Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 74, NWS Midland/Odessa, TX

September 7, 2003Dawson County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Sep 7, 2003, 10:08 PM CDT for Dawson County, Texas. It was in force for 3 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
Sep 7, 2003, 10:08 PM CDT (03:08 UTC)
Expired
Sep 8, 2003, 1:00 AM CDT
In force
3 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), 88 km from the middle of the area, began a volume at 03:08 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, 3.1 hours before the alert went out and 87 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 2003-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 2003-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.193958Sfc1 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
26 J/kg
Mixed-layer CIN
-247 J/kg
Mixed-layer LCL
1701 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
296 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMAF 080308
FFWMAF
TXC115-080600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1008 PM CDT SUN SEP 7 2003

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 100 AM CDT

* AT 1003 PM CDT...WEATHER SERVICE RADAR DETECTED THUNDERSTORMS   
PRODUCING VERY HEAVY RAINFALL ACROSS MUCH OF DAWSON COUNTY...MOVING 
SOUTHEAST AT 20 MPH. AT 1000 PM CDT...SPOTTERS REPORTED WATER COVERING 
THE ROAD ON FM 178 NORTH OF HANCOCK. 

* SOME LOCATIONS AFFECTED INCLUDE...
    
   ACKERLY...ARVANA...GRANDVIEW...HANCOCK...KEY...MIDWAY...SPARENBERG...
   AND WELCH 

DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMOBILES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS DIFFICULT TO RECOGNIZE
FLOOD DANGERS. 

LAT...LON 3251 10167 3252 10219 3274 10221 3297 10219
          3297 10168

$$
1 follow-up statement
000 
WGUS74 KMAF 080515
FFSMAF
TXC115-080600-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1215 AM CDT MON SEP 8 2003

...A FLASH FLOOD WARNING CONTINUES FOR DAWSON COUNTY UNTIL 100 AM
CDT...

AT MIDNIGHT CDT...LAW ENFORCEMENT REPORTED WATER COVERING U.S. HIGHWAY
180 NEAR THE COMMUNITY OF SAND IN WESTERN DAWSON COUNTY.

AT 1213 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS SOUTHERN AND 
WESTERN DAWSON COUNTY...MOVING SOUTHEAST AT 15 MPH. 

RUNOFF FROM HEAVY RAINS TONIGHT WILL CONTINUE TO PRODUCE FLOODING ACROSS
PARTS OF DAWSON COUNTY...ESPECIALLY IN LOW LYING AND POOR DRAINAGE AREAS.

EXCESSIVE RUNOFF WILL INUNDATE ROADS AND FARM AND RANCH LAND. DO NOT
DRIVE ACROSS FLOODED ROADWAYS NEVER ATTEMPT TO CROSS FLOWING WATER
IN A CAR OR ON FOOT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS DIFFICULT TO RECOGNIZE
FLOOD DANGERS. 

LAT...LON 3251 10167 3252 10219 3274 10221 3297 10219
          3297 10168

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 7:59 PM CDTSevere Thunderstorm WarningMAFUpton46 min
Sep 7, 8:43 PM CDTSevere Thunderstorm WarningMAFDawson62 min
Sep 7, 9:45 PM CDTSevere Thunderstorm WarningMAFDawson30 min
Sep 7, 9:45 PM CDTSevere Thunderstorm WarningMAFBorden60 min
Sep 7, 10:35 PM CDTSevere Thunderstorm WarningMAFDawson55 min
Sep 7, 11:17 PM CDTSevere Thunderstorm WarningMAFMartin58 min
Sep 8, 12:50 AM CDTSevere Thunderstorm WarningMAFAndrews, Gaines55 min
Sep 8, 1:31 AM CDTTornado WarningMAFAndrews, Martin29 min
Sep 8, 2:00 AM CDTTornado WarningMAFMartin45 min

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.