Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 73, NWS Midland/Odessa, TX

August 4, 1990Ector County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Aug 4, 1990, 5:29 PM CDT for Ector County, Texas. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1990, 5:29 PM CDT (22:29 UTC)
Expired
Aug 4, 1990, 6:30 PM CDT
In force
61 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Ector County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 10.5 hours before the alert went out and 322 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 12:00Z on 1990-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1191 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 12:00Z on 1990-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1191 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 042229
SVRMAF
TXC135-042330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
529 PM CDT SAT AUG 4 1990
 
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST TEXAS
 
   ...ECTOR COUNTY
 
AT 525 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN
GOLDSMITH AND ODESSA. THIS THUNDERSTORM IS CAPABLE OF PRODUCING WIND
GUSTS OF 60 MPH OR GREATER...LARGE HAIL...AND VERY HEAVY RAIN.
 
THE THUNDERSTORM IS MOVING SOUTHEAST AT 10 MILES AN HOUR.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

What forecasters said that day

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

In the hours before

Special weather statement, Aug 4, 2:48 PM CDT, 2 hours 41 minutes before
TXZ013-014-016-051-053-NMZ013-042040-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
238 PM CDT SAT AUG 04 1990

...STRONG THUNDERSTORMS OVER WEST TEXAS AND SOUTHEAST NEW MEXICO...

AT 230 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN FROM NORTH OF
SEMINOLE TO SOUTHWEST OF HOBBS NEW MEXICO THEN SOUTH TO NORTHWEST
OF PECOS. SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WERE ALSO
SCATTERED FROM NORTHWEST OF IRAAN TO WEST OF OZONA AND NORTHWEST OF
SONORA. THESE THUNDERSTORMS MAY PRODUCE DANGEROUS LIGHTNING...STRONG
WINDS...SMALL HAIL...AND SOME FLOODING OF LOW AREAS. THUNDERSTORMS
WERE WIDELY SCATTERED OVER THE SOUTH PLAINS...NORTHERN PERMIAN BASIN...
SOUTHERN CONCHO VALLEY...SOUTHERN PERMIAN BASIN SOUTHWEST TO BIG BEND.
MOVEMENT WAS SOUTHEAST AT 10 MILES AN HOUR.
STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.