Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 91, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jun 29, 1987, 8:35 PM CDT for Howard County, Texas. It was in force for 55 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
- Jun 29, 1987, 8:35 PM CDT (01:35 UTC)
- Expired
- Jun 29, 1987, 9:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties
County Howard 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 8:35 PM CDT | Hail 1 | Howard, 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, 1.6 hours before the alert went out and 82 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.
- Mixed-layer CAPE
- 2311 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 1755 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMAF 300144 COR
SVRMAF
TXC227-300230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION
NATIONAL WEATHER SERVICE MIDLAND TX
842 PM CDT MON JUN 29 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHWEST TEXAS
...HOWARD
AT 835 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM AT BIG SPRING AND
A SPOTTER REPORTED 3/4 TO 1 INCH HAIL ON THE SOUTH SIDE OF BIG SPRING.
THIS STORM WAS MOVING TO THE SOUTH 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 PROTECTFION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:10 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Dawson | 50 min |
| Jun 29, 7:56 PM CDT | Severe Thunderstorm Warning | MAF | Martin | 64 min |
| Jun 29, 9:20 PM CDT | Severe Thunderstorm Warning | MAF | Martin, Midland | 55 min |
| Jun 29, 9:35 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock | 115 min |
| Jun 29, 10:14 PM CDT | Severe Thunderstorm Warning | MAF | Midland | 61 min |
| Jun 30, 3:33 AM CDT | Severe Thunderstorm Warning | MAF | Howard | 57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.