Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 101, NWS Midland/Odessa, TX

July 29, 2004Dawson County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jul 29, 2004, 2:07 AM CDT for Dawson County, Texas. It was in force for 4 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 29, 2004, 2:07 AM CDT (07:07 UTC)
Expired
Jul 29, 2004, 6:00 AM CDT
In force
4 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

County Dawson County, TX

The radar

The Midland/Odessa radar (KMAF), 94 km from the middle of the area, began a volume at 07:08 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, 7.1 hours before the alert went out and 93 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 2004-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1466 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 2004-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
1466 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1243 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
15 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 KMAF 290707
FFWMAF
TXC115-291100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
207 AM CDT THU JUL 29 2004

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DAWSON COUNTY IN WEST TEXAS

* UNTIL 600 AM CDT

* AT 204 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED    
  THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING 10 MILES         
  SOUTHEAST OF WELCH...OR 8 MILES NORTH OF LAMESA...MOVING SOUTHEAST 
  AT 15 MPH. 

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.

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

LAT...LON 3292 10216 3254 10218 3254 10171 3292 10173

$$
2 follow-up statements
000 
WGUS74 KMAF 290859
FFSMAF
TXC115-291100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
359 AM CDT THU JUL 29 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 600 AM CDT FOR DAWSON
COUNTY...

AT 354 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT MOST OF THE HEAVY RAINFALL THAT PROMPTED THE WARNING HAD MOVED 
OUT OF DAWSON COUNTY. HOWEVER...RUNOFF FROM EARLIER RAINFALL IN 
NORTHERN DAWSON COUNTY MAY RESULT IN FLASH FLOODING...ESPECIALLY 
ALONG U.S. HIGHWAY 87 WHERE FLOODING OCCURRED YESTERDAY. IN 
ADDITION...NEW THUNDERSTORM DEVELOPMENT IS OCCURRING OVER PARTS OF 
THE NORTHERN PERMIAN BASIN AND MAY PRODUCE ADDITIONAL HEAVY RAINFALL 
IN DAWSON COUNTY BY 6 AM CDT

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.

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

LAT...LON 3292 10216 3254 10218 3254 10171 3292 10173

$$
000 
WGUS74 KMAF 291029
FFSMAF
TXC115-291100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
525 AM CDT THU JUL 29 2004

...THE FLASH FLOOD WARNING FOR DAWSON COUNTY IS CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT THE HEAVY 
RAINFALL HAS ENDED OVER DAWSON COUNTY. HOWEVER...RUNOFF MAY CONTINUE 
TO RESULT IN FLOODING OF SOME LOW LYING AREAS...ESPECIALLY HIGHWAYS 
87 AND 137 NORTH OF LAMESA.  

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.

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

LAT...LON 3292 10216 3254 10218 3254 10171 3292 10173

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 2:08 AM CDTFlash Flood WarningMAFScurry4 hr
Jul 29, 4:04 PM CDTSevere Thunderstorm WarningMAFGaines41 min
Jul 29, 4:21 PM CDTSevere Thunderstorm WarningMAFAndrews39 min

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.