Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 97, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 25, 2011, 9:09 PM CDT for Bastrop County, Fayette County, Lee County, Texas. It was in force for 36 min. 2 reports 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
- May 25, 2011, 9:09 PM CDT (02:09 UTC)
- Expired
- May 25, 2011, 9:45 PM CDT
- In force
- 36 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Bastrop County, TX, Fayette County, TX, Lee County, TX
The radar
The Ft Hood radar (KGRK), 84 km from the middle of the area, began a volume at 02:11 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 |
|---|---|---|---|
| May 25, 9:15 PM CDT | HAIL 1 | 5 Ne Smithville, TX | QUARTER SIZE HAIL...TREE DAMAGE...AND PRIVACY FENCE DAMAGE NEAR LAKE THUNDERBIRD. |
| May 25, 9:20 PM CDT | HAIL 0.25 | Smithville, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 2.2 hours before the alert went out and 256 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
- 4864 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
204 WUUS54 KEWX 260209 SVREWX TXC021-149-287-260245- /O.NEW.KEWX.SV.W.0097.110526T0209Z-110526T0245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 909 PM CDT WED MAY 25 2011 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL BASTROP COUNTY... CENTRAL FAYETTE COUNTY... EXTREME SOUTH CENTRAL LEE COUNTY... * UNTIL 945 PM CDT. * AT 907 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES NORTHWEST OF SMITHVILLE...OR NEAR BASTROP...AND MOVING EAST AT 20 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE ALUM CREEK...TOGO... KIRTLEY...PLUM...RABBS PRAIRIE...WARDA...WINCHESTER AND WEST POINT. LAT...LON 3008 9683 2980 9700 3002 9735 3013 9728 TIME...MOT...LOC 0209Z 285DEG 19KT 3005 9725 $$
2 follow-up statements
408 WWUS54 KEWX 260225 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 925 PM CDT WED MAY 25 2011 TXC021-149-287-260245- /O.CON.KEWX.SV.W.0097.000000T0000Z-110526T0245Z/ LEE TX-BASTROP TX-FAYETTE TX- 925 PM CDT WED MAY 25 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR CENTRAL FAYETTE...EAST CENTRAL BASTROP AND EXTREME SOUTH CENTRAL LEE COUNTIES... AT 921 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SMITHVILLE... MOVING EAST AT 20 MPH. DRIVERS ALONG HIGHWAY 71 NEAR SMITHVILLE SHOULD USE EXTREME CAUTION. SOME LOCATIONS IN THE WARNING AREA INCLUDE KIRTLEY...PLUM...WARDA... WICCHESTER AND WEST POINT. LAT...LON 3005 9732 3012 9728 3008 9683 2980 9700 TIME...MOT...LOC 0224Z 285DEG 19KT 3003 9716 $$
737 WWUS54 KEWX 260242 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 942 PM CDT WED MAY 25 2011 TXC021-149-287-260250- /O.EXP.KEWX.SV.W.0097.000000T0000Z-110526T0245Z/ LEE TX-BASTROP TX-FAYETTE TX- 942 PM CDT WED MAY 25 2011 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FAYETTE...EAST CENTRAL BASTROP AND EXTREME SOUTH CENTRAL LEE COUNTIES WILL BE ALLOWED TO EXPIRE AT 945 PM CDT... THE STORM IS NO LONGER SEVERE. LAT...LON 3005 9732 3012 9728 3008 9683 2980 9700 TIME...MOT...LOC 0240Z 285DEG 19KT 3001 9707 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 8:16 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Fayette, Lee | 44 min |
| May 25, 8:18 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Fayette, Lee | 42 min |
| May 25, 8:56 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 19 min |
| May 25, 9:30 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Fayette, Lee | 30 min |
| May 25, 10:05 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 40 min |
| May 25, 10:42 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 33 min |
| May 25, 11:01 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 44 min |
| May 25, 11:41 PM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lavaca | 49 min |
| May 26, 12:21 AM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lavaca | 39 min |
| May 26, 12:43 AM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 32 min |
| May 26, 1:09 AM CDT | Tornado Warning | EWX | Lavaca | 21 min |
| May 26, 3:16 AM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.