Alert archive / Texas / Red Flag Warnings in 2009
Red Flag Warning 17, NWS San Angelo, TX
NWS San Angelo, TX issued this red flag warning at Apr 1, 2009, 2:46 PM CDT for 24 counties in Texas. It took effect at Apr 2, 2009, 7:00 AM CDT. It was in force for 10 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
- Apr 1, 2009, 2:46 PM CDT (19:46 UTC)
- In effect from
- Apr 2, 2009, 7:00 AM CDT
- Expired
- Apr 2, 2009, 5:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS San Angelo, TX
All 24 counties
Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crockett County, TX, Fisher County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Kimble County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Nolan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 63 km from the middle of the area, began a volume at 19:47 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
Fort Worth, TX (KFWD), launched 12:00Z, 7.8 hours before the alert went out and 280 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2577 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 395 m²/s²
- 0-3 km storm-relative helicity
- 412 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag 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 red flag warning went out at Apr 1, 12:40 PM CDT, 2 hours 6 minutes earlier.
Area forecast discussion, Apr 1, 12:40 PM CDT, 2 hours 6 minutes before
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</html>Hazardous weather outlook, Apr 1, 6:52 AM CDT, 7 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE SAN ANGELO TX 652 AM CDT WED APR 1 2009 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-020900- 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- 652 AM CDT WED APR 1 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT A RED FLAG WARNING IS IN EFFECT FROM LATE MORNING TO EARLY EVENING OVER THE NORTHERN TWO THIRDS OF WEST CENTRAL TEXAS DUE TO EXPECTED CRITICAL FIRE WEATHER CONDITIONS. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS DEVELOPING OVER THE BIG COUNTRY AND THE EASTERN HEARTLAND AFTER MIDNIGHT AS A COLD FRONT MOVES THROUGH THE AREA. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A FIRE WEATHER WATCH IS IN EFFECT THURSDAY FOR THE SOUTHERN TWO THIRDS OF WEST CENTRAL TX DUE TO EXPECTED CRITICAL FIRE WEATHER CONDITIONS. NEAR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO CONTINUE FRIDAY AND SATURDAY AS ANOTHER STORM SYSTEM MOVES THROUGH THE PLAINS. FIRE DANGER CONDITIONS ARE EXPECTED TO REMAIN AT LEAST ELEVATED EARLY NEXT WEEK AS AN ACTIVE...BUT DRY...EARLY SPRING PATTERN CONTINUES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 15
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 3:45 AM CDT | Lake Wind Advisory | SJT | Brown, Coke, Coleman, Concho, Haskell, Jones and 4 more | 15 hr |
| Apr 1, 3:46 AM CDT | Red Flag Warning | SJT | Callahan, Coke, Coleman, Concho, Fisher, Haskell and 9 more | 15 hr |
| Apr 1, 11:33 AM CDT | Wind Advisory | SJT | Callahan, Fisher, Haskell, Jones, Nolan, Shackelford and 2 more | 6 hr |
Nearby
Red Flag Warnings in Texas, 2009Every red flag warning in 2009
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.