Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 9, NWS Midland/Odessa, TX

May 15, 1987Pecos County, Reeves County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 15, 1987, 8:07 PM CDT for Pecos County, Reeves County, Texas. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
May 15, 1987, 8:07 PM CDT (01:07 UTC)
Expired
May 15, 1987, 9:00 PM CDT
In force
53 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

Counties Pecos County, TX, Reeves 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, 1.1 hours before the alert went out and 138 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 1987-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 540 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 1987-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
540 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1676 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 160107
SVRMAF
TXC371-389-160200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
807 PM CDT FRI MAY 15 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  900 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST TEXAS
          ...PECOS...REEVES
 
RADAR INDICATES A SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF SARAGOSA
MOVING EAST AT 10 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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

Local storm report, May 15, 3:10 PM CDT, 4 hours 57 minutes before
POST LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIDLAND TX
310 PM CDT FRI MAY 15 1987

             DELAYED REPORT  FOR 5/14/87

TIME          COUNTY             EVENT
2130 CST     ANDREWS TXC003      PUBLIC REPORTED 1" HAIL 15 MILES NW
MIDLAND OR 13 MILES SE ANDREWS.
2145 CST     ECTOR TXC135        MIC CALLED IN REPORT OF 1-11/4" HAIL
2 MILES EAST OF GOLDSMITH.
2210 CST     ECTOR TXC135        MIC REPORTED 1 TO 11/2" HAIL NEAR US
385 & TEXAS HIGHWAY 158.

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 8:55 PM CDTSevere Thunderstorm WarningMAFPecos, Reeves65 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.