Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 64, NWS Midland/Odessa, TX

August 31, 1986Ector County, Midland County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Aug 31, 1986, 9:46 PM CDT for Ector County, Midland County, Texas. It was in force for 59 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
Aug 31, 1986, 9:46 PM CDT (02:46 UTC)
Expired
Aug 31, 1986, 10:45 PM CDT
In force
59 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

Counties Ector County, TX, Midland 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

TimeReportWhereRemark
Aug 31, 10:10 PM CDTHail 0.75Ector, 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 00:00Z, 2.8 hours before the alert went out and 12 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 1986-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1712 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 1986-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
1712 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1344 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.3

Open this sounding in Storm Lab

The text

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

000 
TTAAOO KMAF 010246
SVRMAF
TXC135-329-010345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
946 PM CDT SUN AUG 31 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN SOUTHWEST TEXAS
          ..ECTOR..MIDLAND

AT 945 PM CDT RADAR CONTINUED TO SHOW A BAND OF SEVERE THUNDERSTORMS
FROM JUST SOUTH OF GOLDSMITH TO NEAR MIDLAND.
 
THE THUNDERSTORMS WERE MOVING VERY SLOWLY SOUTH.
 
DUE TO THE SLOW MOVEMENT AND VERY HEAVY RAINS..STREET FLOODING AND
FLOODING OF LOW LYING AREAS IS LIKELY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH,
DESTRUCTIVE HAIL, DEADLY LIGHTNING AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 7:06 PM CDTSevere Thunderstorm WarningMAFEctor, Winkler30 min
Aug 31, 7:39 PM CDTSevere Thunderstorm WarningMAFMartin66 min
Aug 31, 7:39 PM CDTSevere Thunderstorm WarningMAFWard, Winkler66 min
Aug 31, 7:52 PM CDTSevere Thunderstorm WarningMAFAndrews58 min
Aug 31, 8:37 PM CDTSevere Thunderstorm WarningMAFMidland68 min
Aug 31, 9:05 PM CDTSevere Thunderstorm WarningMAFEctor55 min
Aug 31, 10:51 PM CDTSevere Thunderstorm WarningMAFHoward54 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.