Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 8, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at May 25, 2003, 11:14 PM CDT for Sutton 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
- May 25, 2003, 11:14 PM CDT (04:14 UTC)
- Expired
- May 26, 2003, 2:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Sutton 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, 4.2 hours before the alert went out and 131 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 260416 FFWSJT TXC435-260715- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1114 PM CDT SUN MAY 25 2003 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... SUTTON COUNTY IN SOUTHWEST TEXAS * UNTIL 215 AM CDT * AT 1110 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN MOVING NORTHEAST ACROSS SUTTON COUNTY. * RAINFALL TOTALING 2 TO 4 INCHES HAS ALREADY FALLEN TO THE WEST AND SOUTHWEST OF SONORA. ADDITIONAL RAINFALL OF 1 TO 2 INCHES WILL OCCUR. 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. 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 3068 10093 3031 10092 3032 10016 3068 10015 $$ 19
2 follow-up statements
000 WGUS74 KSJT 260550 FFSSJT TXC435-260715- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 1248 AM CDT MON MAY 26 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SUTTON COUNTY UNTIL 215 AM CDT... THE SUTTON COUNTY SHERIFF OFFICE REPORTED STREET FLOODING IN SONORA. DOPPLER RADAR ESTIMATES THAT RAINFALL AMOUNTS OF 2.5 TO 4 INCHES HAVE OCCURRED OVER AREAS OF CENTRAL AND WESTERN SUTTON COUNTY... WITH ISOLATED 4 TO 5 INCH AMOUNTS JUST SOUTHWEST OF SONORA. AT 1245 AM...RADAR INDICATESD THAT THE STORMS WITH THE HEAVIEST RAINFALL HAD MOVED EASTWARD OUT OF SUTTON COUNTY. OTHER STORMS WITH MODERATE RAIN WILL CONTINUE THROUGH 200 AM. ADDITIONAL RAINFALL UP TO ONE HALF INCH IS EXPECTED. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. $$ 19
000 WGUS74 KSJT 260552 CCA FFSSJT TXC435-260715- FLASH FLOOD STATEMENT...CORRECTED NATIONAL WEATHER SERVICE SAN ANGELO TX 1249 AM CDT MON MAY 26 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SUTTON COUNTY UNTIL 215 AM CDT... THE SUTTON COUNTY SHERIFF OFFICE REPORTED STREET FLOODING IN SONORA. DOPPLER RADAR ESTIMATES THAT RAINFALL AMOUNTS OF 2.5 TO 4 INCHES HAVE OCCURRED OVER AREAS OF CENTRAL AND WESTERN SUTTON COUNTY... WITH ISOLATED 4 TO 5 INCH AMOUNTS JUST SOUTHWEST OF SONORA. AT 1245 AM...RADAR INDICATED THAT THE STORMS WITH THE HEAVIEST RAINFALL HAD MOVED EAST OUT OF SUTTON COUNTY. OTHER STORMS WITH MODERATE RAIN WILL CONTINUE THROUGH 200 AM. ADDITIONAL RAINFALL UP TO ONE HALF INCH IS EXPECTED. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 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. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. $$ 19
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 May 25, 9:30 PM CDT, 1 hour 44 minutes earlier.
Area forecast discussion, May 25, 9:30 PM CDT, 1 hour 44 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE SAN ANGELO TX 930 PM CDT SUN MAY 25 2003 RADAR/SATELLITE TRENDS SHOW DEVELOPING MCS IN OUR SOUTHWESTERN COUNTIES. THIS IN AREA OF QUITE STRONG MOISTURE FLUX CONVERGENCE AND UPPER LEVEL DIVERGENCE. THUNDERSTORM COMPLEX MOVING SLOWLY EAST AND NORTHEAST...BUT LIKELY TO STALL AS IT PUSHES INTO SOUTHERN CONCHO VALLEY. VERY HEAVY RAINFALL OF 1-2.5 INCHES PER HOUR OCCURRING WITH THE CONVECTION. WILL ISSUE FLASH FLOOD WATCH FOR NORTHERN EDWARDS PLATEAU AND SOUTHERN CONCHO VALLEY REST OF TONIGHT. WILL CLOSELY MONITOR AREAS FARTHER EAST FOR FLASH FLOOD POTENTIAL OVERNIGHT. 19 200 PM DISCUSSION... 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, 8 hours 44 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, 9:56 PM CDT, 1 hour 18 minutes before
TXZ064>066-071>073-076>078-139-140-154-155-168>170-260401- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 956 PM CDT SUN MAY 25 2003 ...STRONG WINDS AND HEAVY RAIN HEADED FOR SAN ANGELO... CHRISTOVAL...AND MERTZON... AT 955 PM CDT...RADAR SHOWED THE LEADING EDGE OF STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAIN AND STRONG WIND GUSTS OF 45 TO 50 MPH LOCATED FROM MERTZON TO CHRISTOVAL...OR ABOUT 15 MILES SOUTH OF SAN ANGELO. A FLASH FLOOD WATCH IS IN EFFECT FOR PARTS OF THE CONCHO VALLEY AND EDWARDS PLATEAU. REMEMBER MOST FLASH FLOOD DEATHS OCCUR AT NIGHT. IF YOU ENCOUNTER A FLOODED LOW WATER CROSSING...TURN AROUND DONT DROWN. GUERRERO
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:35 PM CDT | Flash Flood Warning | SJT | Tom Green | 115 min |
| 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, 11:41 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.