Alert archive / Texas / Tornado Warnings in 2011
Tornado Warning 8, NWS San Angelo, TX
NWS San Angelo, TX issued this tornado warning at Apr 21, 2011, 8:30 PM CDT for Jones County, Taylor County, Texas. It was in force for 30 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 21, 2011, 8:30 PM CDT (01:30 UTC)
- Expired
- Apr 21, 2011, 9:00 PM CDT
- In force
- 30 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), 71 km from the middle of the area, began a volume at 01:33 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 21, 8:55 PM CDT | TORNADO | 6 Wsw Hawley, TX | ROPE TORNADO REPORTED AT THE INTERSECTION OF FM 707 AND FM 605 APPROXIMATELY 6 MILES WEST OF HAWLEY NEAR THE COMMUNITY OF STITH AT 855 PM. |
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 21, 3:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 1.5 hours before the alert went out and 219 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
- 1962 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 2427 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
081 WFUS54 KSJT 220130 TORSJT TXC253-441-220200- /O.NEW.KSJT.TO.W.0008.110422T0130Z-110422T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 830 PM CDT THU APR 21 2011 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN JONES COUNTY IN WEST CENTRAL TEXAS... NORTHWESTERN TAYLOR COUNTY IN WEST CENTRAL TEXAS... * UNTIL 900 PM CDT * AT 828 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS NEAR NOODLE...OR 16 MILES SOUTHWEST OF ANSON...MOVING EAST AT 15 MPH. IN ADDITION TO DANGEROUS TORNADIC WINDS...OTHER HAZARDS INCLUDE... DAMAGING STRAIGHT LINE WINDS IN EXCESS OF 60 MPH. POTENTIALLY DEADLY LIGHTNING. * THE TORNADO IS EXPECTED TO BE NEAR... STITH AND TRUBY BY 900 PM CDT... 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 3273 9992 3248 9989 3250 10015 3266 10015 TIME...MOT...LOC 0130Z 268DEG 13KT 3259 10006 $$ 12
1 follow-up statement
384 WWUS54 KSJT 220149 SVSSJT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 849 PM CDT THU APR 21 2011 TXC253-441-220200- /O.CON.KSJT.TO.W.0008.000000T0000Z-110422T0200Z/ JONES TX-TAYLOR TX- 849 PM CDT THU APR 21 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTH CENTRAL TAYLOR AND SOUTH CENTRAL JONES COUNTIES... AT 846 PM CDT...THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR NOODLE...OR 13 MILES SOUTHWEST OF ANSON...MOVING EAST AT 15 MPH. STORM HAZARDS INCLUDE... DANGEROUS TORNADIC WINDS. DAMAGING WINDS IN EXCESS OF 60 MPH. WITH POSSIBLE STORM IMPACTS... OVERTURNED VEHICLES... DAMAGE TO TREES...SOME MAY BE UPROOTED... DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES. DAMAGE TO TREE LIMBS... LIGHT OBJECTS BLOWN AROUND. THE TORNADO WILL BE NEAR... TRUBY BY 855 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3251 10012 3267 10011 3273 9992 3248 9989 TIME...MOT...LOC 0148Z 266DEG 29KT 3259 9997 $$ 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, 8:45 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 60 min |
| Apr 21, 8:56 PM CDT | Tornado Warning | SJT | Jones, Taylor | 34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.