Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 3, NWS Austin/San Antonio, TX

April 4, 2004Frio County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 4, 2004, 3:01 PM CDT for Frio County, Texas. It was in force for 59 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: Apr 4, 2004, 3:01 PM CDT (20:01 UTC)
Expired: Apr 4, 2004, 4:00 PM CDT
In force: 59 min
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

County Frio County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 4, 1:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.0 hours before the alert went out and 162 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 100 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 645 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

250 
WFUS54 KEWX 042001
TORSAT
TXC163-042100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
300 PM CDT SUN APR 4 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  FRIO

* UNTIL 400 PM CDT

* AT 300 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG ROTATION THAT MAY PRODUCE A TORNADO AT ANY
  TIME 13 MILES WEST OF DILLEY...MOVING NORTHEAST AT 20 MPH.

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  DIVOT
  DILLEY
  DERBY

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.


LAT...LON 2894 9939 2866 9938 2866 9908 2897 9923

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 4, 9:32 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	58 min
Apr 4, 10:25 AM CDT	Flash Flood Warning	EWX	Maverick, Val Verde	185 days
Apr 4, 10:58 AM CDT	Flash Flood Warning	EWX	Edwards, Kinney	185 days
Apr 4, 11:21 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	54 min
Apr 4, 11:39 AM CDT	Severe Thunderstorm Warning	EWX	Kinney	51 min
Apr 4, 11:42 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	63 min
Apr 4, 11:52 AM CDT	Severe Thunderstorm Warning	EWX	Uvalde, Zavala	53 min
Apr 4, 12:01 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	59 min
Apr 4, 12:15 PM CDT	Severe Thunderstorm Warning	EWX	Maverick	60 min
Apr 4, 12:49 PM CDT	Severe Thunderstorm Warning	EWX	Zavala	71 min
Apr 4, 12:59 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	61 min
Apr 4, 1:54 PM CDT	Flash Flood Warning	EWX	Kinney, Maverick, Val Verde	187 days
Apr 4, 1:58 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Zavala	62 min
Apr 4, 2:08 PM CDT	Flash Flood Warning	EWX	Dimmit, Uvalde, Val Verde, Zavala	187 days
Apr 4, 2:12 PM CDT	Tornado Warning	EWX	Dimmit	48 min
Apr 4, 2:27 PM CDT	Severe Thunderstorm Warning	EWX	Frio, Medina	63 min
Apr 4, 2:57 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	63 min
Apr 4, 3:22 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	38 min
Apr 4, 3:49 PM CDT	Flash Flood Warning	EWX	Comal, Frio, Guadalupe, Medina	192 days
Apr 4, 4:19 PM CDT	Severe Thunderstorm Warning	EWX	Frio	56 min
Apr 4, 4:41 PM CDT	Flash Flood Warning	EWX	Atascosa, Bexar, DeWitt, Fayette, Gonzales, Karnes and 2 more	192 days
Apr 4, 4:50 PM CDT	Tornado Warning	EWX	Medina	25 min
Apr 4, 4:51 PM CDT	Flash Flood Warning	EWX	Bexar, Comal, Dimmit, Guadalupe, Uvalde, Zavala	192 days
Apr 4, 5:05 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa	55 min
Apr 4, 5:29 PM CDT	Severe Thunderstorm Warning	EWX	Bexar	61 min
Apr 4, 5:39 PM CDT	Tornado Warning	EWX	Bexar	36 min
Apr 4, 6:05 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa	55 min
Apr 4, 6:32 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Guadalupe	58 min
Apr 4, 6:45 PM CDT	Flash Flood Warning	EWX	Frio, Medina	90 min

Nearby

Tornado Warnings in Texas, 2004 Every tornado warning in 2004 Tornadoes 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.