Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jan 24, 2012, 1:12 PM CST for Hays County, Travis County, Texas. It was in force for 26 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
- Jan 24, 2012, 1:12 PM CST (19:12 UTC)
- Expired
- Jan 24, 2012, 1:38 PM CST
- In force
- 26 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Hays County, TX, Travis County, TX
The radar
The Ft Hood radar (KGRK), 65 km from the middle of the area, began a volume at 19:14 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 |
|---|---|---|---|
| Jan 24, 1:30 PM CST | HAIL 1 | 6 N Dripping Springs, TX | NEAR QUARTER SIZE HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 7.2 hours before the alert went out and 269 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 196 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
511
WUUS54 KEWX 241912
SVREWX
TXC209-453-242000-
/O.NEW.KEWX.SV.W.0002.120124T1912Z-120124T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
112 PM CST TUE JAN 24 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN HAYS COUNTY...
NORTHWESTERN TRAVIS COUNTY...
* UNTIL 200 PM CST.
* AT 102 PM CST...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM
WAS LOCATED NEAR DRIPPING SPRINGS...AND MOVING NORTH AT 30 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE BEE CAVE...LAKEWAY AND LAGO
VISTA.
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 3060 9792 3057 9793 3055 9787 3046 9784
3011 9804 3017 9823 3041 9814 3046 9810
3049 9810 3061 9806 3062 9800 3061 9799
3063 9796
TIME...MOT...LOC 1912Z 202DEG 28KT 3023 9809
$$2 follow-up statements
466
WWUS54 KEWX 241924
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
124 PM CST TUE JAN 24 2012
TXC209-453-242000-
/O.CON.KEWX.SV.W.0002.000000T0000Z-120124T2000Z/
HAYS TX-TRAVIS TX-
124 PM CST TUE JAN 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CST
FOR NORTHWESTERN TRAVIS AND NORTH CENTRAL HAYS COUNTIES...
AT 117 PM CST...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED 8 MILES SOUTHWEST OF BEE CAVE...OR NEAR DRIPPING SPRINGS...
MOVING NORTH AT 30 MPH.
SOME LOCATIONS IN THE WARNING AREA INCLUDE LAKEWAY...BRIARCLIFF...
LAGO VISTA AND JONESTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 3060 9792 3057 9793 3055 9787 3046 9784
3021 9798 3031 9817 3041 9814 3046 9810
3061 9806 3062 9800 3061 9799 3063 9796
TIME...MOT...LOC 1924Z 202DEG 28KT 3032 9805
$$600
WWUS54 KEWX 241938
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
138 PM CST TUE JAN 24 2012
TXC209-453-241947-
/O.CAN.KEWX.SV.W.0002.000000T0000Z-120124T2000Z/
HAYS TX-TRAVIS TX-
138 PM CST TUE JAN 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TRAVIS AND NORTH
CENTRAL HAYS COUNTIES IS CANCELLED...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND IS NO
LONGER SEVERE. THIS THUNDERSTORM STILL HAS THE POTENTIAL TO PRODUCE
SMALL HAIL AS IT MOVES NORTH AT 30 MPH.
LAT...LON 3060 9792 3057 9793 3055 9787 3046 9784
3021 9798 3031 9817 3041 9814 3046 9810
3061 9806 3062 9800 3061 9799 3063 9796
TIME...MOT...LOC 1937Z 202DEG 28KT 3041 9801
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 12:06 PM CST | Severe Thunderstorm Warning | EWX | Fayette | 24 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.