Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 113, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Sep 22, 2011, 6:42 PM CDT for Kinney County, Val Verde County, Texas. It was in force for 48 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
- Sep 22, 2011, 6:42 PM CDT (23:42 UTC)
- Expired
- Sep 22, 2011, 7:30 PM CDT
- In force
- 48 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), 52 km from the middle of the area, began a volume at 23:43 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 |
|---|---|---|---|
| Sep 22, 6:59 PM CDT | HAIL 0.25 | Del Rio, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 11.7 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
- 565 J/kg
- Mixed-layer CIN
- -245 J/kg
- Mixed-layer LCL
- 1252 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
644
WUUS54 KEWX 222342
SVREWX
TXC271-465-230030-
/O.NEW.KEWX.SV.W.0113.110922T2342Z-110923T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
642 PM CDT THU SEP 22 2011
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN KINNEY COUNTY...
SOUTHERN VAL VERDE COUNTY...
* UNTIL 730 PM CDT.
* AT 639 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 9 MILES SOUTHWEST OF DEL RIO TO
LAUGHLIN AFB TO 6 MILES NORTHEAST OF LAUGHLIN AFB...AND MOVING
SOUTH AT 20 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE AMANDA AND STANDART.
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 2957 10098 2953 10049 2910 10041 2909 10068
2917 10079 2920 10078 2923 10081 2926 10087
2931 10091 2935 10100 2939 10104
TIME...MOT...LOC 2341Z 356DEG 18KT 2926 10099 2929 10084
2942 10073
$$2 follow-up statements
487
WWUS54 KEWX 230008
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
708 PM CDT THU SEP 22 2011
TXC271-465-230030-
/O.CON.KEWX.SV.W.0113.000000T0000Z-110923T0030Z/
KINNEY TX-VAL VERDE TX-
708 PM CDT THU SEP 22 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHERN VAL VERDE AND WESTERN KINNEY COUNTIES...
AT 702 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM 6 MILES SOUTH OF DEL RIO TO 12 MILES SOUTH OF
LAUGHLIN AFB TO LAUGHLIN AFB...MOVING SOUTH AT 20 MPH.
THE LINE OF SEVERE THUNDERSTORMS WILL SOUTH ALONG THE RIO GRANDE AND
HIGHWAY 277 AND EAST ALONG HIGHWAY 90.
LAT...LON 2957 10098 2953 10049 2910 10041 2909 10068
2917 10079 2920 10078 2923 10081 2926 10087
2931 10091 2935 10100 2939 10104
TIME...MOT...LOC 0006Z 356DEG 18KT 2914 10098 2917 10083
2930 10072
$$270
WWUS54 KEWX 230030
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
730 PM CDT THU SEP 22 2011
TXC271-465-230039-
/O.EXP.KEWX.SV.W.0113.000000T0000Z-110923T0030Z/
KINNEY TX-VAL VERDE TX-
730 PM CDT THU SEP 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN VAL VERDE AND WESTERN
KINNEY COUNTIES WILL EXPIRE AT 730 PM CDT...
THE THUNDERSTORMS HAVE WEAKENED BELOW SEVERE LEVELS ACROSS THE
ADVISORY AREA. HOWEVER GUSTY WINDS AND SMALL HAIL ARE STILL POSSIBLE
ACROSS THE DEL RIO AREA FOR THE NEXT HALF HOUR.
LAT...LON 2957 10098 2953 10049 2910 10041 2909 10068
2917 10079 2920 10078 2923 10081 2926 10087
2931 10091 2935 10100 2939 10104
TIME...MOT...LOC 0029Z 356DEG 18KT 2903 10097 2906 10082
2919 10071
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:10 PM CDT | Areal Flood Advisory | EWX | Bandera, Edwards, Gillespie, Kerr, Real | 110 min |
| Sep 21, 8:40 PM CDT | Areal Flood Advisory | EWX | Bandera, Edwards, Gillespie, Kendall, Kerr, Medina and 2 more | 3 hr |
| Sep 22, 5:50 PM CDT | Areal Flood Advisory | EWX | Edwards, Kinney, Val Verde | 2 hr |
| Sep 22, 6:11 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 34 min |
| Sep 22, 6:22 PM CDT | Flash Flood Warning | EWX | Val Verde | 6 hr |
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.