Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 115, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 9, 1987, 9:55 PM CDT for Dawson County, Texas. It was in force for 65 min. 2 reports 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
- Sep 9, 1987, 9:55 PM CDT (02:55 UTC)
- Expired
- Sep 9, 1987, 11:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties
County Dawson 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 |
|---|---|---|---|
| Sep 9, 10:10 PM CDT | Tornado F1 | Dawson, TX | |
| Sep 9, 11:00 PM CDT | Hail 1.75 | Dawson, 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, 2.9 hours before the alert went out and 91 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
- 1785 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1711 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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
Special weather statement, Sep 9, 7:37 PM CDT, 2 hours 18 minutes before
SPECIAL WEATHER AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIDLAND TX 735 PM CDT WED SEP 9 1987 AT 725 PM CDT...VERY STRONG THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM 20 MILES NORTH OF SNYDER TO JUST SOUTH OF LITTLEFIELD ...AND FROM WEST OF VAN HORN TO THE DAVIS MOUNTAINS TO SOUTH OF FORT STOCKTON. THE STRONGEST THUNDERSTORM WAS LOCATED 15 MILES NORTHWEST OF LUBBOCK. MOVEMENT WAS TO THE SOUTHEAST AT 15 MILES AN HOUR. THESE VERY STRONG THUNDERSTORMS WILL PRODUCE HIGH WINDS...DANGEROUS LIGHTNING...SMALL HAIL...AND FLOODING OF LOW LYING AREAS. PLEASE SEEK A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.
Special weather statement, Sep 9, 8:36 PM CDT, 1 hour 19 minutes before
SPECIAL WEATHER AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIDLAND TX 835 PM CDT WED SEP 9 1987 AT 825 PM CDT...VERY STRONG THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM WEST AND SOUTH OF LUBBOCK TO 20 MILES SOUTHWEST OF GUTHRIE. OTHER THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM NORTH OF ALPINE TO THE VAN HORN AREA. THE STRONGEST THUNDERSTORM WAS LOCATED 15 MILES SOUTHWEST OF LUBBOCK. MOVEMENT WAS TO THE SOUTH AT 15 MILES LAN HOUR. THESE VERY STRONG THUNDERSTORMS WILL PRODUCE HIGH WINDS...DANGEROUS LIGHTNING...SMALL HAIL...AND FLOODING OF LOW LYING AREAS. PLEASE SEEK A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.
Special weather statement, Sep 9, 8:39 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIDLAND TX 835 PM CDT WED SEP 9 1987 AT 825 PM CDT...VERY STRONG THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM WEST AND SOUTH OF LUBBOCK TO 20 MILES SOUTHWEST OF GUTHRIE. OTHER THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM NORTH OF ALPINE TO THE VAN HORN AREA. THE STRONGEST THUNDERSTORM WAS LOCATED 15 MILES SOUTHWEST OF LUBBOCK. MOVEMENT WAS TO THE SOUTMH AT 15 MILES AN HOUR. THESE VERY STRONG THUNDERSTORMS WILL PRODUCE HIGH WINDS...DANGEROUS LIGHTNING...SMALL HAIL...AND FLOODING OF LOW LYING AREAS. PLEASE SEEK A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.
Special weather statement, Sep 9, 9:35 PM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIDLAND TX 935 PM CDT WED SEP 9 1987 AT 930 PM CDT...VERY STRONG THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM 25 MILES SOUTH OF GUTHRIE TO NEAR BROWNFIELD. AND RAINSHOWERS WERE LOCATED IN THE DAVIS MOUNTAIN AREA. THE STRONGEST THUNDERSTORMS WERE LOCATED 10 MILES EAST AND 15 TO 20 MILES SOUTHEAST OF BROWNFIELD. MOVEMENT WAS TO THE SOUTH AT 15 MILES AN HOUR. ZTHESE VERY STRONG THUNDERSTORMS WILL PRODUCE HIGH WINDS...DANGEROUS LIGHTNING...SMALL HAIL...AND FLOODING OF LOW LYING AREAS. PLEASE SEEK A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.
The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 10:15 PM CDT | Tornado Warning | MAF | Dawson | 45 min |
| Sep 9, 10:49 PM CDT | Tornado Warning | MAF | Dawson | 41 min |
| Sep 9, 11:36 PM CDT | Tornado Warning | MAF | Dawson, Martin | 54 min |
| Sep 10, 12:11 AM CDT | Severe Thunderstorm Warning | MAF | Howard | 64 min |
| Sep 10, 12:56 AM CDT | Tornado Warning | MAF | Howard | 34 min |
| Sep 10, 1:16 AM CDT | Severe Thunderstorm Warning | MAF | Glasscock | 29 min |
| Sep 10, 4:51 PM CDT | Tornado Warning | MAF | Eddy | 54 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.