Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 79, NWS Midland/Odessa, TX

July 25, 2004Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jul 25, 2004, 3:20 AM CDT for Pecos County, Terrell County, Texas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 25, 2004, 3:20 AM CDT (08:20 UTC)
Expired
Jul 25, 2004, 9:15 AM CDT
In force
6 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

Counties Pecos County, TX, Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 147 km from the middle of the area, began a volume at 08:20 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

Midland Regional, TX (KMAF), launched 00:00Z, 8.3 hours before the alert went out and 148 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-pSkew-T log-p diagram, Midland Regional, TX at 00:00Z on 2004-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 674 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2004-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
674 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
914 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMAF 250820
FFWMAF
TXC371-443-251415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
320 AM CDT SUN JUL 25 2004

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PECOS COUNTY IN SOUTHWEST TEXAS
  TERRELL COUNTY IN SOUTHWEST TEXAS

* UNTIL 915 AM CDT

* AT 319 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED    
  FLOOD PRODUCING RAINFALL FROM AN AREA OF THUNDERSTORMS             
  ENCOMPASSING MUCH OF PECOS AND TERRELL COUNTIES.   

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLOODING IS OBSERVED. MOVE TO
HIGHER GROUND.

MOST FLOODING DEATHS ARE PREVENTABLE...AND MANY OCCUR WHEN MOTORISTS
DRIVE ACROSS FLOODED ROADWAYS. IT IS NEVER SAFE TO DRIVE ON FLOODED
ROADS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY
AWAY YOUR VEHICLE. TURN AROUND... DONT DROWN.

TO REPORT FLOODING OR SEVERE WEATHER ONLY... CALL THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN MIDLAND AT 1 800 597 3220.

LAT...LON 2987 10231 3077 10357 3136 10303 3127 10283
      3131 10266 3122 10246 3107 10238 3098 10197
      3090 10187 3071 10182 3063 10166 3057 10164
      3045 10173 3034 10166 3027 10177 2977 10178
      2978 10207

$$
2 follow-up statements
000 
WGUS74 KMAF 251142
FFSMAF
TXC371-443-251415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
641 AM CDT SUN JUL 25 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 915 AM CDT FOR TERRELL AND
PECOS COUNTIES...

AT 633 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LARGE AREA OF THUNDERSTORMS CAPABLE OF PRODUCING MODERATE 
TO HEAVY RAINFALL...AND FLASH FLOODING OVER MUCH OF PECOS AND 
TERRELL COUNTIES. THESE THUNDERSTORMS WERE MOVING NORTH AT 15 MPH.

FLASH FLOODING OF CREEKS AND STREAMS...STREETS AND UNDERPASSES...LOW 
WATER CROSSINGS...AND LOW LYING FARMLAND IS LIKELY. DO NOT DRIVE 
ACROSS FLOODED ROADS.

TO REPORT FLOODING OR SEVERE WEATHER ONLY... CALL THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN MIDLAND AT 1 800 597 3220.

LAT...LON 2987 10231 3077 10357 3136 10303 3127 10283
      3131 10266 3122 10246 3107 10238 3098 10197
      3090 10187 3071 10182 3063 10166 3057 10164
      3045 10173 3034 10166 3027 10177 2977 10178
      2978 10207

$$
000 
WGUS74 KMAF 251328
FFSMAF
TXC371-443-251415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
828 AM CDT SUN JUL 25 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 915 AM CDT FOR TERRELL AND
PECOS COUNTIES...

AT 815 AM CDT...THE STAFF AT THE TERRELL COUNTY GAS PLANT MEASURED 
4.50 INCHES OF RAIN SINCE LATE LAST NIGHT. STANDING WATER WAS MAKING 
TRAVEL IMPOSSIBLE ON SECONDARY ROADWAYS NEAR THE PLANT. NATIONAL 
WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAINFALL CONTINUING 
OVER MOST OF TERRELL COUNTY. THE HEAVIEST RAINFALL CONTINUES TO 
OCCUR ALONG HIGHWAY 349 AND FARM TO MARKET ROAD 2400 IN THE NORTHERN 
PART OF THE COUNTY.

LAT...LON 2987 10231 3077 10357 3136 10303 3127 10283 3131 10266     
      3122 10246 3107 10238 3098 10197 3090 10187 3071 10182 3063    
      10166 3057 10164 3045 10173 3034 10166 3027 10177 2977 10178
      2978 10207

$$

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 8:07 PM CDTFlash Flood WarningMAFUpton3 hr
Jul 25, 4:50 AM CDTFlash Flood WarningMAFLoving, Reeves, Ward6 hr
Jul 25, 9:15 AM CDTFlash Flood WarningMAFPecos, Terrell6 hr
Jul 25, 9:36 AM CDTFlash Flood WarningMAFBrewster6 hr
Jul 25, 9:47 AM CDTFlash Flood WarningMAFEctor3 hr
Jul 25, 3:15 PM CDTFlash Flood WarningMAFPecos, Terrell4 hr

Nearby

Flash Flood Warnings in Texas, 2004Every 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; radar from the NEXRAD Level II archive.