Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 19, NWS Midland/Odessa, TX

May 12, 1994Martin County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 12, 1994, 5:39 PM CDT for Martin County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 12, 1994, 5:39 PM CDT (22:39 UTC)
Expired
May 12, 1994, 7:45 PM CDT
In force
2 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Martin County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.7 hours before the alert went out and 46 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 12:00Z on 1994-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 612 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 1994-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.19395878Sfc1 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
612 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 122241
FFWMAF
TXC317-130045-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
539 PM CDT THU MAY 12 1994
 
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST TEXAS
 
   ...MARTIN COUNTY
 
AT 535 PM CDT...DIME SIZE HAIL WAS BEING REPORTED IN GREENWOOD. THE
THUNDERSTORM CAUSING THIS WILL BE MOVING INTO MARTIN COUNTY NEAR STANTON
WITHIN THE NEXT FEW MINUTES.
 
MOVEMENT IS NORTHEAST AT 15 TO 20 MILES AN HOUR.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCAS&IONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 7:02 PM CDTSevere Thunderstorm WarningMAFHoward58 min
May 11, 7:17 PM CDTFlash Flood WarningMAFHoward118 min
May 11, 7:23 PM CDTFlash Flood WarningMAFPecos3 hr
May 11, 7:37 PM CDTSevere Thunderstorm WarningMAFUpton68 min
May 11, 8:46 PM CDTFlash Flood WarningMAFUpton3 hr
May 11, 9:14 PM CDTFlash Flood WarningMAFGlasscock3 hr
May 12, 12:51 PM CDTFlash Flood WarningMAFAndrews, Gaines3 hr
May 12, 1:18 PM CDTTornado WarningMAFEctor57 min
May 12, 1:49 PM CDTTornado WarningMAFCrane, Pecos56 min
May 12, 2:13 PM CDTSevere Thunderstorm WarningMAFEctor62 min
May 12, 3:03 PM CDTFlash Flood WarningMAFPecos117 min
May 12, 3:03 PM CDTFlash Flood WarningMAFUpton117 min
May 12, 3:31 PM CDTSevere Thunderstorm WarningMAFGaines59 min
May 12, 3:55 PM CDTSevere Thunderstorm WarningMAFEctor65 min
May 12, 4:52 PM CDTTornado WarningMAFMidland59 min
May 12, 5:05 PM CDTFlash Flood WarningMAFPecos3 hr
May 12, 5:05 PM CDTFlash Flood WarningMAFUpton3 hr
May 12, 6:13 PM CDTSevere Thunderstorm WarningMAFBorden, Howard62 min

Nearby

Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994

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.