Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 68, NWS Midland/Odessa, TX

July 30, 1990Ector County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jul 30, 1990, 6:56 PM CDT for Ector County, Texas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Jul 30, 1990, 6:56 PM CDT (23:56 UTC)
Expired
Jul 30, 1990, 8:00 PM CDT
In force
64 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, 11.9 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 1990-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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, Midland Regional, TX at 12:00Z on 1990-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
30 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
169 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 302357
SVRMAF
TXC135-310100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
656 PM CDT MON JUL 30 1990
 
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST TEXAS
 
   ...SOUTHERN ECTOR COUNTY
 
AT 655 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM IN SOUTHERN ECTOR
COUNTY MOVING SLOWLY TO THE NORTH.
 
 
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, Jul 30, 2:45 PM CDT, 4 hours 11 minutes before
TXZ013-014-016-051-053-NMZ013-302040-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
240 PM CDT MON JUL 30 1990

...FLASH FLOOD WATCH IN EFFECT FOR MOUNTAINOUS AREAS OF WEST TEXAS
BETWEEN THE BIG BEND AND THE GUADALUPE MOUNTAINS FOR THIS AFTERNOON
AND TONIGHT...

AT 230 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED
OVER THE SOUTH PLAINS TO CONCHO VALLEY. THE STRONGEST STORMS WERE
LOCATED IN VICINITY AND NORTHEAST OF ROBERT LEE AND WEST OF SAN ANGELO.
SCATTERED THUNDERSTORMS AND RAINSHOWERS WERE FROM SOUTHEAST NEW MEXICO
EAST TO THE BIG COUNTRY AND EXTENDED SOUTH TO THE RIO GRANDE. MOVEMENT
WAS NORTH AT 10 MILES AN HOUR.
URBAN STREET FLOODING MAY OCCUR IN VICINITY OF THE STRONGER STORMS
AND MOTORISTS SHOULD NOT DRIVE INTO WATER AT LOW AREAS.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
Special weather statement, Jul 30, 2:46 PM CDT, 4 hours 10 minutes before
TXZ013-014-016-051-053-NMZ013-302040-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
240 PM CDT MON JUL 30 1990

...FLASH FLOOD WATCH IN EFFECT FOR MOUNTAINOUS AREAS OF WEST TEXAS
BETWEEN THE BIG BEND AND THE GUADALUPE MOUNTAINS FOR THIS AFTERNOON
AND TONIGHT...

AT 230 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED
OVER THE SOUTH PLAINS TO CONCHO VALLEY. THE STRONGEST STORMS WERE
LOCATED IN VICINITY AND NORTHEAST OF ROBERT LEE AND WEST OF SAN ANGELO.
SCATTERED THUNDERSTORMS AND RAINSHOWERS WERE FROM SOUTHEAST NEW MEXICO
EAST TO THE BIG COUNTRY AND EXTENDED SOUTH TO THE RIO GRANDE. MOVEMENT
WAS NORTH AT 10 MILES AN HOUR.
URBAN STREET FLOODING MAY OCCUR IN VICINITY OF THE STRONGER STORMS
AND MOTORISTS SHOULD NOT DRIVE INTO WATER AT LOW AREAS.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 30, 3:43 PM CDT, 3 hours 13 minutes before
TXZ013-014-016-051-053-NMZ013-302140-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
338 PM CDT MON JUL 30 1990

...FLASH FLOOD WATCH IN EFFECT FOR MOUNTAINOUS AREAS OF WEST TEXAS
BETWEEN THE BIG BEND AND THE GUADALUPE MOUNTAINS FOR THIS AFTERNOON
AND TONIGHT...

AT 330 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED
IN VICINITY AND EAST OF SAN ANGELO...EAST OF CRANE TO NORTHEAST OF BIG
LAKE...SOUTHEAST OF BRONTE...AND SOUTHEAST OF LUBBOCK. THESE STORMS
MAY PRODUCE DANGEROUS LIGHTNING...SMALL HAIL...AND GUSTY WINDS.
SCATTERED THUNDERSTORMS AND RAINSHOWERS WERE FROM SOUTHEAST NEW MEXICO
EAST TO THE BIG COUNTRY AND EXTENDED SOUTH TO THE RIO GRANDE. MOVEMENT
WAS NORTH AT 10 MILES AN HOUR.
URBAN STREET FLOODING MAY OCCUR IN VICINITY OF THE STRONGER STORMS
AND MOTORISTS SHOULD NOT DRIVE INTO WATER AT LOW AREAS.
STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR FURTHER
STATMENTS AND POSSIB3LE WARNINGS.
Special weather statement, Jul 30, 4:46 PM CDT, 2 hours 10 minutes before
TXZ007-008-010>018-024-034-050>054-NMZ013-302245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
430 PM CDT MON JUL 30 1990

...FLASH FLOOD WATCH FOR MOUNTAINOUS AREAS OF WEST TEXAS FOR THIS
AFTERNOON AND TONIGHT...

AT 430 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE ALONG THE
PECOS RIVER FROM EAST OF SANDERSON TO MCCAMEY. THUNDERSTORMS WITH
VERY HEAVY RAIN WERE ALSO WEST OF RANKIN...SOUTH OF FORT STOCKTON...
SOUTH OF MIDLAND...EAST OF LUBBOCK AND NORTHEAST AND SOUTH OF SAN
ANGELO.

OTHER THUNDERSTORMS WERE WIDELY SCATTERED EAST OF A LINE FROM NORTH
OF HOBBS NEW MEXICO TO MARFA.

MOVEMENT WAS NORTH AT 10 MILES AN HOUR.

FLASH FLOODING CAN CATCH YOU WHEN YOU LEAST EXPECT IT. RAIN FROM
SOMEWHERE ELSE CAN RUN OFF INTO THE PATH OF YOUR VEHICLE AND WASH
YOU OFF THE ROAD. IF CAUGHT IN A SITUATION LIKE THIS DO NOT GET OUT
OF YOUR VEHICLE. IF THE WATER IS STRONG ENOUGH TO WASH YOUR VEHICLE
AWAY THER6E IS NO WAY YOU CAN ESCAPE THROUGH THAT SAME WATER.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV...RADIO FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 30, 5:34 PM CDT, 1 hour 22 minutes before
TXZ007-008-010>018-024-034-050>054-NMZ013-302345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
530 PM CDT MON JUL 30 1990

...FLASH FLOOD WATCH FOR MOUNTAINOUS AREAS OF WEST TEXAS FOR THIS
AFTERNOON AND TONIGHT...

AT 530 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE NEAR OZONA...
BAKERSFIELD...CRANE...BIG LAKE...NORTH OF LUBBOCK...EAST OF SHEFFIELD
AND SOUTHEAST OF SAN ANGELO.

OTHER THUNDERSTOMRS WERE WIDELY SCATTERED EAST OF A MARATHON...LUBBOCK
LINE.

MOVEMENT WAS NORTH AT 15 MILES AN HOUR.

FLASH FLOODING CAN CATCH YOU WHEN YOU LEAST EXPECT IT. NORMALLY DRY
CREEKS CAN BECOME RAGING TORRENTS OF WATER FROM THUNDERSTORMS A GREAT
DISTANCE AWAY.

ROADS CAN BECOME COVERED WITH RUNNING WATER THAT APPEARS ONLY INCHES
DEEP. THOSE INCHES OF WATER MAY HAVE ENOUGH FORCE BEHIND THEM TO PUSH
YOU VEHICLE INTO DEEPER WATER ALONG SIDE OF THE ROAD. MOST DEATHS FROM
FLASH FLOODING ARE FROM PEOPLE LEAVINGy THEIR VEHICLE AFTER ITS BEEN
STALLED BY WATER. IF THE WATER HAS ENOUGH FORCE TO PUSH YOUR VEHICLE
AROUND...THINK WHAT IT CAN DO TO YOU.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV...RADIO FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 30, 6:35 PM CDT, 21 minutes before
TXZ007-008-010>018-024-034-050>054-NMZ013-310045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
630 PM CDT MON JUL 30 1990

...FLASH FLOOD WATCH FOR MOUNTAINOUS AREAS OF WEST TEXAS FOR THIS
AFTERNOON AND TONIGHT...

AT 630 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE SOUTH OF ODESSA
...NORTH...EAST AND SOUTH OF FORT STOCKTON...NEAR OZONA...AND SOUTH AND
NORTHWEST OF BIG LAKE.

OTHER THUNDERSTOMRS WERE WIDELY SCATTERED EAST OF A MARATHON...ODESSA
LINE AND EAST OF A SAN ANGELO...LUBBOCK LINE.

VERY LITTLE IF ANY MOVEMENT IS DETECTED.

FLASH FLOODING CAN CATCH YOU WHEN YOU LEAST EXPECT IT. NORMALLY DRY
CREEKS CAN BECOME RAGING TORRENTS OF WATER FROM THUNDERSTORMS A GREAT
DISTANCE AWAY.

ROADS CAN BECOME COVERED WITH RUNNING WATER THAT APPEARS ONLY INCHES
DEEP. THOSE INCHES OF WATER MAY HAVE ENOUGH FORCE BEHIND THEM TO PUSH
YOUR VEHICLE INTO DEEPER WATER ALONG SIDE OF THE ROAD. MOST DEATHS FROM
FLASH FLOODING ARE FROM PEOPLE LEAVING THEIR VEHICLE AFTER ITS BEEN
STALLED BY WATER. IF THE WATER HAS ENOUGH FORCE TO PUSH YOUR VEHICLE
AROUND...THINK WHAT IT CAN DO TO YOU.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV...RADIO 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.