Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 48, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 29, 2012, 1:33 AM CDT for Bexar County, Guadalupe County, Texas. It was in force for 21 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
- Mar 29, 2012, 1:33 AM CDT (06:33 UTC)
- Expired
- Mar 29, 2012, 1:54 AM CDT
- In force
- 21 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Bexar County, TX, Guadalupe County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 6.6 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
- 801 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
110 WUUS54 KEWX 290633 SVREWX TXC029-187-290715- /O.NEW.KEWX.SV.W.0048.120329T0633Z-120329T0715Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 133 AM CDT THU MAR 29 2012 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME EAST CENTRAL BEXAR COUNTY... WESTERN GUADALUPE COUNTY... * UNTIL 215 AM CDT. * AT 124 AM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR MARION...OR 10 MILES EAST OF UNIVERSAL CITY...AND MOVING NORTHEAST AT 10 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE MCQUEENEY...SEGUIN AND GERONIMO. 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 2971 9798 2954 9786 2943 9817 2959 9826 TIME...MOT...LOC 0632Z 243DEG 10KT 2955 9812 $$
1 follow-up statement
753 WWUS54 KEWX 290654 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 154 AM CDT THU MAR 29 2012 TXC029-187-290700- /O.CAN.KEWX.SV.W.0048.000000T0000Z-120329T0715Z/ GUADALUPE TX-BEXAR TX- 154 AM CDT THU MAR 29 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME EAST CENTRAL BEXAR AND WESTERN GUADALUPE COUNTIES IS CANCELLED... THE STRONG THUNDERSTORM THAT MOVED THROUGH MARION EARLY HAS DISSIPATED. HOWEVER...MODERATE TO HEAVY RAIN WILL CONTINUE ACROSS MARION AND SEGUIN AREAS THROUGH AT LEAST 230 AM. LAT...LON 2971 9798 2954 9786 2943 9817 2959 9826 TIME...MOT...LOC 0650Z 243DEG 10KT 2957 9807 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 7:30 PM CDT | Flash Flood Warning | EWX | Atascosa, DeWitt, Karnes, Wilson | 3 hr |
| Mar 29, 12:52 AM CDT | Severe Thunderstorm Warning | EWX | Wilson | 38 min |
| Mar 29, 1:16 AM CDT | Areal Flood Advisory | EWX | Wilson | 104 min |
| Mar 29, 8:55 AM CDT | Areal Flood Advisory | EWX | Caldwell | 4 hr |
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.