Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 14, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at May 7, 2012, 5:43 PM CDT for Llano County, Texas. It was in force for 32 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, 5:43 PM CDT (22:43 UTC)
- Expired
- May 7, 2012, 6:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Llano County, TX
The radar
The Ft Hood radar (KGRK), 126 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 256 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.
938 WFUS54 KEWX 072243 TOREWX TXC299-072315- /O.NEW.KEWX.TO.W.0014.120507T2243Z-120507T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 543 PM CDT MON MAY 7 2012 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * TORNADO WARNING FOR... CENTRAL LLANO COUNTY... * UNTIL 615 PM CDT. * AT 540 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LLANO. THIS TORNADO WAS NEARLY STATIONARY. * SOME LOCATIONS IN THE WARNING INCLUDE LLANO AND OXFORD. 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 3086 9876 3075 9851 3055 9860 3064 9885 TIME...MOT...LOC 2243Z 090DEG 1KT 3069 9869 $$
1 follow-up statement
181 WWUS54 KEWX 072246 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 546 PM CDT MON MAY 7 2012 TXC299-072315- /O.CON.KEWX.TO.W.0014.000000T0000Z-120507T2315Z/ LLANO TX- 546 PM CDT MON MAY 7 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL LLANO COUNTY... AT 545 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR LLANO. THIS TORNADO WAS NEARLY STATIONARY. GOLF BALL SIZE HAIL AND VERY HEAVY RAINS CAN ALSO BE EXPECTED WITH THIS STORM. SOME LOCATIONS IN THE WARNING AREA INCLUDE LLANO AND OXFORD. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN A MOBILE HOME OR VEHICLE...GET OUT AND GO TO A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER PROTECTION. && LAT...LON 3086 9876 3075 9851 3055 9860 3064 9885 TIME...MOT...LOC 2246Z 090DEG 1KT 3069 9869 $$
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, 5:32 PM CDT | Tornado Warning | EWX | Gillespie, Llano | 28 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.