Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 8, NWS Lubbock, TX
NWS Lubbock, TX issued this flash flood warning at May 29, 1987, 8:34 PM CDT for Terry County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 29, 1987, 8:34 PM CDT (01:34 UTC)
- Expired
- May 29, 1987, 11:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lubbock, TX
- Area
- Whole counties
County Terry 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, 1.6 hours before the alert went out and 137 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
- 706 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLBB 300134
FFWLBB
TXC169-305-445-300430-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
834 PM CDT FRI MAY 29 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST TEXAS
...GARZA...SOUTHERN LYNN...TERRY
INTENSE RAINFALL FROM STRONG THUNDERSTORMS CONTINUES ACROSS
SOUTHCENTRAL COUNTIES OF THE SOUTH PLAINS. THESE STORMS HAVE
PERSISTED NOW IN THIS AREA FOR MORE THAN 2 HOURS. VERY HEAVY
RAINFALL ALSO COVERED THIS AREA EARLIER IN THE WEEK.
THUNDERSTORMS ARE STATIONARY...ALTHOUGH NEW DEVELOPMENT
CONTINUES TO THE WEST INTO YOAKUM COUNTY.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.What forecasters said that day
The local office's own words before this flash flood 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 29, 5:05 PM CDT, 3 hours 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
500 PM CDT FRI MAY 29 1987
...A TORNADO WATCH WILL BE IN EFFECT FROM 530 PM CDT UNTIL 1100 PM CDT
FOR BAILEY...LAMB...HALE...FLOYD...MOTLEY...COCHRAN...HOCKLEY...
LUBBOCK...CROSBY...YOAKUM...TERRY...LYNN AND GARZA COUNTIES...
AT 5 PM CDT LUBBOCK RADAR WAS INDICATING A VERY STRONG THUNDERSTORM
IN SOUTHERN LYNN COUNTY NEAR ODONNELL. THE STORM WAS MOVING NORTH AT
12 MILES PER HOUR. AT 438 PM THE FIRE STATION AT ODONNELL HAD NO
WEATHER BUT IT THE CLOUDS WERE BOILING. RADAR WAS SHOWING RAPID
INTENSIFICATION.
OTHER ISOLATED SHOWERS WERE DEVELOPING IN BAILEY AND COCHRAN COUNTY.
OTHER STATEMENTS WILL BE ISSUED SOON.The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:06 PM CDT | Severe Thunderstorm Warning | LUB | Lynn | 25 min |
| May 29, 7:47 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 58 min |
| May 29, 8:34 PM CDT | Flash Flood Warning | LUB | Garza, Lynn | 3 hr |
| May 29, 10:45 PM CDT | Tornado Warning | LUB | Lamb | 60 min |
| May 29, 11:46 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 44 min |
Nearby
Flash Flood Warnings in Texas, 1987Every flash flood 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.