Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 6, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at May 25, 2003, 7:35 PM CDT for Tom Green County, Texas. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 25, 2003, 7:35 PM CDT (00:35 UTC)
- Expired
- May 25, 2003, 9:30 PM CDT
- In force
- 115 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Tom Green 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 00:00Z, 0.6 hours before the alert went out and 243 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
- 2132 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1625 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KSJT 260039
FFWSJT
TXC451-260230-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
735 PM CDT SUN MAY 25 2003
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN TOM GREEN COUNTY IN SOUTHWEST TEXAS
* UNTIL 930 PM CDT
* AT 735 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER
OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER EASTERN TOM GREEN
COUNTY...FROM JUST EAST OF WALL THROUGH VERIBEST TO NEAR HARRIET.
THE STORMS WERE NEARLY STATIONARY.
* RAINFALL TOTALING 2 TO 3.5 INCHES HAS ALREADY FALLEN IN THE
WARNED AREA...WITH AN ADDITIONAL RAINFALL OF 1 TO 2 INCHES
EXPECTED THROUGH 900 PM CDT. THIS WILL CAUSE FLASH FLOODING.
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 3157 10042 3132 10033 3136 10013 3157 10014
3158 10028 3159 10034
$$
19What 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 May 25, 2:00 PM CDT, 5 hours 35 minutes earlier.
Area forecast discussion, May 25, 2:00 PM CDT, 5 hours 35 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 200 PM CDT SUN MAY 25 2003 TONIGHT... MODELS HAVING TROUBLE WITH SFC FEATURES AND APPROACHING UPPER TROF. AN OUTFLOW BOUNDARY STRADDLED I20 ACROSS THE BIG COUNTRY. THE AIRMASS SOUTH OF THIS BOUNDARY HAS CONTINUED TO SLOWLY DESTABILIZE. THE SFC BASED CAPES WERE RISING INTO THE 1000 TO 1500 J/KG RANGE. ALSO...AN AREA OF DIFFLUENCE WAS MOVING INTO THE BIG BEND AREA AND WILL LIKELY MOVE ACROSS THE CONCHO ALLEY LATER TONIGHT. SPC MESO ANALYSIS SHOWS THIS DIVERGENCE AT 3H. AT THE SFC...A WEAK SFC TROF APPEARS TO REFLECT THIS DIFFLUENCE/DIVERGENCE EXTENDING FROM BWD TO SJT TO FST TO A SFC LOW BETWEEN ELP AND MAF. EXPECT THE UPPER TROF TO CONTINUE TO UNDERCUT THE UPPER RIDGE AS IT MOVES ESE. EXPECT...CONVECTION DEVELOPING TO OUR WEST TO GRADUALLY SPREAD EAST TONIGHT AS A MESOSCALE CONVECTIVE SYSTEM. ALSO...ANY CONVECTION THAT DEVELOPS ALONG FRONT/OUTFLOW BOUNDARY WILL MOVE SOUTH. AS UPPER TROF APPROACHES SHOULD SEE BETTER LOW LEVEL JET. WENT W/60 POPS FOR MUCH OF WC TX TONIGHT...AND WILL ADD MENTION OF LOCALLY HEAVY RAINFALL BECAUSE OF SLOW STORM MOVEMENT. MEMORIAL DAY THROUGH WEDNESDAY... EXPECT FRONT TO SAG A LITTLE FURTHER SOUTH AND GO STATIONARY. AS IT DOES...MODELS PROG AN AREA OF DIFFLUENCE ALONG THE STATIONARY FRONT ACROSS THE TRANS PECOS REGION. THIS COULD GIVE US ADDITIONAL CHANCES OF RAINFALL. THINGS SHOULD BEGIN DRYING OUT ON WEDNESDAY...ALTHOUGH CANT RULE OUT SOME ISOLATED TSTORMS SINCE WE CONTINUE TO BE IN NW FLOW ALOFT. THURSDAY THROUGH SATURDAY... UPPER HIGH IS PROGGED BY ALL LONG RANGE MODELS TO BUILD INTO WC TX AND SHOULD HELP TO DRY US OUT. SUNDAY... WENT AHEAD AND INSERTED A LOW POP AS MODELS PROG A WEAK UPPER TROF INTO WC TX. ALSO...LEE SIDE TROFING DEVELOPS BENEATH STRONGER ZONAL FLOW ACROSS THE CENTRAL ROCKIES. COULD MEAN THE RETURN OF THE DRYLINE. CCF PRELIMS... ABI 057/076/058/079 6322 SJT 061/078/060/081 6433 JCT 062/083/063/082 6433 .SJT...NONE. GUERRERO/WRIGHT/BACKER
Hazardous weather outlook, May 25, 2:30 PM CDT, 5 hours 5 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-261930- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 230 PM CDT SUN MAY 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS. .DAY ONE... A SLIGHT RISK OF SEVERE WEATHER EXISTS THROUGH TONIGHT FOR AREAS SOUTH OF THE BIG COUNTRY. A COMPLEX OF STORMS IS DEVELOPING ACROSS FAR WEST TEXAS AND INTO EASTERN NEW MEXICO THIS AFTERNOON IN ASSOCIATION WITH AN UPPER LEVEL LOW PRESSURE SYSTEM NOW ENTERING FAR WEST TEXAS. AS THIS COMPLEX OF STORMS APPROACHES OUR CWA LATER THIS EVENING AND OVERNIGHT... A FEW OF STORMS COULD REACH SEVERE LIMITS WITH DAMAGING WINDS AND LARGE HAIL THE MAIN CONCERN. .DAYS TWO THROUGH SEVEN... WITH A FRONT MOVING THROUGH AND THEN STALLING OUT ACROSS WEST CENTRAL TEXAS...THERE WILL BE A SLIGHT RISK OF SEVERE WEATHER ON SUNDAY AND MONDAY. OTHERWISE...A SLIGHT CHANCE OF STORMS WILL CONTINUE THROUGH THE WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY TONIGHT. 15
In the hours before
Special weather statement, May 25, 3:20 PM CDT, 4 hours 15 minutes before
TXZ154-155-170-022040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 320 PM CDT SUN MAY 25 2003 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN WEST CENTRAL TEXAS... MCCULLOCH...SAN SABA AND MASON. THE SYSTEM WHICH PROMPTED THE WATCH HAS NOW MOVED OFF TO THE SOUTHEAST OF THE FORECAST AREA. 24
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 8:04 PM CDT | Severe Thunderstorm Warning | SJT | Sutton | 56 min |
| May 25, 8:08 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 52 min |
| May 25, 8:38 PM CDT | Flash Flood Warning | SJT | Crockett | 3 hr |
| May 25, 8:42 PM CDT | Severe Thunderstorm Warning | SJT | Schleicher | 63 min |
| May 25, 9:26 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 64 min |
| May 25, 11:14 PM CDT | Flash Flood Warning | SJT | Sutton | 3 hr |
| May 25, 11:41 PM CDT | Flash Flood Warning | SJT | Schleicher | 2 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.