Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 141, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Aug 18, 2007, 4:30 AM CDT for Schleicher County, Sutton County, Texas. It took effect at Aug 18, 2007, 4:35 AM CDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 18, 2007, 4:30 AM CDT (09:30 UTC)
- In effect from
- Aug 18, 2007, 4:35 AM CDT
- Expired
- Aug 18, 2007, 10:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
Counties Schleicher County, TX, Sutton County, TX
The radar
The San Angelo radar (KSJT), 75 km from the middle of the area, began a volume at 09:30 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 9.5 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
- 2781 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1575 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 18, 2:03 AM CDT, 2 hours 27 minutes earlier.
Area forecast discussion, Aug 18, 2:03 AM CDT, 2 hours 27 minutes before
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</html>Hazardous weather outlook, Aug 17, 2:12 PM CDT, 14 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 212 PM CDT FRI AUG 17 2007 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-181915- FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO- CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD- TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE- MASON- 212 PM CDT FRI AUG 17 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT LOOK FOR THE POTENTIAL FOR HEAVY RAINFALL AND ASSOCIATED FLASH FLOODING TO CONTINUE ACROSS MOST OF WEST CENTRAL TEXAS. RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE. HOWEVER...SOME LOCATIONS MAY RECEIVE AN ADDITIONAL 3 TO 6 INCHES...ESPECIALLY WEST OF A LINE FROM JUNCTION...TO EDEN...TO ABILENE...TO HASKELL. IN ADDITION TO FLASH FLOODING...CREEKS AND DRAWS MAY RISE ABOVE THEIR ABILITY TO CONTAIN ADDITION RUNOFF. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AS WHAT REMAINS OF TROPICAL STORM ERIN CONTINUES TO MOVE SLOWLY NORTHWEST...SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS WEST CENTRAL TEXAS THROUGH THE WEEKEND. FLASH FLOODING WILL CONTINUE TO BE THE MAIN THREAT...ESPECIALLY FOR THOSE AREAS OF WEST CENTRAL TEXAS NORTHWEST OF A LINE FROM SONORA TO BROWNWOOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...WE ENCOURAGE ALL SPOTTERS AND RAINFALL OBSERVERS TO REPORT FLOODING OR HEAVY RAINFALL. 23/HUBER
In the hours before
Special weather statement, Aug 18, 2:03 AM CDT, 2 hours 27 minutes before
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</html>The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 7:03 PM CDT | Flash Flood Warning | SJT | Jones, Taylor | 117 min |
| Aug 17, 8:41 PM CDT | Flash Flood Warning | SJT | Jones, Taylor | 2 hr |
| Aug 17, 9:00 PM CDT | Flash Flood Warning | SJT | Coke, Runnels, Tom Green | 2 hr |
| Aug 17, 9:30 PM CDT | Flash Flood Warning | SJT | Schleicher, Sutton | 3 hr |
| Aug 17, 10:14 PM CDT | Flash Flood Warning | SJT | Fisher, Haskell, Jones, Nolan, Taylor | 6 hr |
| Aug 17, 10:31 PM CDT | Flash Flood Warning | SJT | Coke, Concho, Runnels, Tom Green | 6 hr |
| Aug 17, 11:31 PM CDT | Flash Flood Warning | SJT | Crockett | 4 hr |
| Aug 17, 11:54 PM CDT | Flash Flood Warning | SJT | Schleicher, Sutton | 5 hr |
| Aug 18, 2:44 AM CDT | River Flood Warning | SJT | Tom Green | 19 hr |
| Aug 18, 3:28 AM CDT | Flash Flood Warning | SJT | Crockett | 4 hr |
| Aug 18, 3:55 AM CDT | Flash Flood Warning | SJT | Fisher, Nolan | 6 hr |
| Aug 18, 3:55 AM CDT | Flash Flood Warning | SJT | Callahan, Jones, Shackelford, Taylor | 6 hr |
| Aug 18, 4:11 AM CDT | Flash Flood Warning | SJT | Haskell, Throckmorton | 6 hr |
| Aug 18, 4:20 AM CDT | Flash Flood Warning | SJT | Coke, Concho, Irion, Runnels, Tom Green | 6 hr |
| Aug 18, 8:42 AM CDT | River Flood Warning | SJT | Shackelford, Throckmorton | 24 hr |
| Aug 18, 9:59 AM CDT | Flash Flood Warning | SJT | Fisher, Jones, Nolan, Taylor | 6 hr |
| Aug 18, 10:16 AM CDT | Flash Flood Warning | SJT | Haskell | 4 hr |
| Aug 18, 11:11 AM CDT | River Flood Warning | SJT | Runnels | 38 hr |
| Aug 18, 2:16 PM CDT | Flash Flood Warning | SJT | Haskell | 4 hr |
| Aug 18, 3:59 PM CDT | Flash Flood Warning | SJT | Fisher, Jones, Nolan, Taylor | 4 hr |
Nearby
Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007
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; radar from the NEXRAD Level II archive.