Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 29, NWS Midland/Odessa, TX

May 26, 1999Martin County, Midland County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 26, 1999, 9:23 PM CDT for Martin County, Midland County, Texas. It was in force for 2 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
May 26, 1999, 9:23 PM CDT (02:23 UTC)
Expired
May 26, 1999, 11:30 PM CDT
In force
2 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Martin County, TX, Midland County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.4 hours before the alert went out and 323 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, Del Rio, TX at 00:00Z on 1999-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2444 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1999-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
2444 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1347 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 270225
FFWMAF
TXC317-329-270430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND-ODESSA TX
923 PM CDT WED MAY 26 1999

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN MARTIN COUNTY IN TEXAS
  NORTHERN MIDLAND COUNTY IN TEXAS

* UNTIL 1130 PM CDT

* AT 921 PM CDT...WEATHER SERVICE DOPPLER RADAR DETECTED             
  THUNDERSTORMS WITH VERY HEAVY RAIN MOVING ACROSS NORTHERN MIDLAND  
  AND SOUTHERN MARTIN COUNTIES. VERY HEAVY RAINFALL WILL OCCUR FROM  
  THESE STORMS...WHICH WILL CAUSE FLASH FLOODING.

* SOME LOCATIONS AFFECTED BY THIS FLASH FLOOD WARNING INCLUDE... 
  MIDLAND...MISSION DORADO...GREENWOOD...SPRABERRY...COTTON          
  FLAT...AND COURTNEY.

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 HIGHER GROUND.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE.

LAT...LON 3209 10230 3187 10230 3185 10178 3209 10178
          3221 10194 3221 10221 3209 10221

DJK

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this flash flood warning went out at May 26, 9:03 PM CDT, 20 minutes earlier.

Area forecast discussion, May 26, 9:03 PM CDT, 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
903 PM CDT WED MAY 26 1999

AFTER A RESPITE YESTERDAY...ANOTHER ROUND OF SEVERE CONVECTION IS
UNDERWAY FOR THIS PORTION OF W-TEXAS AND SE-NEW MEXICO. THUS FAR
THIS EVENING...HAVE HAD REPORTS OF LARGE HAIL FROM A LEFT MOVING
STORM OVER ODESSA...LARGE HAIL FROM A TORNADIC RIGHT MOVER NEARING
MONAHANS. ALSO HAVE OTHER REPORTS FROM EARLIER STORMS OVER SE/NM.

WW 324 SEVERE BOX FOR NEW MEXICO HAS EXPIRED AT 02Z...WITH CALMER
WX EXPECTED FOR THOSE PARTS. TIMING ON BOXES FOR CURRENT TX BOXES
LOOKS OK. 01Z SURFACE MAP INDICATED A NORTH/SOUTH TROF ALONG EASTERN
NM TO THE WEST OF FST. A PREVAILING NELY LOW-LEVEL FLOW SHOULD
PREVAIL ACROSS THE PERMIAN BASIN AND SE NM. NOT ENUF TIME FOR FURTHER
DETAILS. WILL REVIEW ALL FORECASTS AND WILL SEND UPDATES AS NEEDED.

RSB

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:00 PM CDTSevere Thunderstorm WarningMAFTerrell30 min
May 26, 7:04 PM CDTTornado WarningMAFLoving, Reeves26 min
May 26, 7:25 PM CDTTornado WarningMAFLoving35 min
May 26, 7:26 PM CDTSevere Thunderstorm WarningMAFEctor49 min
May 26, 7:56 PM CDTTornado WarningMAFLoving49 min
May 26, 8:01 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Midland59 min
May 26, 8:16 PM CDTSevere Thunderstorm WarningMAFLoving, Ward, Winkler44 min
May 26, 8:34 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector41 min
May 26, 8:42 PM CDTTornado WarningMAFWard, Winkler33 min
May 26, 9:09 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Midland51 min
May 26, 9:09 PM CDTSevere Thunderstorm WarningMAFMartin51 min
May 26, 9:17 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Ward43 min
May 26, 9:26 PM CDTTornado WarningMAFPecos, Ward34 min
May 26, 10:00 PM CDTTornado WarningMAFPecos, Ward30 min
May 26, 10:29 PM CDTTornado WarningMAFPecos31 min
May 26, 11:03 PM CDTSevere Thunderstorm WarningMAFPecos57 min
May 26, 11:36 PM CDTTornado WarningMAFPecos39 min
May 27, 12:15 AM CDTTornado WarningMAFPecos, Terrell45 min
May 27, 12:15 AM CDTTornado WarningMAFPecos, Terrell30 min
May 27, 1:03 AM CDTFlash Flood WarningMAFPecos117 min
May 27, 2:33 PM CDTSevere Thunderstorm WarningMAFBrewster57 min

Nearby

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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.