Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 97, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 26, 2012, 10:07 PM CDT for Atascosa County, Texas. It was in force for 38 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
- Jun 26, 2012, 10:07 PM CDT (03:07 UTC)
- Expired
- Jun 26, 2012, 10:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Atascosa County, TX
The radar
The Austin/San Antonio radar (KEWX), 91 km from the middle of the area, began a volume at 03:07 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 |
|---|---|---|---|
| Jun 26, 10:15 PM CDT | TSTM WND DMG | 3 Ne Pleasanton, TX | MARBLE SIZE HAIL AND NUMEROUS LARGE TREE LIMBS SCATTERED ACROSS IH37. |
| Jun 26, 10:17 PM CDT | TSTM WND DMG | N Leming, TX | NUMEROUS TREE LIMBS BLOWN DOWN AND SOME HOMES DAMAGED. |
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, 3.1 hours before the alert went out and 184 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
- 1560 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 2422 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
755 WUUS54 KEWX 270307 SVREWX TXC013-270345- /O.NEW.KEWX.SV.W.0097.120627T0307Z-120627T0345Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1007 PM CDT TUE JUN 26 2012 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL ATASCOSA COUNTY... * UNTIL 1045 PM CDT. * AT 957 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING UP TO QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH CROSSING I37 NEAR LEMING. THIS STORM WAS LOCATED NEAR LEMING...OR 7 MILES NORTHEAST OF PLEASANTON...AND MOVING WEST AT 20 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE POTEET. 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 2892 9861 2907 9866 2912 9841 2902 9837 TIME...MOT...LOC 0305Z 077DEG 18KT 2905 9848 $$
1 follow-up statement
353 WWUS54 KEWX 270334 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1034 PM CDT TUE JUN 26 2012 TXC013-270345- /O.CON.KEWX.SV.W.0097.000000T0000Z-120627T0345Z/ ATASCOSA TX- 1034 PM CDT TUE JUN 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR NORTH CENTRAL ATASCOSA COUNTY... AT 1025 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING UP TO QUARTER SIZE HAIL AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED OVER NORTH CENTRAL ATASCOSA COUNTY...OR NORTHWEST OF POTEET...MOVING WEST AT 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 2908 9859 2903 9860 2903 9865 2907 9866 TIME...MOT...LOC 0331Z 096DEG 17KT 2906 9868 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 7:31 PM CDT | Severe Thunderstorm Warning | EWX | Karnes | 28 min |
| Jun 26, 10:42 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 26 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.