Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 23, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 19, 2012, 5:53 PM CDT for Dimmit 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
- Mar 19, 2012, 5:53 PM CDT (22:53 UTC)
- Expired
- Mar 19, 2012, 6:25 PM CDT
- In force
- 32 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
County Dimmit County, TX
The radar
The Laughlin AFB radar (KDFX), 112 km from the middle of the area, began a volume at 22:56 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 nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 10.9 hours before the alert went out and 157 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
- 2784 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 528 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 284 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 4.3
- Supercell composite
- 18.4
The text
As transmitted, in the capitals the NWS used until 2016.
639
WUUS54 KEWX 192253
SVREWX
TXC127-200000-
/O.NEW.KEWX.SV.W.0023.120319T2253Z-120320T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
553 PM CDT MON MAR 19 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN DIMMIT COUNTY...
* UNTIL 700 PM CDT.
* AT 551 PM CDT...NWS METEOROLOGISTS HAVE DETECTED TWO SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL. THESE
STORMS WERE LOCATED 8 MILES SOUTHEAST OF CARRIZO SPRINGS AND
18 MILES SOUTHEAST OF CARRIZO SPRINGS...AND MOVING EAST AT 25 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE CATARINA...BIG WELLS...LIGHT
AND LAS VEGAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 2850 9983 2863 9939 2862 9939 2828 9939
2823 9977
TIME...MOT...LOC 2253Z 250DEG 22KT 2845 9975 2831 9969
$$1 follow-up statement
124
WWUS54 KEWX 192325
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
625 PM CDT MON MAR 19 2012
TXC127-192335-
/O.CAN.KEWX.SV.W.0023.000000T0000Z-120320T0000Z/
DIMMIT TX-
625 PM CDT MON MAR 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DIMMIT COUNTY IS
CANCELLED...
THE THUNDERSTORM HAS WEAKENED. AS A RESULT...THE SEVERE THUNDERSTORM
WARNING IS CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR SOUTH CENTRAL TEXAS. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM CDT TUESDAY MORNING FOR SOUTH CENTRAL TEXAS.
LAT...LON 2850 9983 2863 9939 2862 9939 2828 9939
2823 9977
TIME...MOT...LOC 2325Z 250DEG 22KT 2852 9954 2838 9948
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 2:30 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 45 min |
| Mar 19, 3:06 PM CDT | Tornado Warning | EWX | Edwards, Val Verde | 39 min |
| Mar 19, 4:52 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 53 min |
| Mar 19, 5:18 PM CDT | Tornado Warning | EWX | Edwards | 42 min |
| Mar 19, 5:29 PM CDT | Severe Thunderstorm Warning | EWX | Medina, Uvalde | 49 min |
| Mar 19, 5:50 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Zavala | 55 min |
| Mar 19, 6:03 PM CDT | Tornado Warning | EWX | Llano | 27 min |
| Mar 19, 6:07 PM CDT | Tornado Warning | EWX | Frio, Medina | 38 min |
| Mar 19, 6:10 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Medina, Uvalde | 50 min |
| Mar 19, 6:23 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Uvalde, Zavala | 67 min |
| Mar 19, 6:33 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Real | 57 min |
| Mar 19, 6:45 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina | 60 min |
| Mar 19, 6:54 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Kerr | 55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.