Flash Flood Warning 1, NWS San Angelo, TX

Issued

Mar 19, 2002, 1:43 PM CST (19:43 UTC)

Expired

Mar 19, 2002, 3:15 PM CST

In force

92 min

Issued by

NWS San Angelo, TX

Area

Counties, with a storm outline in the text

County Tom Green County, TX

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

000 
WGUS54 KSJT 191943
FFWSJT
TXC451-192115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
140 PM CST TUE MAR 19 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TOM GREEN COUNTY IN SOUTHWEST TEXAS

* UNTIL 315 PM CST

* AT 137 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER SAN ANGELO...MOVING NORTHEAST AT 20 MPH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
   VERIBEST AT 155 PM CST
   ORIENT AT 210 PM CST

* RAINFALL TOTALING UP 2 INCHES HAS FALLEN QUICKLY IN 20 MINUTES  
...AS A SEVERE THUNDERSTORM MOVED THROUGH SAN ANGELO AROUND 130 PM. 
THIS WATER WILL RUNOFF AND PRODUCE FLASH FLOODING.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH
MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. DO NOT ATTEMPT TO
DRIVE AROUND BARRICADES. MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.

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

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

LAT...LON 3118 10063 3134 10026 3172 10025 3166 10058

NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Mar 19, 3:05 AM CST, 10 hours 38 minutes earlier.

WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
305 AM CST TUE MAR 19 2002

PRIMARY FEATURES OF CONCERN THIS MORNING INCLUDE NEARLY STATIONARY
FRONTAL BOUNDARY EXTENDING FROM SW TO NE FROM SOUTHEASTERN CWA INTO
ARK AHEAD OF APPROACHING UPPER LEVEL TROUGH EXTENDING NE FROM UPPER
LEVEL LOW OVER NW MEXICO.  THUNDERSTORMS HAVE BEEN FIRING ALONG AND
NORTH OF THE FRONTAL BOUNDARY MUCH OF THE NIGHT. EXPECT CONTINUATION
OF THUNDERSTORM ACTIVITY THROUGH TODAY AND INTO THE EVENING WITH
EXPECTED STRONG CONVERGENCE ALONG A DEVELOPING FRONTAL BOUNDARY
COMBINED WITH GOOD SYNOPTIC SCALE LIFTING AS UPPER TROUGH
APPROACHES... HAVE BUMPED POPS UP ACCORDINGLY. LATEST MESOETA HAS
CENTER OF UPPER LOW PASSING THROUGH CWA TONIGHT BEFORE OPENING AND
LIFTING NE OUT OF THE AREA.

WARMING TEMPS ON TAP INTO THE WEEKEND WITH A CHANCE OF PRECIP THE
FIRST OF NEXT WEEK AHEAD OF THE NEXT SYSTEM... BUT WILL FOREGO
MENTIONING CHANCE OF PRECIP ATTM.

ABI 064/043/062/040 9500
SJT 065/044/064/039 8500
JCT 068/046/065/038 9600

.SJT...NONE.

15

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.