Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 68, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Sep 11, 2003, 12:45 PM CDT for Shackelford 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 11, 2003, 12:45 PM CDT (17:45 UTC)
- Expired
- Sep 11, 2003, 3:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Shackelford 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
Fort Worth, TX (KFWD), launched 12:00Z, 5.8 hours before the alert went out and 199 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
- 1288 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KSJT 111746 FFWSJT TXC417-112045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1245 PM CDT THU SEP 11 2003 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... SHACKELFORD COUNTY IN WEST CENTRAL TEXAS * UNTIL 345 PM CDT * AT 1245 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS SOUTHERN SHACKELFORD COUNTY FROM STATE HIGHWAY 351...EASTWARD TO MORAN. THE HEAVY RAIN WAS MOVING NORTHEAST AT 20 MPH. * RAINFALL TOTALING ONE TO TWO INCHES HAS FALLEN IN THE WARNED AREA...WITH ADDITIONAL RAINFALL UP TO TWO INCHES EXPECTED THROUGH 230 PM CDT 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 3266 9958 3255 9958 3257 9914 3271 9912 $$
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 11, 11:25 AM CDT, 1 hour 20 minutes earlier.
Area forecast discussion, Sep 11, 11:25 AM CDT, 1 hour 20 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 1125 AM CDT THU SEP 11 2003 COLD FRONT CURRENTLY FROM EAST OF CHILDRESS TO NEAR MIDLAND. THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP ON SOUTHWEST SIDE OF MCS THIS AFTERNOON FROM ABILENE TO SWEETWATER...AND ACROSS WESTERN CONCHO VALLEY...AS SURFACE HEATING OCCURS AND CONVERGENCE SHARPENS. WE ARE CONSIDERING A FLOOD WATCH FOR TONIGHT ACROSS SOUTHEAST COUNTIES. ZONES TO BE UPDATED SHORTLY...ADJUSTING POPS AND TEMPERATURES. .SJT...NONE. 14
Hazardous weather outlook, Sep 11, 5:40 AM CDT, 7 hours 5 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-121000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 540 AM CDT THU SEP 11 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS. .DAY ONE... A SLOW MOVING COLD FRONT WILL MOVE INTO THE THE BIG COUNTRY AND CONCHO VALLEY THIS AFTERNOON...AND INTO THE NORTHWEST HILL COUNTRY OVERNIGHT. WITH A MOIST AND UNSTABLE ATMOSPHERE IN PLACE AHEAD OF THE FRONT...SEVERE THUNDERSTORMS ARE POSSIBLE. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN THE AFTERNOON AND EARLY EVENING... MAINLY ALONG AND NORTH OF AN OZONA...SONORA...EDEN...COLEMAN LINE. ABILENE AND SAN ANGELO ARE IN THE SLIGHT RISK AREA. THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING DOWNBURST WINDS OF 60 MPH OR MORE. LOCALLY HEAVY RAINFALL OF 1 TO 4 INCHES WILL ALSO BE POSSIBLE ALONG THE FRONT. THERE IS THE POTENTIAL FOR FLOODING OF LOW LYING AREAS AND LOW WATER CROSSINGS. .DAYS TWO THROUGH SEVEN... THE POTENTIAL FOR LOCALLY HEAVY RAINS WILL CONTINUE FRIDAY MORNING NEAR THE COLD FRONT...FROM JUNCTION TO MASON TO SAN SABA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. 04
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 9:15 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 60 min |
| Sep 10, 10:19 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 26 min |
| Sep 11, 5:00 PM CDT | Flash Flood Warning | SJT | Mason | 6 hr |
| Sep 11, 5:12 PM CDT | Flash Flood Warning | SJT | McCulloch | 3 hr |
| Sep 11, 6:30 PM CDT | Flash Flood Warning | SJT | Menard | 5 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.