Alert archive / Texas / Tornado Warnings in 2011
Tornado Warning 9, NWS San Angelo, TX
NWS San Angelo, TX issued this tornado warning at Apr 21, 2011, 8:56 PM CDT for Jones County, Taylor County, Texas. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 21, 2011, 8:56 PM CDT (01:56 UTC)
- Expired
- Apr 21, 2011, 9:30 PM CDT
- In force
- 34 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), 49 km from the middle of the area, began a volume at 01:56 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 21, 3:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 1.9 hours before the alert went out and 234 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
- 1571 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 1617 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
261 WFUS54 KSJT 220156 TORSJT TXC253-441-220230- /O.NEW.KSJT.TO.W.0009.110422T0156Z-110422T0230Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 856 PM CDT THU APR 21 2011 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN JONES COUNTY IN WEST CENTRAL TEXAS... NORTHEASTERN TAYLOR COUNTY IN WEST CENTRAL TEXAS... * UNTIL 930 PM CDT * AT 851 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS 7 MILES SOUTHWEST OF HAWLEY...OR 14 MILES NORTHWEST OF ABILENE...MOVING EAST AT 20 MPH. IN ADDITION TO DANGEROUS TORNADIC WINDS...OTHER HAZARDS INCLUDE... GOLF BALL SIZE HAIL DAMAGING STRAIGHT LINE WINDS IN EXCESS OF 60 MPH. POTENTIALLY DEADLY LIGHTNING. * THE TORNADO IS EXPECTED TO BE NEAR... HAWLEY BY 905 PM CDT... ABILENE BY 910 PM CDT... HAMBY BY 920 PM CDT... THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 269 AND 292. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3269 9961 3243 9963 3247 10001 3264 10000 TIME...MOT...LOC 0156Z 269DEG 29KT 3256 9988 $$ 12
3 follow-up statements
894 WWUS54 KSJT 220203 SVSSJT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 903 PM CDT THU APR 21 2011 TXC253-441-220230- /O.CON.KSJT.TO.W.0009.000000T0000Z-110422T0230Z/ JONES TX-TAYLOR TX- 903 PM CDT THU APR 21 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR NORTHEASTERN TAYLOR AND SOUTHEASTERN JONES COUNTIES... AT 900 PM CDT...A TORNADO WAS CONFIRMED! THIS TORNADO WAS LOCATED NEAR HODGES...OR 10 MILES NORTHWEST OF ABILENE...MOVING EAST AT 25 MPH. STORM HAZARDS INCLUDE... DANGEROUS TORNADIC WINDS. GOLF BALL SIZE HAIL DAMAGING WINDS IN EXCESS OF 60 MPH. WITH POSSIBLE STORM IMPACTS... OVERTURNED VEHICLES... DAMAGE TO TREES...SOME MAY BE UPROOTED... DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES. DENTED VEHICLES MODERATE ROOF DAMAGE MAY BREAK WINDOWS ON VEHICLES AND HOMES MAY INJURE PEOPLE...PETS...AND LIVESTOCK LEFT UNPROTECTED. DAMAGE TO TREE LIMBS... LIGHT OBJECTS BLOWN AROUND. THE TORNADO WILL BE NEAR... IMPACT AND ABILENE BY 910 PM CDT... HAMBY BY 920 PM CDT... THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 269 AND 292. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3269 9961 3243 9963 3247 10001 3264 10000 TIME...MOT...LOC 0202Z 269DEG 29KT 3256 9982 $$ 12
810 WWUS54 KSJT 220208 SVSSJT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 908 PM CDT THU APR 21 2011 TXC253-441-220230- /O.CON.KSJT.TO.W.0009.000000T0000Z-110422T0230Z/ JONES TX-TAYLOR TX- 908 PM CDT THU APR 21 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR NORTHEASTERN TAYLOR AND SOUTHEASTERN JONES COUNTIES... AT 905 PM CDT...A TORNADO WAS CONFIRMED! THIS TORNADO WAS LOCATED JUST EAST OF STITH...MOVING EAST AT 20 MPH. STORM HAZARDS INCLUDE... DANGEROUS TORNADIC WINDS. GOLF BALL SIZE HAIL DAMAGING WINDS IN EXCESS OF 60 MPH. WITH POSSIBLE STORM IMPACTS... OVERTURNED VEHICLES... DAMAGE TO TREES...SOME MAY BE UPROOTED... DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES. 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 TORNADO WILL BE NEAR... HAMBY BY 920 PM CDT... THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 269 AND 292. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3269 9961 3243 9963 3247 10001 3264 10000 TIME...MOT...LOC 0207Z 269DEG 29KT 3256 9977 $$ 12
262 WWUS54 KSJT 220218 SVSSJT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 918 PM CDT THU APR 21 2011 TXC441-220228- /O.CAN.KSJT.TO.W.0009.000000T0000Z-110422T0230Z/ TAYLOR TX- 918 PM CDT THU APR 21 2011 ...THE TORNADO WARNING FOR NORTHEASTERN TAYLOR COUNTY IS CANCELLED... THIS INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 269 AND 292. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR WEST CENTRAL TEXAS. LAT...LON 3258 10000 3264 10000 3269 9961 3256 9962 TIME...MOT...LOC 0218Z 269DEG 29KT 3256 9966 $$ TXC253-220230- /O.CON.KSJT.TO.W.0009.000000T0000Z-110422T0230Z/ JONES TX- 918 PM CDT THU APR 21 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR SOUTH CENTRAL JONES COUNTY... AT 914 PM CDT...THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 7 MILES SOUTHEAST OF HAWLEY...OR 8 MILES NORTH OF ABILENE...MOVING EAST AT 35 MPH. STORM HAZARDS INCLUDE... DANGEROUS TORNADIC WINDS. GOLF BALL SIZE HAIL DAMAGING WINDS IN EXCESS OF 60 MPH. WITH POSSIBLE STORM IMPACTS... OVERTURNED VEHICLES... DAMAGE TO TREES...SOME MAY BE UPROOTED... DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES. 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 TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF SOUTHERN JONES COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3258 10000 3264 10000 3269 9961 3256 9962 TIME...MOT...LOC 0218Z 269DEG 29KT 3256 9966 $$ 12
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 7:13 PM CDT | Tornado Warning | SJT | Fisher | 32 min |
| Apr 21, 7:35 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 40 min |
| Apr 21, 7:36 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 54 min |
| Apr 21, 7:42 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 63 min |
| Apr 21, 7:50 PM CDT | Tornado Warning | SJT | Fisher, Jones, Nolan, Taylor | 40 min |
| Apr 21, 7:53 PM CDT | Severe Thunderstorm Warning | SJT | Schleicher, Sutton | 67 min |
| Apr 21, 7:59 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 46 min |
| Apr 21, 8:30 PM CDT | Tornado Warning | SJT | Jones, Taylor | 30 min |
| Apr 21, 8:45 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 60 min |
Nearby
Tornado Warnings in Texas, 2011Every tornado warning in 2011Tornadoes 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.