Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 7, NWS Lubbock, TX
NWS Lubbock, TX issued this severe thunderstorm warning at May 22, 1987, 5:40 PM CDT for Cochran County, Texas. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- May 22, 1987, 5:40 PM CDT (22:40 UTC)
- Expired
- May 22, 1987, 6:45 PM CDT
- In force
- 65 min
- Issued by
- NWS Lubbock, TX
- Area
- Whole counties
County Cochran 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, 10.7 hours before the alert went out and 193 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
- 2177 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 643 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 3.9
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, May 22, 3:45 PM CDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LUBBOCK TX 345 PM CDT FRI MAY 22 1987 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR WESTERN SECTIONS OF WEST TEXAS UNTIL 10 PM CDT THIS EVENING. COUNTIES ON THE SOUTH PLAINS WHICH ARE INCLUDED IN THE WATCH ARE BAILEY...LAMB...COCHRAN ...HOCKLEY...YOAKUM AND TERRY. AT 340 PM CDT RADAR INDICATED INTENSE THUNDERSTORMS SCATTERED OVER EAST CENTRAL NEW MEXICO FROM NEAR CLOVIS SOUTHWARD TO ABOUT 25 MILES WEST OF TATUM. RADAR INDICATED LITTLE MOVEMENT OF THESE STORMS. SHOWERS AND THUNDERSTORMS WERE ALSO DEVELOPING OVER THE WEST CENTRAL PORTION OF THE TEXAS SOUTH PLAINS...AND SCATTERED SHOWERS AND A FEW THUNDERSTORMS CONTINUED OVER THE EASTERN COUNTIES OF THE SOUTH PLAINS. LITTLE MOVEMENT WAS SHOWN OF SHOWERS AND THNDERSTORMS ON THE SOUTH PLAINS. PERSONS ON THE SOUTH PLAINS...PARTICULARLY IN THE WATCH AREA... SHOULD BE ON THE ALERT FOR POTENTIALLY SEVERE GWEATHER. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THUNDERSTORM DEVELOPMENT ON THE SOUTH PLAINS AND LATER STATEMENTS OR POSSIBLE WARNINGS WILL BE ISSUED.
Special weather statement, May 22, 4:47 PM CDT, 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LUBBOCK TX 445 PM CDT FRI MAY 22 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE WESTERN COUNTIES THE TEXAS SOUTH PLAINS UNTIL 10 PM CDT... AT 440 PM CDT RADAR INDICATED INTENSE THUNDERSTORMS EXTENDING FROM THE SOUTHWEST PORTION OF THE TEXAS PANHANDLE SOUTHWESTWARD INTO EAST CENTRAL NEW MEXICO. THE LEADING EDGE OF THESE STORMS HAD SPREAD INTO EXTREME WESTERN COCHRAN COUNTY ON THE SOUTH PLAINS. MOVEMENT WAS TOWARD THE NORTHEAST AT ABOUT 15 MPH. SHOWERS AND A FEW THUNDERSTORMS WERE ALSO SCATTERED OVER THE EXTREME EASTERN PORTION OF THE TEXAS SOUTH PLAINS. THSES SHOWERS WERE ALSO MOVING TO THE NORTHEAST AT ABOUT 15 MPH. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND NEAR THE WATCH AREA. PERSONS IN THOSE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:10 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Lubbock | 50 min |
| May 21, 10:49 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 41 min |
| May 22, 5:09 PM CDT | Severe Thunderstorm Warning | LUB | Cochran | 36 min |
| May 22, 6:36 PM CDT | Tornado Warning | LUB | Cochran, Hockley | 39 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.