Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 30, NWS Midland/Odessa, TX

April 23, 1990Howard County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 23, 1990, 5:03 PM CDT for Howard County, Texas. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 23, 1990, 5:03 PM CDT (22:03 UTC)
Expired: Apr 23, 1990, 6:00 PM CDT
In force: 57 min
Issued by: NWS Midland/Odessa, TX
Area: Whole counties

County Howard County, TX

The radar

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

What was reported inside it

Time	Report	Where	Remark
Apr 23, 5:29 PM CDT	Hail 0.75	Howard, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.1 hours before the alert went out and 82 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 498 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 868 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 232204
SVRMAF
TXC227-232300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
503 PM CDT MON APR 23 1990
 
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST TEXAS
 
   ...HOWARD COUNTY...INCLUDING THE CITY OF BIG SPRING
 
AT 502 PM...A SEVERE THUNDERSTORM WAS INDICATED BY RADAR IN SOUTHWEST
HOWARD COUNTY. THIS STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR.
THE CITY OF BIG SPRING IS IN THE PATH OF THIS STORM.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY 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.

Issued	Product	Office	Counties	Lasted
Apr 23, 12:42 AM CDT	Severe Thunderstorm Warning	MAF	Gaines	48 min
Apr 23, 3:45 PM CDT	Severe Thunderstorm Warning	MAF	Terrell	60 min
Apr 23, 4:48 PM CDT	Severe Thunderstorm Warning	MAF	Upton	57 min
Apr 23, 4:59 PM CDT	Severe Thunderstorm Warning	MAF	Midland	61 min
Apr 23, 5:15 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock	60 min
Apr 23, 6:24 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock	54 min

Nearby

Severe Thunderstorm Warnings in Texas, 1990 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.