Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 59, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 24, 2011, 3:48 PM CDT for Jones County, Taylor County, Texas. It was in force for 42 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
- Apr 24, 2011, 3:48 PM CDT (20:48 UTC)
- Expired
- Apr 24, 2011, 4:30 PM CDT
- In force
- 42 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
Counties Jones County, TX, Taylor County, TX
The radar
The Dyess AFB radar (KDYX), 59 km from the middle of the area, began a volume at 20:48 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 24, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 8.8 hours before the alert went out and 227 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
- 1567 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 706 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.6
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 Apr 24, 12:48 PM CDT, 3 hours earlier.
Area forecast discussion, Apr 24, 12:48 PM CDT, 3 hours before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 1248 PM CDT SUN APR 24 2011 .UPDATE... SEE 18Z AVIATION DISCUSSION BELOW. && .AVIATION... AFTERNOON AND EVENING CONCERNS WITH THUNDERSTORM CHANCES WILL STILL BE THE MAIN ISSUE IN THE TERMINALS TODAY. CU FIELD DEVELOPING ALONG THE STATIONARY BOUNDARY JUST SOUTH OF ABILENE AND SWEETWATER...AN EXPECT STORMS TO DEVELOP IN THAT AREA BY 21Z. NOT SURE JUST HOW WIDESPREAD THEY WILL BE...BUT ENOUGH TO MENTION A VCTS AND A CB GROUP FOR THE AFTERNOON AT KABI. FARTHER SOUTH...CU FIELD IS JUST NOW STARTING TO BECOME MORE ENHANCED ACROSS THE CONCHO VALLEY AS WELL...SO A FEW STORMS APPROACHING KSJT WILL ALSO BE POSSIBLE. TO THE SOUTHEAST...MVFR CIGS WITH STRATUS SHOULD CONTINUE FOR SEVERAL MORE HOURS...BEFORE BREAKING AND LIFTING. MORE ISOLATED CONVECTION LIKELY DOWN NEAR KJCT AND KBBD...AND PROBABLY WONT START UNTO LATER THIS AFTERNOON. BY MONDAY MORNING...DRYLINE PUSHING RAPIDLY EAST ACROSS THE AREA WILL BEGIN TO BRING GUSTY WESTERLY WINDS TO CENTRAL AND WESTERN AREAS. MVFR CIGS WILL PERSIST THROUGH THE END OF THIS FORECAST AT 18Z T KJCT AND KBBD...BUT WILL RAPIDLY CLEAR MONDAY AFTERNOON. && .PREV DISCUSSION... /ISSUED 601 AM CDT SUN APR 24 2011/ AVIATION... /12Z UPDATE/ MVFR CEILINGS WILL CONTINUE OVER ALL TERMINALS UNTIL AROUND NOON. SOUTHERN WINDS WILL INCREASE TO 10-15KTS WITH GUSTS TO AROUND 20KTS BY EARLY AFTERNOON. AN UPPER LEVEL STORM SYSTEM APPROACHING FROM THE WEST WILL INTERACT WITH A STALLED FRONTAL BOUNDARY OVER THE BIG COUNTRY AND A DRYLINE OVER WESTERN SECTIONS OF WEST CENTRAL TEXAS TO INITIATE THUNDERSTORM ACTIVITY BY 21Z. DISCRETE SUPERCELLS ARE POSSIBLE WITH LARGE HAIL AND DAMAGING WINDS. THIS ACTIVITY COULD POSSIBLE AFFECT SOME IF NOT ALL TERMINALS THROUGH THE AFTERNOON AND EARLY EVENING HOURS. HAVE INCLUDED A CB GROUP IN ALL TERMINALS FORECASTS. && .PRELIMINARY POINT TEMPS/POPS... ABILENE 78 63 89 57 93 / 30 30 10 10 10 SAN ANGELO 84 62 93 57 98 / 30 30 10 10 0 JUNCTION 82 66 93 59 95 / 30 30 10 10 10 && .SJT WATCHES/WARNINGS/ADVISORIES... NONE. && 07
Hazardous weather outlook, Apr 24, 3:19 AM CDT, 12 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 319 AM CDT SUN APR 24 2011 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-250830- 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- 319 AM CDT SUN APR 24 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT THE THREAT OF SEVERE WEATHER WILL CONTINUE ACROSS MOST OF WEST CENTRAL TEXAS THIS AFTERNOON AND INTO TONIGHT. VERY LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY THREATS WITH ISOLATED TORNADOES A SECONDARY THREAT. DANGEROUS LIGHTNING AND LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED LATER THIS AFTERNOON AND CONTINUE THROUGH THE EVENING HOURS.
In the hours before
Special weather statement, Apr 24, 2:35 PM CDT, 1 hour 13 minutes before
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</html>Local storm report, Apr 24, 3:48 PM CDT, 0 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 |
|---|---|---|---|---|
| Apr 23, 9:00 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 45 min |
| Apr 23, 9:39 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 51 min |
| Apr 23, 10:29 PM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman | 46 min |
| Apr 24, 1:35 PM CDT | Fire Weather Watch | SJT | Coke, Crockett, Fisher, Haskell, Irion, Jones and 5 more | 7 hr |
| Apr 24, 3:12 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford | 63 min |
| Apr 24, 3:35 PM CDT | Tornado Warning | SJT | Callahan, Shackelford | 25 min |
| Apr 24, 3:52 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Nolan, Taylor | 38 min |
| Apr 24, 3:56 PM CDT | Tornado Warning | SJT | Shackelford | 49 min |
| Apr 24, 4:03 PM CDT | Tornado Warning | SJT | Taylor | 42 min |
| Apr 24, 4:22 PM CDT | Tornado Warning | SJT | Callahan, Jones, Taylor | 38 min |
| Apr 24, 4:27 PM CDT | Tornado Warning | SJT | Callahan, Shackelford, Taylor | 48 min |
| Apr 24, 4:44 PM CDT | Areal Flood Advisory | SJT | Taylor | 91 min |
| Apr 24, 5:00 PM CDT | Tornado Warning | SJT | Callahan, Shackelford, Taylor | 45 min |
| Apr 24, 5:10 PM CDT | Tornado Warning | SJT | Callahan, Shackelford | 20 min |
| Apr 24, 5:25 PM CDT | Tornado Warning | SJT | Callahan, Shackelford | 65 min |
| Apr 24, 5:28 PM CDT | Flash Flood Warning | SJT | Callahan, Shackelford, Taylor | 3 hr |
| Apr 24, 5:31 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Jones, Shackelford, Taylor | 44 min |
| Apr 24, 5:52 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Nolan, Runnels, Taylor | 38 min |
| Apr 24, 6:14 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford, Taylor | 61 min |
| Apr 24, 6:33 PM CDT | Tornado Warning | SJT | Callahan, Coleman, Runnels, Taylor | 57 min |
| Apr 24, 6:46 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Nolan, Runnels, Taylor | 33 min |
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.