Alert archive / Texas / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 39, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 19, 2005, 7:37 PM CST for Lavaca County, Texas. It was in force for 53 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, 2005, 7:37 PM CST (01:37 UTC)
- Expired
- Mar 19, 2005, 8:30 PM CST
- In force
- 53 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Lavaca County, TX
The radar
The Austin/San Antonio radar (KEWX), 99 km from the middle of the area, began a volume at 01:39 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 |
|---|---|---|---|
| Mar 19, 5:00 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 1.6 hours before the alert went out and 201 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
- 1536 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KEWX 200137
SVREWX
TXC285-200230-
/O.NEW.KEWX.SV.W.0039.050320T0137Z-050320T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
737 PM CST SAT MAR 19 2005
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES...
LAVACA
* UNTIL 830 PM CST
* AT 735 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 4 MILES
NORTH OF SHINER...AND MOVING EAST AT 20 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE MOULTON AND HALLETTSVILLE.
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 2962 9720 2940 9723 2922 9705 2957 9679
2957 9684 2964 9689
$$1 follow-up statement
000
WWUS54 KEWX 200202
SVSEWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
800 PM CST SAT MAR 19 2005
TXC285-200230-
/O.CON.KEWX.SV.W.0039.000000T0000Z-050320T0230Z/
LAVACA TX-
800 PM CST SAT MAR 19 2005
...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 830 PM CST FOR
LAVACA COUNTY...
AT 756 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 7 MILES SOUTHEAST OF MOULTON...MOVING EAST AT 20 MPH. GOLF
BALL SIZE HAIL WAS REPORTED FROM THIS STORM IN THE TOWN OF MOULTON
AT 758 PM.
OTHER LOCATIONS IN THE WARNING INCLUDE HALLETTSVILLE.
LAT...LON 2962 9720 2940 9723 2922 9705 2957 9679
2957 9684 2964 9689
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 6:01 PM CST | Severe Thunderstorm Warning | EWX | Lee | 44 min |
| Mar 19, 7:01 PM CST | Severe Thunderstorm Warning | EWX | Wilson | 59 min |
| Mar 19, 7:06 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 54 min |
| Mar 19, 7:27 PM CST | Flash Flood Warning | EWX | Gonzales | 3 hr |
| Mar 19, 7:41 PM CST | Severe Thunderstorm Warning | EWX | Karnes | 64 min |
| Mar 19, 7:52 PM CST | Flash Flood Warning | EWX | DeWitt, Karnes, Lavaca | 3 hr |
| Mar 19, 8:28 PM CST | Severe Thunderstorm Warning | EWX | Lavaca | 62 min |
| Mar 19, 8:45 PM CST | Severe Thunderstorm Warning | EWX | DeWitt | 60 min |
| Mar 19, 9:31 PM CST | Severe Thunderstorm Warning | EWX | Lavaca | 29 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2005Every severe thunderstorm warning in 2005
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.