Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 96, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 26, 2012, 7:31 PM CDT for Karnes County, Texas. It was in force for 28 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
- Jun 26, 2012, 7:31 PM CDT (00:31 UTC)
- Expired
- Jun 26, 2012, 7:59 PM CDT
- In force
- 28 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Karnes County, TX
The radar
The Austin/San Antonio radar (KEWX), 105 km from the middle of the area, began a volume at 00:33 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, 7:38 PM CDT | TSTM WND DMG | 10 Wsw Kenedy, TX | MARBLE SIZE HAIL AND SEVERAL TREES LIMBS BLOWN DOWN. |
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 |
|---|---|---|---|
| Jun 26, 3:22 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.5 hours before the alert went out and 132 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.
731 WUUS54 KEWX 270031 SVREWX TXC255-270115- /O.NEW.KEWX.SV.W.0096.120627T0031Z-120627T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 731 PM CDT TUE JUN 26 2012 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN KARNES COUNTY... * UNTIL 815 PM CDT. * AT 724 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNIES SIZE HAIL...DAMAGING WINDS IN EXCESS OF 60 MPH WITH HEAVY RAIN. THIS STORM WAS LOCATED NEAR EL OSO...OR 8 MILES WEST OF KENEDY...AND MOVING SOUTHWEST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL OTHERWISE IMPACT MAINLY RURAL AREAS OF THE INDICATED COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR SOUTH CENTRAL TEXAS. && LAT...LON 2872 9803 2879 9809 2881 9797 2877 9793 TIME...MOT...LOC 0030Z 059DEG 15KT 2877 9801 $$
1 follow-up statement
768 WWUS54 KEWX 270059 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 759 PM CDT TUE JUN 26 2012 TXC255-270106- /O.CAN.KEWX.SV.W.0096.000000T0000Z-120627T0115Z/ KARNES TX- 759 PM CDT TUE JUN 26 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KARNES COUNTY IS CANCELLED... STRONG STORMS OVER SOUTHWESTERN KARNES COUNTY HAVE DISSIPATED OR MOVED AWAY FROM THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING EARLIER ISSUED FOR SOUTHWESTERN KARNES COUNTY IS CANCELLED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR SOUTH CENTRAL TEXAS. STRONG STORMS OVER SOUTHWESTERN KARNES COUNTY LAT...LON 2872 9803 2879 9809 2881 9797 2877 9793 TIME...MOT...LOC 0056Z 059DEG 15KT 2871 9812 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 10:07 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 38 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.