Alert archive / Texas / Tornado Warnings in 2004
Tornado Warning 1, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Mar 4, 2004, 2:40 PM CST for Bexar County, Texas. It was in force for 35 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 4, 2004, 2:40 PM CST (20:40 UTC)
- Expired
- Mar 4, 2004, 3:15 PM CST
- In force
- 35 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 57 km from the middle of the area, began a volume at 20:43 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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 8.7 hours before the alert went out and 220 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
- 377 J/kg
- Mixed-layer CIN
- -198 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KEWX 042040
TORSAT
TXC029-042115-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
240 PM CST THU MAR 4 2004
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
BEXAR
* UNTIL 315 PM CST
* AT 240 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 6 MILES
SOUTH OF SEA WORLD...OR ABOUT 9 MILES EAST OF CASTROVILLE...MOVING
EAST AT 35 MPH.
* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
SEA WORLD
LACKLAND AFB
SAN ANTONIO
OLMOS PARK
ALAMO HEIGHTS
TERRELL HILLS
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. IF YOU ARE CAUGHT IN
THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF
NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A WELL-BUILT BUILDING.
IF NO BASEMENT IS AVAILABLE...GO TO A CENTRAL...SMALL ROOM ON THE
LOWEST FLOOR...SUCH AS A BATHROOM...CLOSET OR HALLWAY. STAY AWAY FROM
OUTSIDE WINDOWS AND DOORS. USE BLANKETS OR PILLOWS TO COVER YOUR
BODY.
LAT...LON 2948 9874 2929 9873 2918 9839 2945 9817
2959 9834
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 4, 9:50 AM CST | Severe Thunderstorm Warning | EWX | Val Verde | 55 min |
| Mar 4, 11:28 AM CST | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 62 min |
| Mar 4, 1:50 PM CST | Severe Thunderstorm Warning | EWX | Medina | 25 min |
| Mar 4, 2:21 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 39 min |
| Mar 4, 3:20 PM CST | Severe Thunderstorm Warning | EWX | Bexar, Guadalupe | 55 min |
Nearby
Tornado Warnings in Texas, 2004Every tornado warning in 2004Tornadoes in 2004
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.