Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 80, NWS Midland/Odessa, TX

September 25, 2003Howard County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Sep 25, 2003, 12:35 PM CDT for Howard County, Texas. It was in force for 115 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
Sep 25, 2003, 12:35 PM CDT (17:35 UTC)
Expired
Sep 25, 2003, 2:30 PM CDT
In force
115 min
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

County Howard County, TX

The radar

The Midland/Odessa radar (KMAF), 88 km from the middle of the area, began a volume at 17:38 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 12:00Z, 5.6 hours before the alert went out and 89 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 12:00Z on 2003-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1215 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 12:00Z on 2003-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1215 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
25 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 251735
FFWMAF
TXC227-251930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1235 PM CDT THU SEP 25 2003

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 230 PM CDT

* AT 1234 PM CDT...WEATHER SERVICE RADAR INDICATED VERY HEAVY
  RAINFALL WAS OCCURRING 4 MILES WEST OF SAND SPRINGS...OR ABOUT 5
  MILES NORTHEAST OF BIG SPRING...MOVING NORTHEAST AT 10 MPH. MORE
  THAN 2 1/2 INCHES OF RAIN ARE ESTIMATED TO HAVE FALLEN OVER PARTS OF
  BIG SPRING RESULTING IN FLOODED ROADWAYS AND STALLED CARS.

* SOME LOCATIONS AFFECTED INCLUDE...
  BIG SPRING...COAHOMA...FAIRVIEW...LUTHER...SAND SPRINGS AND VINCENT

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

LAT...LON 3214 10140 3232 10159 3251 10142 3251 10119
          3231 10119

$$  

05
1 follow-up statement
000 
WGUS74 KMAF 251929
FFSMAF
TXC227-252030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
224 PM CDT THU SEP 25 2003

...THE FLASH FLOOD WARNING FOR HOWARD COUNTY WILL BE ALLOWED TO EXPIRE...

AT 225 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE 
RAINFALL WAS ENDING ACROSS HOWARD COUNTY...AND THE FLOOD THREAT WAS 
DIMINISHING. THEREFORE...THE FLASH FLOOD WARNING IS BEING ALLOWED TO 
EXPIRE. HOWEVER...DUE TO THE HEAVY RAINFALL EXPERIENCED EARLIER IN 
THE COMMUNITY OF BIG SPRING AND SURROUNDING LOCATIONS...FLOOD WATERS WILL 
BE SLOW TO RECEDE.

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

LAT...LON 3213 10167 3213 10120 3250 10121 3249 10164

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 10:21 AM CDTFlash Flood WarningMAFReagan, Upton3 hr
Sep 25, 1:22 PM CDTFlash Flood WarningMAFReagan3 hr
Sep 25, 1:22 PM CDTFlash Flood WarningMAFMitchell2 hr
Sep 25, 3:04 PM CDTFlash Flood WarningMAFPecos, Terrell3 hr

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.