Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 13, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at May 7, 2012, 5:32 PM CDT for Gillespie County, Llano County, Texas. It was in force for 28 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
- May 7, 2012, 5:32 PM CDT (22:32 UTC)
- Expired
- May 7, 2012, 6:00 PM CDT
- In force
- 28 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Gillespie County, TX, Llano County, TX
The radar
The Austin/San Antonio radar (KEWX), 114 km from the middle of the area, began a volume at 22:35 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 10.5 hours before the alert went out and 233 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
- 3104 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1000 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
143
WFUS54 KEWX 072232
TOREWX
TXC171-299-072300-
/O.NEW.KEWX.TO.W.0013.120507T2232Z-120507T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
532 PM CDT MON MAY 7 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN GILLESPIE COUNTY...
SOUTHWESTERN LLANO COUNTY...
* UNTIL 600 PM CDT.
* AT 526 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PRAIRIE
MOUNTAIN...OR ABOUT 17 MILES SOUTHWEST OF LLANO...MOVING SOUTHEAST
AT 25 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE ENCHANTED ROCK STATION...
CRABAPPLE...ECKERT AND WILLOW CITY.
GOLF BALL SIZE HAIL AND VERY HEAVY RAINS CAN ALSO BE EXPECTED WITH
THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER
YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER
PROTECTION.
&&
LAT...LON 3040 9859 3026 9885 3056 9898 3060 9897
3067 9879
TIME...MOT...LOC 2231Z 322DEG 21KT 3055 9884
$$1 follow-up statement
207
WWUS54 KEWX 072252
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
552 PM CDT MON MAY 7 2012
TXC171-299-072300-
/O.CON.KEWX.TO.W.0013.000000T0000Z-120507T2300Z/
GILLESPIE TX-LLANO TX-
552 PM CDT MON MAY 7 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTHEASTERN
GILLESPIE AND SOUTHWESTERN LLANO UNTIL 6 PM...
AT 550 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADIC
THUNDERSTORM. THIS STORM WAS LOCATED NEAR CRABAPPLE...OR 14 MILES
NORTH OF FREDERICKSBURG...MOVING SOUTHEAST AT 25 MPH.
SOME LOCATIONS IN THE WARNING AREA INCLUDE ECKERT AND WILLOW CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
MONDAY EVENING FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 3040 9859 3026 9885 3056 9898 3060 9897
3067 9879
TIME...MOT...LOC 2246Z 327DEG 21KT 3047 9880
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 7:09 PM CDT | Areal Flood Advisory | EWX | Llano | 111 min |
| May 6, 7:33 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 42 min |
| May 7, 3:28 AM CDT | Flash Flood Watch | EWX | Bandera, Bexar, Blanco, Burnet, Comal, Edwards and 12 more | 37 hr |
| May 7, 4:47 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 58 min |
| May 7, 5:10 PM CDT | Tornado Warning | EWX | Llano | 35 min |
| May 7, 5:23 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 37 min |
| May 7, 5:43 PM CDT | Tornado Warning | EWX | Llano | 32 min |
| May 7, 5:57 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie, Llano | 63 min |
| May 7, 6:08 PM CDT | Areal Flood Advisory | EWX | Llano | 112 min |
| May 7, 6:49 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Kendall | 56 min |
| May 7, 6:51 PM CDT | Areal Flood Advisory | EWX | Gillespie | 2 hr |
Nearby
Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes 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.