARY ROADS OVER SOUTHERN FRANKLIN COUNTY ARE REPORTED 
FLOODED. SOME AREAS OF HIGH WATER ON ROADS AND LOW LYING AREAS CAN 
BE EXPECTED...WITH THESE AREAS GRADUALLY SUBSIDING LATER THIS 
AFTERNOON AS RAINFALL TO THE WEST HAS BEGUN TO DIMINISH. 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
SHREVEPORT.

&&

LAT...LON 3451 9453 3277 9454 3298 9515 3300 9515
      3299 9531 3387 9532 3391 9528 3390 9525
      3393 9526 3397 9523 3395 9517 3424 9516
      3425 9506 3451 9504

$$

VII

Flash Flood Warnings in Texas, 2012Flash Flood Warnings in Oklahoma, 2012Every flash flood warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.