Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 21, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 28, 2012, 3:51 AM CDT for La Salle County, Webb County, Texas. It was in force for 54 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
- Mar 28, 2012, 3:51 AM CDT (08:51 UTC)
- Expired
- Mar 28, 2012, 4:45 AM CDT
- In force
- 54 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Storm-based polygon
Counties La Salle County, TX, Webb County, TX
The radar
The Corpus Christi radar (KCRP), 170 km from the middle of the area, began a volume at 08:52 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 |
|---|---|---|---|
| Mar 28, 3:54 AM CDT | TSTM WND GST 59 | Laredo, TX | ASOS REPORT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 8.9 hours before the alert went out and 187 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
- 899 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 761 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
430
WUUS54 KCRP 280851
SVRCRP
TXC283-479-280945-
/O.NEW.KCRP.SV.W.0021.120328T0851Z-120328T0945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
351 AM CDT WED MAR 28 2012
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN LA SALLE COUNTY IN SOUTH CENTRAL TEXAS
EASTERN WEBB COUNTY IN SOUTH CENTRAL TEXAS
* UNTIL 445 AM CDT
* AT 347 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 10 MILES EAST OF DILLEY TO LAREDO...AND MOVING
SOUTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
LOS ANGELES...
FORT EWELL SITE...
RANCHITOS LAS LOMAS...
AGUILARES...
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 2743 9951 2749 9949 2749 9953 2752 9953
2805 9912 2864 9901 2864 9882 2795 9884
2727 9906
TIME...MOT...LOC 0850Z 305DEG 26KT 2860 9900 2747 9943
$$1 follow-up statement
900
WWUS54 KCRP 280905
SVSCRP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
405 AM CDT WED MAR 28 2012
TXC283-479-280945-
/O.CON.KCRP.SV.W.0021.000000T0000Z-120328T0945Z/
LA SALLE-WEBB-
405 AM CDT WED MAR 28 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR EASTERN WEBB AND EASTERN LA SALLE COUNTIES...
AT 400 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 16 MILES SOUTHEAST OF DILLEY TO 10 MILES SOUTHEAST OF
LAREDO...MOVING SOUTHEAST AT 30 MPH.
THESE STORMS PRODUCED NUMEROUS GUSTS TO NEAR 60 MPH AT THE LAREDO
INTERNATIONAL AIRPORT.
* LOCATIONS IMPACTED INCLUDE...
RANCHITOS LAS LOMAS...
AGUILARES...
LAT...LON 2743 9951 2749 9949 2749 9953 2752 9953
2805 9912 2864 9901 2864 9882 2795 9884
2727 9906
TIME...MOT...LOC 0905Z 305DEG 26KT 2854 9890 2741 9933
$$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.