Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 11, NWS Midland/Odessa, TX

April 1, 1990Andrews County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 1, 1990, 2:45 PM CDT for Andrews County, Texas. It was in force for 60 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 1, 1990, 2:45 PM CDT (19:45 UTC)
Expired: Apr 1, 1990, 3:45 PM CDT
In force: 60 min
Issued by: NWS Midland/Odessa, TX
Area: Whole counties

County Andrews 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 1, 2:50 PM CDT	Hail 0.75	Andrews, 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, 7.8 hours before the alert went out and 57 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: 284 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 011949
SVRMAF
TXC003-012045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
245 PM CDT SUN APR 1 1990
 
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST TEXAS
 
   ...ANDREWS COUNTY...AND THE CITY OF ANDREWS
 
 
AT 240 PM THE PUBLIC REPORTED GOLF BALL SIZE HAIL 10 MILES WEST OF
ANDREWS. THIS STORM WAS MOVING NORTHEAST AT 10 MILES AN HOUR.
 
THE CITY OF ANDREWS IS IN THE PATH OF THIS SEVERE THUMDERSTORM.
 
 
 
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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 4:19 PM CDT	Severe Thunderstorm Warning	MAF	Midland	56 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.