Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 121, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 24, 2011, 11:14 PM CDT for McCulloch County, Mason County, San Saba County, Texas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 24, 2011, 11:14 PM CDT (04:14 UTC)
- Expired
- May 25, 2011, 12:00 AM CDT
- In force
- 46 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
Counties Mason County, TX, McCulloch County, TX, San Saba County, TX
The radar
The San Angelo radar (KSJT), 135 km from the middle of the area, began a volume at 04:13 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 00:00Z, 4.2 hours before the alert went out and 266 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
- 2867 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1457 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 357 m²/s²
- 0-3 km storm-relative helicity
- 602 m²/s²
- Significant tornado parameter
- 6.2
- Supercell composite
- 44.3
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 24, 8:40 PM CDT, 2 hours 34 minutes earlier.
Area forecast discussion, May 24, 8:40 PM CDT, 2 hours 34 minutes before
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</html>Hazardous weather outlook, May 24, 2:14 PM CDT, 9 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 214 PM CDT TUE MAY 24 2011 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-251915- 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- 214 PM CDT TUE MAY 24 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT A POTENT UPPER LEVEL STORM SYSTEM WILL MOVE INTO THE CENTRAL PANHANDLE THIS EVENING AND A DRYLINE WILL PUSH EAST THROUGH WEST CENTRAL TEXAS THROUGH EARLY EVENING. THERE IS A TORNADO WATCH IN EFFECT THROUGH 10PM TONIGHT AS THE DRYLINE MOVES INTO THE EASTERN BIG COUNTRY. ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE THIS AFTERNOON AND EVENING ACROSS MUCH OF THE HEARTLAND AND NORTHWEST HILL COUNTRY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NEAR CRITICAL FIRE WEATHER CONDITIONS CAN BE EXPECTED WEDNESDAY AND THEN AGAIN ON FRIDAY AND SATURDAY...AS STRONG WINDS COMBINE WITH VERY DRY AIR. A FIRE WEATHER WATCH IS IN EFFECT FOR MUCH OF THE CONCHO VALLEY AND BIG COUNTRY WEDNESDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING FOR THE EASTERN BIG COUNTRY...THE HEARTLAND AND NORTHWEST HILL COUNTRY.
In the hours before
Local storm report, May 24, 10:21 PM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1021 PM CDT TUE MAY 24 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1018 PM WILDFIRE 3 W ALBANY 32.73N 99.35W
05/24/2011 E2000 ACRE SHACKELFORD TX LAW ENFORCEMENT
&&
EVENT NUMBER SJT1100196
MCSpecial weather statement, May 24, 10:56 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 1056 PM CDT TUE MAY 24 2011 TXZ154-155-250500- MCCULLOCH TX-SAN SABA TX- 1056 PM CDT TUE MAY 24 2011 ...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL MIDNIGHT CDT FOR MCCULLOCH AND SAN SABA COUNTIES... AT 1049 PM CDT...STRONG THUNDERSTORMS WERE QUICKLY DEVELOPING FROM NEAR RICHLAND SPRINGS SOUTHWEST TO NEAR BRADY...MOVING EAST AT 40 MPH. THE STRONGEST STORM WILL APPROACH SAN SABA. NICKEL SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THESE STORMS. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS...ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER ACTIONS SHOULD A WARNING BE ISSUED.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 11:04 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 41 min |
| May 25, 3:15 AM CDT | Red Flag Warning | SJT | Callahan, Coke, Fisher, Haskell, Jones, Nolan and 4 more | 16 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2011Every severe thunderstorm warning in 2011
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.