Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 29, NWS Midland/Odessa, TX

April 5, 2004Mitchell County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Apr 5, 2004, 9:47 PM CDT for Mitchell 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: Apr 5, 2004, 9:47 PM CDT (02:47 UTC)
Expired: Apr 6, 2004, 12:45 AM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Counties, with a storm outline in the text

County Mitchell County, TX

The radar

The San Angelo radar (KSJT), 118 km from the middle of the area, began a volume at 02:51 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, 2.8 hours before the alert went out and 123 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: 39 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 108 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 060248
FFWMAF
TXC335-060545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
947 PM CDT MON APR 5 2004

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 1245 AM CDT

* AT 942 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ACROSS MITCHELL COUNTY.
  ADDITIONAL THUNDERSTORMS PRODUCING HEAVY RAINFALL WILL MOVE INTO  
  MITCHELL COUNTY FROM THE SOUTHWEST THROUGH 1200 AM CDT. MOVEMENT     
  WILL BE NORTHEAST AT 20 MPH. RAINFALL AMOUNTS OF 2 TO 3 
  INCHES...WITH LOCALLY HIGHER AMOUNTS WILL BE POSSIBLE IN THE 
  WARNED AREA...WHICH MAY CAUSE EXTENSIVE FLOODING.

* SOME LOCATIONS AFFECTED BY THE FLASH FLOODING INCLUDE...
  COLORADO CITY...LORAINE...WESTBROOK...CUTHBERT.

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

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.

LAT...LON 3251 10119 3210 10118 3212 10069 3251 10068

$$

1 follow-up statement

000 
WGUS74 KMAF 060419
FFSMAF
TXC335-060545-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1119 PM CDT MON APR 5 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MITCHELL COUNTY UNTIL 
1245 AM CDT...

AT 1000 PM CDT...A TRAINED SPOTTER REPORTED WATER COVERING FARM ROAD 
1229...4 MILES NORTH OF INTERSTATE 20.

AT 1114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS 
MUCH OF MITCHELL COUNTY. RADAR ESTIMATES THAT 1 TO 3 INCHES OF RAIN 
HAVE FALLEN ACROSS THE COUNTY THIS EVENING. THE HEAVY RAINFALL IS 
EXPECTED TO GRADUALLY COME TO AN END AROUND OR SHORTLY AFTER 1200 AM 
CDT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.  DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 8:31 PM CDT	Flash Flood Warning	MAF	Howard	3 hr
Apr 5, 10:11 PM CDT	Flash Flood Warning	MAF	Scurry	3 hr
Apr 6, 6:10 AM CDT	Flash Flood Warning	MAF	Gaines	4 hr

Nearby

Flash Flood Warnings in Texas, 2004 Every 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.