Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 93, NWS Austin/San Antonio, TX

May 13, 2004Dimmit County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 13, 2004, 8:21 PM CDT for Dimmit County, Texas. It was in force for 114 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: May 13, 2004, 8:21 PM CDT (01:21 UTC)
Expired: May 13, 2004, 10:15 PM CDT
In force: 114 min
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

County Dimmit County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.4 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.

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: 4095 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 892 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 51 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.

000 
WGUS54 KEWX 140121
FFWSAT
TXC127-140315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
821 PM CDT THU MAY 13 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  DIMMIT

* UNTIL 1015 PM CDT

* AT 821 PM CDT...DOPPLER RADAR INDICATED FLASH FLOODING RAINS UP TO 
  3 INCHES FROM A THUNDERSTORM NEAR BIG WELLS...MOVING EAST AT 5 MPH.

* THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN IN 
  MAINLY RURAL AREAS OVER THE NORTHEASTERN THIRD OF DIMMIT COUNTY.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 2863 9965 2847 9959 2834 9940 2863 9941

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 7:09 PM CDT	Severe Thunderstorm Warning	EWX	Zavala	66 min
May 13, 7:25 PM CDT	Tornado Warning	EWX	Gillespie	65 min
May 13, 7:36 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit	54 min
May 13, 8:44 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Gillespie	61 min
May 13, 9:11 PM CDT	Flash Flood Warning	EWX	Gillespie	2 hr
May 13, 9:15 PM CDT	Severe Thunderstorm Warning	EWX	Burnet	60 min
May 13, 10:22 PM CDT	Flash Flood Warning	EWX	Blanco	3 hr
May 13, 10:25 PM CDT	Severe Thunderstorm Warning	EWX	Blanco	65 min
May 13, 10:33 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Real	57 min
May 13, 10:37 PM CDT	Flash Flood Warning	EWX	Caldwell	3 hr
May 13, 10:49 PM CDT	Flash Flood Warning	EWX	Kendall	3 hr
May 13, 10:53 PM CDT	Flash Flood Warning	EWX	Hays	3 hr
May 13, 10:54 PM CDT	Flash Flood Warning	EWX	DeWitt, Fayette, Gonzales, Karnes, Lavaca, Wilson	4 hr
May 13, 11:10 PM CDT	Flash Flood Warning	EWX	Kerr	3 hr
May 13, 11:16 PM CDT	Flash Flood Warning	EWX	Comal, Guadalupe	3 hr
May 14, 1:26 AM CDT	Flash Flood Warning	EWX	Caldwell	94 min
May 14, 4:32 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	58 min
May 14, 5:25 AM CDT	Flash Flood Warning	EWX	Val Verde	3 hr

Nearby

Flash Flood Warnings in Texas, 2004 Every flash flood warning 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.