Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 65, NWS Midland/Odessa, TX

August 30, 2003Pecos County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 30, 2003, 10:32 PM CDT for Pecos 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 30, 2003, 10:32 PM CDT (03:32 UTC)
Expired: Aug 31, 2003, 1:30 AM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Counties, with a storm outline in the text

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 136 km from the middle of the area, began a volume at 03:31 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, 3.5 hours before the alert went out and 136 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 378 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1323 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMAF 310334
FFWMAF
TXC371-310630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1032 PM CDT SAT AUG 30 2003

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 130 AM CDT

* AT 1032 PM CDT...WEATHER SERVICE RADAR DETECTED THUNDERSTORMS      
  PRODUCING VERY HEAVY RAINFALL ENTERING PECOS COUNTY...MOVING       
  SOUTHEAST AT AROUND 15 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  BAKERSFIELD...BELDING...COYANOSA...FORT STOCKTON...GIRVIN...
  IRAAN...LONGFELLOW AND SHEFFIELD

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

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. DO NOT DRIVE INTO FLOODED AREAS.

LAT...LON 3078 10357 3133 10302 3119 10271 3105 10230
          3097 10186 3066 10182 3068 10238 3036 10262
          3008 10262

$$

3 follow-up statements

000 
WGUS74 KMAF 310355
FFSMAF
TXC475-310530-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1050 PM CDT SAT AUG 30 2003

...A FLASH FLOOD WARNING CONTINUES FOR WARD COUNTY UNTIL 1230 AM
CDT...

AT 1026 PM CDT...LOCAL LAW ENFORCEMENT REPORTED WATER COMPLETELY 
COVERING SEVERAL PORTIONS OF FARM TO MARKET 1776 BETWEEN HIGHWAY 18 
AND THE PECOS COUNTY LINE IN SOUTHERN WARD COUNTY. AT 1032 PM 
CDT...THE PUBLIC REPORTED EXTENSIVE STREET FLOODING IN GRANDFALLS ON 
HIGHWAY 18...BUT ESPECIALLY ON SIDE ROADS.    

AT 1050 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL MOVING SOUTH AT 
15 MPH ACROSS SOUTHERN WARD COUNTY.  

IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT ATTEMPT TO DRIVE OVER A FLOODED ROAD. THE
ROAD MAY BE WASHED OUT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS DIFFICULT TO RECOGNIZE
FLOOD DANGERS. DO NOT DRIVE INTO FLOODED AREAS.

LAT...LON 3162 10334 3145 10328 3140 10313 3140 10298
          3130 10281 3162 10280 3158 10291 3163 10293
          3164 10310

$$

000 
WGUS74 KMAF 310357 CCA
FFSMAF
TXC371-310630-

FLASH FLOOD STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1050 PM CDT SAT AUG 30 2003

...A FLASH FLOOD WARNING CONTINUES FOR PECOS COUNTY UNTIL 130 AM 
CDT...

AT 1050 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT VERY HEAVY RAINFALL THROUGHOUT PORTIONS OF PECOS COUNTY.  THE 
STORMS PRODUCING THIS HEAVY RAINFALL WERE MOVING SOUTHEAST AT AROUND 
15 MPH.

UP TO 2 FEET OF RUNOFF HAS FLOODED PORTIONS OF US HIGHWAY 385...AND 
2 TO 6 FEET OF RUNOFF HAS FLOODED PORTIONS OF US HIGHWAY 67.

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

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. DO NOT DRIVE INTO FLOODED AREAS.

LAT...LON 3077 10359 3133 10304 3113 10254 3091 10195
          3066 10182 3062 10255 3012 10262

$$

000 
WGUS74 KMAF 310449
FFSMAF
TXC371-310630-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1149 PM CDT SAT AUG 30 2003

...A FLASH FLOOD WARNING CONTINUES FOR PECOS COUNTY UNTIL 130 AM
CDT...

...AT 1120 PM CDT...LAW ENFORCEMENT OFFICIALS REPORTED SIGNIFICANT 
FLOODING ACROSS HIGHWAY 385 FROM 15 MILES SOUTH OF FORT STOCKTON TO 
NEAR THE BREWSTER COUNTY LINE....

AT 1148 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT VERY HEAVY RAINFALL ACROSS MUCH OF PECOS COUNTY...MOVING 
SOUTHEAST AT AROUND 15 MPH. RADAR ESTIMATES BETWEEN 1 AND 2 INCHES 
OF RAIN HAS ALREADY FALLEN OVER MUCH OF CENTRAL AND WESTERN PECOS 
COUNTY SINCE 8 PM THIS EVENING.

MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. NEVER ATTEMPT TO DRIVE 
ACROSS A FLOODED ROAD. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

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

LAT...LON 3076 10358 3135 10305 3124 10247 3096 10184
          3065 10181 3060 10236 3001 10254

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 8:54 PM CDT	Flash Flood Warning	MAF	Ector	3 hr
Aug 30, 9:36 PM CDT	Flash Flood Warning	MAF	Crane, Ward	3 hr
Aug 30, 11:16 PM CDT	Flash Flood Warning	MAF	Midland	3 hr
Aug 30, 11:27 PM CDT	Flash Flood Warning	MAF	Borden	3 hr
Aug 30, 11:39 PM CDT	Flash Flood Warning	MAF	Ector	3 hr
Aug 30, 11:45 PM CDT	Flash Flood Warning	MAF	Brewster	3 hr
Aug 31, 1:18 AM CDT	Flash Flood Warning	MAF	Pecos	5 hr
Aug 31, 1:27 AM CDT	Flash Flood Warning	MAF	Mitchell	3 hr
Aug 31, 2:44 AM CDT	Flash Flood Warning	MAF	Brewster	3 hr

Nearby

Flash Flood Warnings in Texas, 2003 Every 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.