Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 103, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jul 18, 2012, 7:19 PM CDT for Kinney County, Maverick County, Val Verde County, Texas. It was in force for 31 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
- Jul 18, 2012, 7:19 PM CDT (00:19 UTC)
- Expired
- Jul 18, 2012, 7:50 PM CDT
- In force
- 31 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Kinney County, TX, Maverick County, TX, Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 42 km from the middle of the area, began a volume at 00:19 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 nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.3 hours before the alert went out and 32 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
- 1063 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1870 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
990
WUUS54 KEWX 190019
SVREWX
TXC271-323-465-190100-
/O.NEW.KEWX.SV.W.0103.120719T0019Z-120719T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
719 PM CDT WED JUL 18 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN KINNEY COUNTY...
NORTHERN MAVERICK COUNTY...
EXTREME SOUTHERN VAL VERDE COUNTY...
* UNTIL 800 PM CDT.
* AT 712 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING UP TO QUARTER SIZE HAIL...AND
DAMAGING WINDS FROM 40 TO 60 MPH. THIS STORM WAS LOCATED OVER
NORTHERN MAVERICK COUNTY...OR 7 MILES EAST OF QUEMADO...AND MOVING
NORTHWEST AT 20 MPH. THE CORE OF THE STORM SHOULD STAY AWAY FROM
DEL RIO AREA...HOWEVER...SHOWERS AND THUNDERSTORMS ARE LIKELY TO
AFFECT THE SOUTHERN PORTION OF VAL VERDE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE 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 2893 10053 2906 10068 2910 10069 2911 10073
2917 10079 2920 10078 2923 10081 2925 10081
2932 10065 2899 10044
TIME...MOT...LOC 0013Z 144DEG 18KT 2902 10055
$$1 follow-up statement
413
WWUS54 KEWX 190050
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
750 PM CDT WED JUL 18 2012
TXC271-323-465-190057-
/O.CAN.KEWX.SV.W.0103.000000T0000Z-120719T0100Z/
KINNEY TX-VAL VERDE TX-MAVERICK TX-
750 PM CDT WED JUL 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MAVERICK...EXTREME
SOUTHERN VAL VERDE AND SOUTHWESTERN KINNEY COUNTIES IS CANCELLED...
HOWEVER...STORM OUTFLOW WINDS UP TO 55 MPH ARE STILL POSSIBLE FOR
THE NEXT 15 TO 20 MINUTES.
LAT...LON 2893 10053 2906 10068 2910 10069 2911 10073
2917 10079 2920 10078 2923 10081 2925 10081
2932 10065 2899 10044
TIME...MOT...LOC 0047Z 144DEG 18KT 2916 10066
$$Nearby
Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012
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.