Flash Flood Warning 56, NWS San Angelo, TX

Issued

Jul 7, 2002, 2:23 AM CDT (07:23 UTC)

Expired

Jul 7, 2002, 6:15 AM CDT

In force

4 hr

Issued by

NWS San Angelo, TX

Area

Counties, with a storm outline in the text

County Crockett 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 070723
FFWSJT
TXC105-071115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
225 AM CDT SUN JUL 7 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CROCKETT COUNTY IN SOUTHWEST TEXAS

* UNTIL 615 AM CDT

* AT 223 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY 
  HEAVY RAIN 11 MILES SOUTH OF OZONA...MOVING NORTHWEST AT 10 MPH.
  
* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
   OZONA AT 230 AM CDT

* RAINFALL TOTALING 1 TO 2 INCHES HAS FALLEN IN THE WARNED
  AREA...WITH ADDITIONAL RAINFALL UP TO 4 INCHES EXPECTED THROUGH 615
  AM CDT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3033 10136 3035 10101 3105 10104 3108 10203
          3057 10159 3033 10168

NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 7, 2:13 AM CDT, 10 minutes earlier.

WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
213 AM CDT SUN JUL 7 2002

WATER VAPOR LOOP INDICATED UPPER TROUGH/SHEAR ZONE CONTINUING
OVER WEST CENTRAL TEXAS...WITH AN UPPER LEVEL LOW OVER EASTERN
NEW MEXICO. THE ATMOSPHERE REMAINS MOIST AND TROPICAL WITH DEW
POINTS IN THE LOWER 70S. 00Z SOUNDING AT MIDLAND AND DEL RIO WERE
RUNNING ABOUT 150 PERCENT OF NORMAL. RADAR AT 7Z INDICATED THE CIRCULATION
SOUTHWEST CROCKETT COUNTY...AS A MCS MOVED SOUTHEAST INTO MEXICO AND TOWARD
DEL RIO.

SCATTERED THUNDERSTORMS WERE REDEVELOPING NEAR SONORA AND OZONA. MIDNIGHT
HAS THE TIME FOR REDEVELOPMENT THIS WEEK...AND THIS COULD VERY WELL
DEVELOP OVER THE CONCHO VALLEY THIS MORNING. MAY SEE ANOTHER MCS DEVELOP
IN THE PERMIAN BASIN THIS AFTERNOON...CLOSER TO UPPER LOW IN NEW MEXICO...
AND MOVE INTO WESTERN SECTONS OF THE BIG COUNTRY/CONCHO VALLEY AGAIN.

MODEL INDICATE LITTLE MOVEMENT WITH UPPER FEATURES TODAY. BOTH AVN AND
ETA MODELS SHIFT THE SHEAR ZONE AND UPPER LOW TO THE SOUTHWEST ON MONDAY.
MODELS CONTINUE TO HAVE PROBLEMS DOING THIS HOWEVER...AND WILL
KEEP HIGHER POPS MONDAY (30 TO 40 PERCENT RANGE). PERHAPS SHEAR ZONE
WILL ACTUALLY MOVE WEST BY TUESDAY  WILL KEEP LOWER POPS IN PREVIOUS
FORECAST PACKAGE FOR TUESDAY AND BEYOND.

WITH THE EXTREME AMOUNTS OF RAIN THAT FELL THE LAST 24 HOURS...WILL PUT
IN FLASH FLOOD WATCH. EVEN IF THE MCS DOES NOT DEVELOP THIS MORNING...
AFTERNOON HEAT GENERATED STORMS COULD QUICKLY PRODUCE 3 TO 5 INCHES OF
RAIN. AFTERNOON/EVENING STORMS PROBABLY THE CASE FOR THE HARD HIT ABILENE
AND BROWNWOOD AREAS.

CCF PRELIMS...

ABI 086/070 090/071 091 6333
SJT 090/070 093/070 091 6533
JCT 090/070 093/070 090 4332

.SJT...FLASH FLOOD WATCH TODAY ALL COUNTIES.

04

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.