Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 84, NWS Midland/Odessa, TX

September 21, 1990Ector County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 21, 1990, 2:03 PM CDT for Ector County, Texas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Sep 21, 1990, 2:03 PM CDT (19:03 UTC)
Expired
Sep 21, 1990, 3:00 PM CDT
In force
57 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

Midland Regional, TX (KMAF), launched 12:00Z, 7.1 hours before the alert went out and 34 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 1990-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Midland Regional, TX at 12:00Z on 1990-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 211907 COR
SVRMAF
TXC135-212000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
203 PM CDT FRI SEP 21 1990

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHWEST TEXAS

   ...ECTOR COUNTY...INCLUDING THE CITY OF ODESSA...

AT 200 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES
SOUTH OF GOLDSMITH.

A REPORT FROM THE PUBLIC AT 155 PM CDT INDICATED A TORNADO WITH THIS
THUNDERSTORM WHICH HAS NOW DISAPPEARED BACK INTO THE CLOUD.

THE THUNDERSTORM IS MOVING NORTHEAST AT 10 MILES AN HOUR.


IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, Sep 21, 11:47 AM CDT, 2 hours 16 minutes before
TXZ007-008-010>018-024-034-050>054-NMZ013-211740-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
1139 AM CDT FRI SEP 21 1990

...FLASH FLOOD WATCH IN EFFECT FOR PERMIAN BASIN...CONCHO VALLEY...
LOWER PECOS VALLEY...AND BIG BEND AREA UNTIL 7PM CDT...

AT 1127 AM CDT...SCATTERED THUNDERSTORMS WITH HEAVY RAIN WERE LOCATED
FROM WEST OF SWEETWATER TO EAST OF BIG SPRING AND SOUTHWEST OF STERLING
CITY.
RAINSHOWERS...THUNDERSTORMS AND PATCHES OF RAIN WERE WIDELY SCATTERED
OVER SOUTHEAST NEW MEXICO...NORTHERN PERMIAN BASIN...SOUTHERN SOUTH
PLAINS TO THE BIG COUNTRY. THUNDERSTORMS ARE EXPECTED TO INCREASE IN
NUMBER AND INTENSITY DURING THE AFTERNOON WITH POSSIBLE FLASH FLOODS
IN VICINITY OF THE STRONGER STORMS.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
STATEMENTS AND BULLETINS.
Special weather statement, Sep 21, 12:36 PM CDT, 1 hour 27 minutes before
TXZ007-008-010>018-024-034-050>054-NMZ013-211840-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
1232 PM CDT FRI SEP 21 1990

...FLASH FLOOD WATCH IN EFFECT FOR PERMIAN BASIN...CONCHO VALLEY...
LOWER PECOS VALLEY...AND BIG BEND AREA UNTIL 7PM CDT...

AT 1227 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED
EAST TO SOUTHEAST OF BIG SPRING. SCATTERED RAINSHOWERS AND THUNDER-
STORMS...SOME WITH HEAVY RAIN...ALONG WITH AN AREA OF RAIN WERE OVER
THE NORTHERN AND EASTERN PERMIAN BASIN EXTENDING TO THE NORTH OF
ABILENE. WIDELY SCATTERED RAINSHOWERS AND A FEW THUNDERSTORMS WERE
OVER THE SOUTHERN SOUTH PLAINS AND SOUTHEAST NEW MEXICO. MOVEMENT WAS
NORTHEAST A1T 10 MILES AN HOUR. FLASH FLOODS ARE POSSIBLE THIS AFTER-
NOON IN VICINITY OF THE STRONGER STORMS.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
STATEMENTS AND BULLETINS.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 4:01 PM CDTFlash Flood WarningMAFEctor3 hr
Sep 21, 4:14 PM CDTFlash Flood WarningMAFWard3 hr

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.