Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 21, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 7, 2012, 4:46 PM CDT for 4 counties in Texas. It was in force for 44 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 7, 2012, 4:46 PM CDT (21:46 UTC)
- Expired
- Apr 7, 2012, 5:30 PM CDT
- In force
- 44 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
Counties Fisher County, TX, Jones County, TX, Nolan County, TX, Taylor County, TX
The radar
The Dyess AFB radar (KDYX), 81 km from the middle of the area, began a volume at 21:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 7, 5:18 PM CDT | HAIL 1 | Trent, TX | PEA TO QUARTER SIZED HAIL IN TRENT. RELAYED THROUGH TAYLOR COUNTY SHERIFF OFFICE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 7, 3:01 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 9.8 hours before the alert went out and 207 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
- 993 J/kg
- Mixed-layer CIN
- -242 J/kg
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
904 WUUS54 KSJT 072146 SVRSJT TXC151-253-353-441-072230- /O.NEW.KSJT.SV.W.0021.120407T2146Z-120407T2230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 446 PM CDT SAT APR 7 2012 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN FISHER COUNTY IN WEST CENTRAL TEXAS... SOUTHWESTERN JONES COUNTY IN WEST CENTRAL TEXAS... NORTHEASTERN NOLAN COUNTY IN WEST CENTRAL TEXAS... NORTHWESTERN TAYLOR COUNTY IN WEST CENTRAL TEXAS... * UNTIL 530 PM CDT * AT 442 PM CDT...A SEVERE THUNDERSTORM WAS 4 MILES NORTHEAST OF TRENT...OR 18 MILES SOUTHWEST OF ANSON...MOVING SOUTH AT 10 MPH. SOME HIGHWAYS IN THE PATH OF THIS STORM INCLUDE INTERSTATE HIGHWAY 20 BETWEEN SWEETWATER AND ABILENE. STORM HAZARDS INCLUDE... GOLF BALL SIZE HAIL. WITH POSSIBLE STORM IMPACTS... NUMEROUS VEHICLE DENTS... MODERATE TO SIGNIFICANT ROOF AND PLASTIC SIGN DAMAGE... SOME EXPOSED HOME AND VEHICLE WINDOWS WILL CRACK OR BREAK... INJURY TO UNPROTECTED PEOPLE AND ANIMALS... POTENTIALLY DEADLY LIGHTNING. * THE SEVERE THUNDERSTORM WILL BE NEAR... TRENT BY 500 PM CDT... MERKEL BY 515 PM CDT... THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 244 AND 269. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3267 10000 3243 9990 3241 10035 3265 10035 TIME...MOT...LOC 2145Z 350DEG 10KT 3254 10009 $$ DANIELS
2 follow-up statements
742 WWUS54 KSJT 072200 SVSSJT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 500 PM CDT SAT APR 7 2012 TXC151-253-353-441-072230- /O.CON.KSJT.SV.W.0021.000000T0000Z-120407T2230Z/ FISHER TX-JONES TX-NOLAN TX-TAYLOR TX- 500 PM CDT SAT APR 7 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR NORTHWESTERN TAYLOR...NORTHEASTERN NOLAN...SOUTHWESTERN JONES AND SOUTHEASTERN FISHER COUNTIES... AT 457 PM CDT... A SEVERE THUNDERSTORM WAS LOCATED NEAR TRENT...OR 19 MILES EAST OF SWEETWATER...MOVING SOUTH AT 10 MPH. SOME HIGHWAYS IN THE PATH OF THIS STORM INCLUDE INTERSTATE 20 BETWEEN SWEETWATER AND ABILENE AND RANCH ROAD 1085. STORM HAZARDS INCLUDE... LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. HAIL DAMAGING WINDS IN EXCESS OF 60 MPH. WITH POSSIBLE STORM IMPACTS... DENTED VEHICLES... MODERATE ROOF DAMAGE... MAY BREAK WINDOWS ON VEHICLES AND HOMES... MAY INJURE PEOPLE...PETS...AND LIVESTOCK LEFT UNPROTECTED... DAMAGE TO TREE LIMBS... LIGHT OBJECTS BLOWN AROUND... THE SEVERE THUNDERSTORM WILL BE NEAR... MERKEL BY 515 PM CDT... THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 244 AND 269. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3267 10000 3243 9990 3241 10035 3265 10035 TIME...MOT...LOC 2159Z 350DEG 10KT 3250 10008 $$ DANIELS
643 WWUS54 KSJT 072219 SVSSJT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 519 PM CDT SAT APR 7 2012 TXC151-253-353-441-072230- /O.CON.KSJT.SV.W.0021.000000T0000Z-120407T2230Z/ FISHER TX-JONES TX-NOLAN TX-TAYLOR TX- 519 PM CDT SAT APR 7 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR NORTHWESTERN TAYLOR...NORTHEASTERN NOLAN...SOUTHWESTERN JONES AND SOUTHEASTERN FISHER COUNTIES... AT 516 PM CDT... A SEVERE THUNDERSTORM WAS LOCATED NEAR MERKEL...OR 20 MILES EAST OF SWEETWATER...MOVING SOUTH AT 10 MPH. SOME HIGHWAYS IN THE PATH OF THIS STORM INCLUDE INTERSTATE HIGHWAY 20 BETWEEN SWEETWATER AND ABILENE AND RANCH ROAD 1085. STORM HAZARDS INCLUDE... LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. HAIL DAMAGING WINDS IN EXCESS OF 60 MPH. WITH POSSIBLE STORM IMPACTS... DENTED VEHICLES... MODERATE ROOF DAMAGE... MAY BREAK WINDOWS ON VEHICLES AND HOMES... MAY INJURE PEOPLE...PETS...AND LIVESTOCK LEFT UNPROTECTED... DAMAGE TO TREE LIMBS... LIGHT OBJECTS BLOWN AROUND... THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF NORTHWESTERN TAYLOR...NORTHEASTERN NOLAN...SOUTHWESTERN JONES AND SOUTHEASTERN FISHER COUNTIES. THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 244 AND 268. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3263 10002 3243 9990 3241 10035 3265 10035 TIME...MOT...LOC 2218Z 350DEG 10KT 3245 10007 $$ DANIELS
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 2:48 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 42 min |
| Apr 7, 3:25 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 50 min |
| Apr 7, 3:58 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 47 min |
| Apr 7, 4:06 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 39 min |
| Apr 7, 4:30 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Sterling | 45 min |
| Apr 7, 4:35 PM CDT | Special Weather Statement | SJT | Jones | 40 min |
| Apr 7, 4:42 PM CDT | Tornado Warning | SJT | Sterling | 33 min |
| Apr 7, 5:11 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 49 min |
| Apr 7, 5:15 PM CDT | Tornado Warning | SJT | Sterling | 30 min |
| Apr 7, 5:29 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 46 min |
| Apr 7, 5:58 PM CDT | Tornado Warning | SJT | Sterling | 32 min |
| Apr 7, 6:00 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 45 min |
| Apr 7, 6:03 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 42 min |
| Apr 7, 6:17 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Nolan, Taylor | 43 min |
| Apr 7, 6:33 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 42 min |
| Apr 7, 6:50 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Taylor | 40 min |
| Apr 7, 6:54 PM CDT | Areal Flood Advisory | SJT | Taylor | 111 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.