Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 4, NWS Midland/Odessa, TX

April 23, 1986Pecos County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 23, 1986, 6:41 PM CST for Pecos County, Texas. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Apr 23, 1986, 6:41 PM CST (00:41 UTC)
Expired
Apr 23, 1986, 7:10 PM CST
In force
29 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Pecos 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 00:00Z, 0.7 hours before the alert went out and 139 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 00:00Z on 1986-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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 00:00Z on 1986-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 square meters per square second.193958Sfc1 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
160 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
2155 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
-71 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 240041
SVRMAF
TXC371-240130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
641 PM CST WED APR 23 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

SOUTHWEST TEXAS...EASTERN PECOS

AT 635 PM CST A SEVERE THUNDERSTORM WAS LOCATED 20 MILES
SOUTHWEST OF BAKERSFIELD IN PECOS COUNTY. SEVERE THUNDERSTORM
WARNING ISSUED EARLIER FOR PECOS COUNTY HAS BEEN EXTENDED
UNTIL 730 PM CST.

THE SEVERE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 25
MILES AN HOUR.

 IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY...
 AND YOU SHOULD ASK THE NnEAREST LAW ENFORCEMENT AGENCY TO RELAY
 YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE
 OFFICE.

Nearby

Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm warning in 1986

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.