Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 59, NWS Midland/Odessa, TX

August 29, 2003Martin County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 29, 2003, 7:58 PM CDT for Martin 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
Aug 29, 2003, 7:58 PM CDT (00:58 UTC)
Expired
Aug 29, 2003, 11:00 PM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

County Martin County, TX

The radar

The Midland/Odessa radar (KMAF), 41 km from the middle of the area, began a volume at 00:59 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, 1.0 hours before the alert went out and 41 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 2003-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 714 joules per kilogram.LCLEL10008507005003002001001 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 2003-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
714 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
2409 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
14 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 300102
FFWMAF
TXC371-461-300400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
758 PM CDT FRI AUG 29 2003

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PECOS COUNTY IN SOUTHWEST TEXAS
  UPTON COUNTY IN WEST TEXAS

* UNTIL 1100 PM CDT

* AT 758 PM CDT...WEATHER SERVICE RADAR DETECTED SLOW MOVING
  THUNDERSTORMS...PRODUCING VERY HEAVY RAINFALL ALONG HIGHWAY 
  67...FROM 7 MILES EAST OF FORT STOCKTON NORTHEAST TO GIRVIN...
  MCCAMEY AND RANKIN. THE STORMS WERE MOVING TO THE NORTHEAST AT
  5 MPH. 

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.

LAT...LON 3099 10284 3073 10249 3082 10211 3107 10203
          3113 10180 3159 10180 3162 10215 3161 10229
          3106 10229 3107 10238 3113 10248 3119 10261

$$
1 follow-up statement
000 
WGUS74 KMAF 300357
FFSMAF
TXC317-300400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1057 PM CDT FRI AUG 29 2003

...THE FLASH FLOOD WARNING FOR MARTIN COUNTY IS BEING ALLOWED TO
   EXPIRE...

NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDING
ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME
MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING IS
ENDING. THUS...THE FLASH FLOOD WARNING IS BEING ALLOWED TO EXPIRE.

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

LAT...LON 3211 10220 3211 10189 3212 10172 3251 10173
          3250 10219

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 7:58 PM CDTFlash Flood WarningMAFPecos, Upton3 hr
Aug 29, 10:17 PM CDTFlash Flood WarningMAFGlasscock, Reagan3 hr
Aug 29, 10:18 PM CDTFlash Flood WarningMAFHoward, Mitchell3 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.