Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 16, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at May 25, 2002, 7:22 PM CDT for Coke County, Texas. It was in force for 4 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, 2002, 7:22 PM CDT (00:22 UTC)
- Expired
- May 25, 2002, 11:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Coke 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
Midland Regional, TX (KMAF), launched 00:00Z, 0.4 hours before the alert went out and 150 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
- 2604 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 10.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KSJT 260022 CCA FFWSJT TXC081-260400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING...CORRECTED FOR SPENCE RESERVOIR NATIONAL WEATHER SERVICE SAN ANGELO TX 705 PM CDT SAT MAY 25 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... COKE COUNTY IN SOUTHWEST TEXAS * UNTIL 1100 PM CDT * AT 700 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN NEAR SILVER AND OVER THE E V SPENCE RESERVOIR... OR ABOUT 10 MILES NORTHWEST OF ROBERT LEE. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY. * RAINFALL TOTALING 3 TO 5 INCHES HAS FALLEN AROUND SILVER. ADDITIONAL RAINFALL UP TO 4 INCHES EXPECTED NEAR SILVER AND THE E V SPENCE RESERVOIR THROUGH 11 PM CDT. THIS RAINFALL WILL CAUSE 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. LAT...LON 3207 10081 3189 10083 3181 10028 3206 10030
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, 3:06 PM CDT, 4 hours 16 minutes earlier.
Area forecast discussion, May 25, 3:06 PM CDT, 4 hours 16 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 306 PM CDT SAT MAY 25 2002 COLD FRONT HAS STALLED ALONG A STERLING CITY...WINTERS...CROSS PLAINS LINE AT 20Z...WITH TEMPERATURES IN THE 70S TO THE NORTH AND 80S TO THE SOUTH. CLEARING FROM EAST TO WEST HAD TAKEN PLACE SOUTH OF THE FRONT...DUE TO OUTFLOW FROM A SEVERE THUNDERSTORM THAT MOVE THROUGH BROWN COUNTY MID MORNING. ATMOSPHERE WAS UNSTABLE AGAIN TODAY. 17Z SATELLITE BASE CAPES IN OUR SOUTHEASTERN ZONES WERE AROUND 2500 J/KG. TOWARD THE BIG BEND AND TRANSPECOS CAPES WERE 4500 J/KG. CAP WAS NEARLY NON EXISTANT WITH SATELLITE BASED CINH VALUES CLOSE TO ZERO. BEST CHANCES OF STORM DEVELOPMENT ARE ALONG AND SOUTH OF THE FRONT TODAY. FRONT AND OLD THUNDERSTORM BOUNDARIES WILL HELP INITIATE STORMS. ALSO...STORMS THAT FORM IN THE TRANSPECOS AREAS WILL MOVE EAST INTO EDWARDS PLATEAU. WITH FAIRLY WEAK WINDS ALOFT...STORM SPEED WILL BE SLOW SO THERE WILL BE THE THREAT OF LOCALLY HEAVY RAINS. SINCE ITS BEEN SO DRY IN THE CONCHO VALLEY...EDWARDS PLATEAU AND HEARTLAND FOR THE MONTH OF MAY...WILL NOT PUT OUT A FLASH FLOOD WATCH AT THIS TIME HOWEVER. HAIL WILL AGAIN BE THE BIGGEST THREAT. THOUGH SMALL...WITH WEAK VERTICAL SHEAR ALONG FRONT (LIGHT NORTH EAST WINDS NEAR SURFACE TO SOUTH ALOFT) THERE IS A THAN OF A COUPLE ROTATING STORMS. SUNDAY NIGHT...SOME UPPER LEVEL DIVERGENCE INDICATED AS A SHORTWAVE MOVES NORTHEAST THROUGH NEW MEXICO...THEN MOVES EAST ACROSS THE TEXAS PANHANDLE ON MONDAY. WESTERN SECTIONS ARE MORE FAVORED FOR THUNDERSTORMS SUNDAY NIGHT...WITH THE BIG COUNTRY HAVING THE BEST CHANCE OF THUNDERSTORMS ON MEMORIAL DAY. A SLIGHT CHANCE OF STORMS WILL EXIST TUESDAY THROUGH SATURDAY...AS WEST CENTRAL TEXAS WILL HAVE NORTH/NORTHWEST FLOW ALOFT. PRELIMS... ABI 060/082/064/083/066 3243 SJT 066/084/065/084/067 7232 JCT 067/085/065/087/067 7222 .SJT...NONE. 04
In the hours before
Special weather statement, May 25, 1:53 PM CDT, 5 hours 29 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-252245- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 153 PM CDT SAT MAY 25 2002 SPOTTER ACTIVATION MAY BE REQUIRED. LARGE HAIL...DAMAGING WINDS...AND LOCALLY HEAVY RAIN ARE POSSIBLE. A MOIST AND UNSTABLE ATMOSPHERE WILL RESIDE OVER WEST CENTRAL TEXAS THIS HOLIDAY WEEKEND. A WEAK COLD FRONT WILL PROVIDE THE FOCUS FOR THUNDERSTORM DEVELOPMENT AS IT HAS STALLED ACROSS THE CONCHO VALLEY AND HEARTLAND THIS AFTERNOON. AN UPPER LEVEL DISTURBANCE WILL ENHANCE THUNDERSTORM ACTIVITY ALONG THE STALLED FRONTAL BOUNDARY TONIGHT. WITH NUMEROUS BOUNDARIES...DEEP MOISTURE AND UPPER SUPPORT...THERE IS NO DOUBT SEVERE STORMS WILL POP UP SOMEWHERE IN W CENTRAL TEXAS THIS EVENING AND TONIGHT. THE MAIN THREAT FOR SEVERE WEATHER WILL INCLUDE THE CONCHO VALLEY...THE HEARTLAND...EDWARDS PLATEAU...AND THE NORTHWEST HILL COUNTRY. THERE MAY BE A FEW STORMS ACROSS THE BIG COUNTRY...BUT THE MAIN THREAT APPEARS INCLUDES THE FOLLOWING CITIES...OZONA...SONORA...SAN ANGELO...BALLINGER...BROWNWOOD... BRADY...MENARD...JUNCTION AND MASON. FOR ADDITIONAL INFORMATION PLEASE SEE STATEMENTS AND OUTLOOKS FROM NATIONAL WEATHER SERVICE OFFICES ACROSS TEXAS...OKLAHOMA...AND NEW MEXICO. 25
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:06 PM CDT | Flash Flood Warning | SJT | Coke | 4 hr |
| May 25, 7:40 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch | 65 min |
| May 25, 8:10 PM CDT | Flash Flood Warning | SJT | Runnels | 3 hr |
| May 25, 8:22 PM CDT | Flash Flood Warning | SJT | McCulloch | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002
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.