Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 82, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Sep 25, 2003, 5:30 PM CDT for McCulloch County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 25, 2003, 5:30 PM CDT (22:30 UTC)
- Expired
- Sep 25, 2003, 8:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County McCulloch County, TX
Did it verify
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.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 10.5 hours before the alert went out and 252 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 815 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KSJT 252231 FFWSJT TXC307-260130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 530 PM CDT THU SEP 25 2003 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... MCCULLOCH COUNTY IN WEST CENTRAL TEXAS * UNTIL 830 PM CDT * AT 525 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDING FROM IVIE RESERVOIR TO MENARD...MOVING EAST AT 20 MPH. * THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR... LOHN AT 545 PM CDT BRADY AT 550 PM CDT ROCHELLE...PLACID AT 600 PM CDT * RAINFALL TOTALING 1 TO 2 INCHES WILL FALL ACROSS MUCH OF MCCULLOCH COUNTY THROUGH 830 PM. STREAMS AND CREEKS WILL FILL WITH SWIFTLY FLOWING FLOODWATER...INUNDATING LOW WATER CROSSINGS ACROSS THE COUNTY. LOW LYING STREETS IN BRADY MAY ALSO BECOME IMPASSABLE. TURN AROUND DONT DROWN DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW SAFE PASSAGE. REMEMBER...MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES. LAT...LON 3141 9951 3104 9956 3101 9914 3140 9916 $$ 07
1 follow-up statement
000 WGUS74 KSJT 260022 FFSSJT TXC307-260130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 725 PM CDT THU SEP 25 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCCULLOCH COUNTY UNTIL 830 PM CDT... AT 7 PM CDT...DOPPLER RADAR ESTIMATED THAT 1 TO 2 INCHES OF RAIN HAS FALLEN OVER THE WARNED AREA IN THE LAST HOUR. LIGHTER AMOUNTS OF RAIN ARE EXPECTED OVER THE NEXT 30 MINUTES AS THE STORM SYSTEM MOVES EAST OUT OF THE COUNTY. RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS WITH LOW WATER CROSSINGS...NORMALLY DRY DRAWS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE ACROSS AREAS WHERE WATER OF UNKNOWN DEPTH COVERS THE ROAD. THE TEXAS DEPARTMENT OF TRANSPORTATION HAS INDICATED WATER IS COVERING PORTIONS OF FARM TO MARKET ROADS...503...504...714 AND 1028 IN MCCULLOCH COUNTY. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. $$ JOHNSON
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 25, 3:59 PM CDT, 1 hour 31 minutes earlier.
Area forecast discussion, Sep 25, 3:59 PM CDT, 1 hour 31 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE SAN ANGELO TX 359 PM CDT THU SEP 25 2003 DECIDED TO ISSUE A FLASH FLOOD WATCH FOR TONIGHT...FOR THE EASTERN HALF OF THE FORECAST AREA. MAIN AREA OF CONCERN IS FROM ABILENE... SOUTHEAST THROUGH THE HEARTLAND AND NW HILL COUNTRY THIS EVENING. 14 RATHER ACTIVE WEATHER OVER WC TX THIS AFTERNOON...WITH AN MCS MOVING THROUGH THE HEART OF THE FORECAST AREA. A MESOSCALE LOW MAY BE FORMING JUST SOUTH OF SWEETWATER...WHICH WILL AID HEAVY RAIN CHANCES FROM ABILENE...SOUTHEAST TO NEAR COLEMAN IN THE NEXT TWO HOURS. ISOLATED FLASH FLOODING POSSIBLE THIS EVENING...OVERALL SYSTEM MOVEMENT APPEARS SUFFICIENT TO DIMINISH WIDESPREAD FLASH FLOOD THREAT. TODAY/S RAIN FORMED IN A LOW LEVEL MOISTURE RIDGE EXTENDING UP THE RIO GRANDE...INTO THE PERMIAN BASIN AND WC TX. IN ADDITION... THE THUNDERSTORMS APPEAR TO BE AIDED BY DIVERGENCE ALOFT... ASSOCIATED WITH THE LEFT FRONT QUAD OF THE 250MB JET UNDERCUTTING A WEAK UPPER SHEAR AXIS FROM NM...INTO THE PERMIAN BASIN. THE UPPER SHEAR AXIS/DEVELOPING OPEN SHORTWAVE TROF EXPECTED TO DROP TO THE PERMIAN BASIN TONIGHT...AND TO THE MID RIO GRANDE VALLEY BY TOMORROW EVENING. WILL MAINTAIN CHANCE POPS PRIMARILY SOUTH OF I-10 THROUGH TOMORROW...WITH ONLY SLIGHT CHANCE INTO THE CONCHO VALLEY AND HEARTLAND. SLIGHTLY DRIER AIR OVER NW TX WILL HAVE A DIFFICULT TIME MAKING IT INTO WC TX UNTIL A POSSIBLE COLD FRONTAL PASSAGE EARLY SATURDAY. THIS FRONT WOULD BE OF PACIFIC ORIGIN...FOLLOWED QUICKLY BY SOUTHERLY SURFACE RETURN FLOW AND ASSOCIATED LOW LEVEL THETA-E RIDGE THROUGH THE MID PART OF NEXT WEEK. GFS BRINGS A RATHER STRONG COLD FRONT TO WC TX NEAR OR JUST AFTER THE LAST PERIOD OF THE NEW 7-DAY FORECAST. THE ASSOCIATED AIRMASS APPEARS TO ORIGINATE IN WESTERN CANADA. WE WILL SEE...AS RUN-TO-RUN VARIABILITY OF THE MEDIUM RANGE GFS HAS BEEN HIGH AS OF LATE. PRELIMS... ABI 063/087/065/083 41-- SJT 064/086/064/084 41-- JCT 063/084/063/085 7311 .SJT...FFA TONIGHT FOR ZONES ZONES TXZ066-072-073-077-078-098-099-113-114- 127-128-139-140-154-155-168>170. 14
Hazardous weather outlook, Sep 25, 2:17 PM CDT, 3 hours 13 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-261915- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 217 PM CDT THU SEP 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS. .DAY ONE... SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING ACROSS WEST CENTRAL TEXAS. FREQUENT LIGHTNING AND HEAVY RAIN WILL ACCOMPANY THE STORMS...AND THE HEAVY RAIN COULD CAUSED LOCALIZED MINOR FLOODING. WIND GUSTS TO 40 MPH WILL BE POSSIBLE WITH THE STRONGER STORMS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. 19
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 4:01 PM CDT | Flash Flood Warning | SJT | Coleman, Runnels, Taylor | 119 min |
| Sep 25, 5:08 PM CDT | Flash Flood Warning | SJT | Jones | 4 hr |
Nearby
Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003
Sources
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.