Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 8, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 29, 2011, 9:41 PM CDT for Kinney County, Val Verde County, Texas. It was in force for 64 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
- Mar 29, 2011, 9:41 PM CDT (02:41 UTC)
- Expired
- Mar 29, 2011, 10:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Kinney County, TX, Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 48 km from the middle of the area, began a volume at 02:43 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 |
|---|---|---|---|
| Mar 29, 10:15 PM CDT | HAIL 1 | Laughlin Afb, TX | BORDER PATROL REPORTED QUARTER SIZED HAIL AROUND LAUGHLIN AFD. |
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 |
|---|---|---|---|
| Mar 29, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.7 hours before the alert went out and 7 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
- 1803 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1570 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- -83 m²/s²
- Significant tornado parameter
- -0.3
- Supercell composite
- -3.3
The text
As transmitted, in the capitals the NWS used until 2016.
031
WUUS54 KEWX 300241
SVREWX
TXC271-465-300345-
/O.NEW.KEWX.SV.W.0008.110330T0241Z-110330T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
941 PM CDT TUE MAR 29 2011
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN KINNEY COUNTY...
EXTREME SOUTHERN VAL VERDE COUNTY...
* UNTIL 1045 PM CDT.
* AT 938 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF
BALL SIZE. THIS STORM WAS LOCATED 10 MILES SOUTH OF DEL RIO...AND
MOVING NORTHEAST AT 30 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE LAUGHLIN AFB...AMANDA...
STANDART AND BRACKETTVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 2962 10058 2926 10037 2916 10078 2924 10081
2927 10088 2929 10090 2931 10090 2933 10095
2935 10096
TIME...MOT...LOC 0241Z 243DEG 26KT 2924 10092
$$4 follow-up statements
049
WWUS54 KEWX 300250
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
950 PM CDT TUE MAR 29 2011
TXC271-465-300345-
/O.CON.KEWX.SV.W.0008.000000T0000Z-110330T0345Z/
VAL VERDE TX-KINNEY TX-
950 PM CDT TUE MAR 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR WESTERN KINNEY AND EXTREME SOUTHERN VAL VERDE COUNTIES...
AT 947 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED 8 MILES SOUTHWEST OF LAUGHLIN AFB...OR 8 MILES SOUTH OF DEL
RIO...MOVING NORTHEAST AT 35 MPH.
SOME LOCATIONS IN THE WARNING AREA INCLUDE AMANDA...STANDART AND
BRACKETTVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 2962 10058 2926 10037 2916 10078 2924 10081
2927 10088 2929 10090 2931 10090 2933 10095
2935 10096
TIME...MOT...LOC 0250Z 234DEG 33KT 2927 10084
$$971
WWUS54 KEWX 300300
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1000 PM CDT TUE MAR 29 2011
TXC271-465-300345-
/O.CON.KEWX.SV.W.0008.000000T0000Z-110330T0345Z/
VAL VERDE TX-KINNEY TX-
1000 PM CDT TUE MAR 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR WESTERN KINNEY AND EXTREME SOUTHERN VAL VERDE COUNTIES...
AT 956 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED 6 MILES SOUTH OF LAUGHLIN AFB...OR 9 MILES SOUTHEAST OF DEL
RIO...MOVING NORTHEAST AT 35 MPH.
SOME LOCATIONS IN THE WARNING AREA INCLUDE AMANDA...STANDART AND
BRACKETTVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 2962 10058 2926 10037 2916 10078 2924 10081
2927 10088 2929 10090 2931 10090 2933 10095
2935 10096
TIME...MOT...LOC 0300Z 245DEG 32KT 2928 10077
$$595
WWUS54 KEWX 300319
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1019 PM CDT TUE MAR 29 2011
TXC271-465-300345-
/O.CON.KEWX.SV.W.0008.000000T0000Z-110330T0345Z/
VAL VERDE TX-KINNEY TX-
1019 PM CDT TUE MAR 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR WESTERN KINNEY AND EXTREME SOUTHERN VAL VERDE COUNTIES...
AT 1018 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED NEAR AMANDA...OR 13 MILES EAST OF DEL RIO...MOVING NORTHEAST
AT 30 MPH.
SOME LOCATIONS IN THE WARNING AREA INCLUDE STANDART AND
BRACKETTVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 2962 10058 2926 10037 2916 10078 2924 10081
2927 10088 2929 10090 2931 10090 2933 10095
2935 10096
TIME...MOT...LOC 0319Z 245DEG 25KT 2933 10069
$$311
WWUS54 KEWX 300341
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1041 PM CDT TUE MAR 29 2011
TXC271-465-300351-
/O.EXP.KEWX.SV.W.0008.000000T0000Z-110330T0345Z/
VAL VERDE TX-KINNEY TX-
1041 PM CDT TUE MAR 29 2011
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KINNEY AND EXTREME
SOUTHERN VAL VERDE COUNTIES WILL EXPIRE AT 1045 PM CDT...
THE THUNDERSTORM HAS RAPIDLY WEAKENED BELOW SEVERE LEVELS. THE
WARNING WILL BE ALLOWED TO EXPIRE AT 1045 PM CDT.
LAT...LON 2962 10058 2926 10037 2916 10078 2924 10081
2927 10088 2929 10090 2931 10090 2933 10095
2935 10096
TIME...MOT...LOC 0341Z 245DEG 25KT 2939 10053
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 9:32 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 58 min |
| Mar 29, 10:28 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Zavala | 47 min |
| Mar 29, 11:44 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick | 49 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.