Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS Midland/Odessa, TX

April 26, 1986Upton County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 26, 1986, 5:06 PM CST for Upton County, Texas. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1986, 5:06 PM CST (23:06 UTC)
Expired
Apr 26, 1986, 6:15 PM CST
In force
69 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Upton 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, 11.1 hours before the alert went out and 66 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 1986-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 154 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 1986-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.1939587897Sfc1 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
154 J/kg
Mixed-layer CIN
-332 J/kg
Mixed-layer LCL
1617 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
134 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 262306
SVRMAF
TXC461-270015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
506 PM CST SAT APR 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 615 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

SOUTHWEST TEXAS...SOUTHERN UPTON

AT 500PM CST RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
SOUTHEAST OF MCCAMEY MOVING NORTHEAST AT 25 MILES AN HOUR.

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

 IF YOU ARE IN THE PATH OF THESE DANGEROUS STORMS..GO TO REINFORCED
 SHELTER AND PREPARE FOR DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN
 AND LIGHTNING. REMEMBER THESE STORMS CAN AND OCCASIONALLY DO PRODUCE
 A TORNADO WITH LITTLE OR NO ADVANCE WARNING.

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, Apr 26, 4:44 PM CST, 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
435 PM CST SAT APR 26 1986

...VERY HEAVY THUNDERSTORMS OVER PORTIONS OF WEST TEXAS...

AT 426 PM CST SCATTERED THUNDERSTORMS..SOME VERY HEAVY..WERE OCCURRING
IN AN AREA 90 MILES WIDE FROM 20 MILES SOUTHWEST OF MONAHANS TO 35 MILES
SOUTHEAST OF SANDERSON. HEAVIEST STORMS WERE 20 MILES EAST OF FORT
STOCKTON AND 20 MILES EAST OF SANDERSON. HAIL WAS INDICATED WITH THESE
STORMS.
ELSEWHERE..VERY HEAVY THUNDERSTORMS WERE OCCURRING FROM 30 MILES
SOUTHWEST TO 35 MILES NORTHEAST OF SNYDER.
MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR.

CONDITIONS LOOK FAVORABLE FOR FURTHER STRENGTHENING OF THESE STORMS. STAY
TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO/TV FOR FURTHER STATEMENTS OR
POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 6:39 PM CSTSevere Thunderstorm WarningMAFPecos, Terrell66 min
Apr 25, 6:45 PM CSTSevere Thunderstorm WarningMAFPecos, Terrell60 min
Apr 26, 4:59 PM CSTSevere Thunderstorm WarningMAFPecos61 min

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.