Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 97, NWS Midland/Odessa, TX

July 2, 19874 counties in Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jul 2, 1987, 7:09 PM CDT for 4 counties in Texas. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1987, 7:09 PM CDT (00:09 UTC)
Expired
Jul 2, 1987, 8:15 PM CDT
In force
66 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

Counties Crane County, TX, Ector County, TX, Ward County, TX, Winkler 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, 0.2 hours before the alert went out and 65 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 1987-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1443 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 1987-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1443 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
2899 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 030009
SVRMAF
TXC103-135-475-495-030115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
709 PM CDT THU JUL 2 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  815 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST TEXAS
          ...CRANE...ECTOR...NORTHEASTERN WARD
          ...NORTHEASTERN WINKLER
 
A SEVERE THUNDERSTORMS WAS INDICATED BY RADAR 15 MILES NORTH OF
MONAHANS AND WAS MOVING TO THE SOUTH AT 10 MILES AN HOUR.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:09 PM CDTTornado WarningMAFHoward66 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.