Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 13, NWS Midland/Odessa, TX

May 17, 1987Midland County, Upton County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 17, 1987, 6:38 PM CDT for Midland County, Upton County, Texas. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
May 17, 1987, 6:38 PM CDT (23:38 UTC)
Expired
May 17, 1987, 7:45 PM CDT
In force
67 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

Counties Midland County, TX, 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, 11.6 hours before the alert went out and 40 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 1987-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 12:00Z on 1987-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
2 J/kg
Mixed-layer CIN
-474 J/kg
Mixed-layer LCL
1740 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
128 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 172338
SVRMAF
TXC329-461-180045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
638 PM CDT SUN MAY 17 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  745 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST TEXAS
          ...SOUTHERN MIDLAND...NORTHERN UPTON
 
AT 635 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES
NORTHEAST OF CRANE MOVING NORTHEAST AT 15 MILES AN HOUR.
 
 
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 OZR 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
May 16, 7:02 PM CDTSevere Thunderstorm WarningMAFPecos58 min
May 16, 9:04 PM CDTSevere Thunderstorm WarningMAFEctor, Midland56 min

Nearby

Severe Thunderstorm Warnings in Texas, 1987Every severe thunderstorm warning in 1987

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.