Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 15, NWS Midland/Odessa, TX

April 27, 2000Pecos County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Apr 27, 2000, 7:36 PM CDT for Pecos County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Apr 27, 2000, 7:36 PM CDT (00:36 UTC)
Expired
Apr 27, 2000, 11:30 PM CDT
In force
4 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 127 km from the middle of the area, began a volume at 00:38 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 00:00Z, 0.6 hours before the alert went out and 128 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 2000-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1322 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 2000-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1322 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
2061 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMAF 280041
FFWMAF
TXC371-280430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
736 PM CDT THU APR 27 2000

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

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

* UNTIL 1130 PM CDT

* AT 732 PM CDT...WEATHER SERVICE DOPPLER RADAR DETECTED NEARLY      
  STATIONARY THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING SLOWLY    
  SOUTH ALONG THE PECOS RIVER BETWEEN IRAAN AND SHEFFIELD.

* SOME LOCATIONS AFFECTED BY THIS FLASH FLOOD WARNING INCLUDE...     
  SHEFFIELD...IRAAN...AND LOCATIONS ALONG INTERSTATE 10 NEAR THE     
  PECOS AND CROCKETT COUNTY LINE.

THIS IS A DANGEROUS SITUATION. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGtHER GROUND.

IF FLOODING IS OBSERVED...ACT QUICKLY TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3092 10206 3069 10195 3067 10180 3091 10187

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 7:59 PM CDTSevere Thunderstorm WarningMAFPecos61 min
Apr 27, 9:08 PM CDTSevere Thunderstorm WarningMAFTerrell52 min
Apr 28, 6:57 PM CDTSevere Thunderstorm WarningMAFReeves63 min

Nearby

Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000

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.