Alert archive / Texas / Flash Flood Warnings in 1987

Flash Flood Warning 3, NWS Lubbock, TX

May 28, 1987Garza County, Lynn County, Texas

NWS Lubbock, TX issued this flash flood warning at May 28, 1987, 7:35 AM CDT for Garza County, Lynn County, Texas. It was in force for 115 min.

The area

The counties it named.

The facts

Issued
May 28, 1987, 7:35 AM CDT (12:35 UTC)
Expired
May 28, 1987, 9:30 AM CDT
In force
115 min
Issued by
NWS Lubbock, TX
Area
Whole counties

Counties Garza County, TX, Lynn 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, 0.6 hours before the alert went out and 149 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 12:00Z on 1987-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2235 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 12:00Z on 1987-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 square meters per square second.193958Sfc1 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
2235 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBB 281235
FFWLBB
TXC169-305-281430-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
735 AM CDT THU MAY 28 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 AM CDT AND A
FLASH FLOOD WARNING EFFECTIVE UNTIL  930 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST TEXAS
          ...GARZA...LYNN
 
RAINFALL REPORTS AND RADAR INFORMATION CONFIRMS THAT A LINE OF
THUNDERSTORMS EXTENDING FROM THE PERMIAN BASIN INTO LYNN AND GARZA
COUNTIES IS LIKELY PRODUCING LARGE HAIL AND TORRENTIAL RAINFALL.
FLASH FLOODING IS LIKELY IN THESE COUNTIES FOR THE NEXT TWO HOURS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 28, 2:47 AM CDT, 4 hours 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
245 AM CDT THU MAY 28 1987

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 AM CDT FOR COTTLE
   LUBBOCK...CROSBY...DICKENS...KING...YOAKUM...TERRY...LYNN...GARZA
   AND KENT COUNTIES....THEN AT 3 AM IT WILL BE REPLACED BY A SEVERE
   THUNDERSTORM WATCH THAT WILL INCLUDE ALL THE COUNTIES ON THE SOUTH
   PLAINS AND WILL CONTINUE IN EFFECT UNTIL 8 AM CDT...

...A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR COTTLE...DICKENS
   GARZA...KENT AND KING COUNTIES...

AT 235 AM CDT LUBBOCK RADAR INDICATED SHOWERS AND THUNDERSTORMS OVER
HOCKLEY AND TERRY COUNTIES OF THE TEXAS SOUTH PLAINS. THE STRONGEST
STORM WAS CENTERED NEAR BROWNFIELD. THE PRECIPITATION WAS MOVING
TOWARD THE NORTHEAST ABOUT 30 MILES AN HOUR.

THE POTENTIAL CONTINUES TO EXIST FOR FLOODING IN EASTERN COUNTIES OF
THE SOUTH PLAINS SHOULD ANY OF THE CURRENT ROUND OF SHOWERS AND
THUNDERSTORMS MAKE IT INTO THAT AREA.

ANOTHER SERIES OF STORMS WAS MOVING NORTHEASTWARD FROM THE
HOBBS NEW MEXICO TO MIDLAND PART OF THE PERMIAN BASIN. THESE
STORMS MAY BE MOVING ACROSS THE SOUTH PLAINS DURING THE NEXT
THREE TO FOUR HOURS.

ANY OF THESE STORMS MAY, PRODUCE BRIEF HEAVY RAIN...HAIL AND
GUSTY WIND WITH FREQUENT LIGHTNING AS THEY MOVE ACROSS THE AREA.
Special weather statement, May 28, 3:28 AM CDT, 4 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
325 AM CDT THU MAY 28 1987

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 8 AM FOR ALL
   OF THE SOUTH PLAINS...

...A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR COTTLE...DICKENS
   GARZA...KENT AND KING COUNTIES...

AT 320 AM CDT LUBBOCK RADAR INDICATED SHOWERS AND THUNDERSTORMS OVER
SOUTHERN LUBBOCK AND LYNN COUNTIES OF THE TEXAS SOUTH PLAINS. THE
STRONGEST STORM WAS LOCATED ALONG THE LUBBOCK AND LYNN COUNTY LINE
BETWEEN WOODROW AND TAHOKA. THESE STORMS WERE MOVING NORTHEAST ABOUT
25 MILES AN HOUR.

OTHER THUNDERSTORMS WERE LOCATED FROM EXTREME SOUTHEAST NEW MEXICO
BETWEEN JAL AND HOBBS AND EXTENDED EASTWARD ACROSS THE NORTHERN
COUNTIES OF THE PERMIAN BASIN.  THESE STORMS WERE MOVING NORTHEAST
ABOUT 25 MILES AN HOUR ALSO.

STREAMS IN EASTERN COUNTIES OF THE SOUTH PLAINS CONTINUE BANKFULL
SO THAT ANY OF THESE STORMS THAT MOVE ACROSS THAT PART OFV THE AREA
MAY CAUSE FLOODING THERE.

ANY OF THESE STORMS MAY PRODUCE BRIEF HEAVY RAIN...HAIL AND
GUSTY WIND WITH FREQUENT LIGHTNING AS THEY MOVE ACROSS THE AREA.
Special weather statement, May 28, 4:20 AM CDT, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
420 AM CDT THU MAY 28 1987

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 8 AM FOR ALL
   OF THE SOUTH PLAINS...

AT 410 AM CDT LUBBOCK RADAR AN AREA OF SHOWERS AND THUNDERSTORMS OVER
EASTERN LUBBOCK...EASTERN HALE...WESTERN FLOYD AND CROSBY COUNTIES.
THE STRONGEST STORM WAS LOCATED NEAR RALLS. THESE STORMS WERE MOVING
TOWARD THE NORTHEAST AT ABOUT 25 MILES AN HOUR.

OTHER THUNDERSTORMS WERE BEGINING TO MOVE INTO YOAKUM AND TERRY
COUNTIES. THESE STORMS WERE ALSO MOVING TOWARD THE NORTHEAST AT
ABOUT 30 MILES AN HOUR.

THESE STORMS MAY PRODUCE BRIEF HEAVY RAIN...GUSTY WIND AND POSSIBLE
SMALL HAIL AS THEY PASS THROUGH THE AREA.
Special weather statement, May 28, 6:47 AM CDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
645 AM CDT THU MAY 28 1987

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 AM CDT FOR ALL THE
   SOUTH PLAINS...

AT 640 AM CDT THUNDERSTORMS COVERED MOST OF THE SOUTH PLAINS. STRONGEST
STORMS WERE LOCATED NEAR PLAINVIEW...BETWEEN CLAIRMONT AND JUSTICEBURG
...AND IN SOUTHERN TERRY AND LYNN COUNTIES FROM WELCH TO O'DONNEL. ALL
ACTIVITY WAS MOVING NORTHEAST AT 30 MILES AN HOUR.

THESE STORMS ARE PRODUCING INTENSE CLOUD-TO-GROUND LIGHTNING...VERY
HEAVY RAINFALL AND SOME HAIL.  AT 637 AM CDT...THE PLAINVIEW CIVIL
DEFENSE REPORTED MARBLE SIZED HAIL...HEAVY RAIN AND FREQUENT LIGHTNING.

SOUTH PLAINS RESIDENTS ARE CAUTIONED THAT THIS STORM SYSTEM MAY REQUIRE
A FLASH FLOOD WARNING WITHIN THE NEXT COUPLE OF HOURS.  SOME LOW WATER
CROSSINGS MAY ALREADY BE ACCUMULATING WATER...SO MOTORISTS SHOULD BE
EXTREMELY CAREFUL WHEN COMMUTING THIS MORNING.

PERIODIC STATEMENTS WILL BE ISSUED BY YOUR NATIONAL WEATHER SERVICE AS
INFORMATION BECOMES AVAILABLE.

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 9:54 PM CDTSevere Thunderstorm WarningLUBKent51 min
May 27, 11:09 PM CDTSevere Thunderstorm WarningLUBKing51 min
May 28, 5:17 AM CDTSevere Thunderstorm WarningLUBLynn, Terry58 min
May 28, 6:52 AM CDTSevere Thunderstorm WarningLUBLynn68 min
May 28, 7:35 AM CDTSevere Thunderstorm WarningLUBGarza, Lynn55 min
May 28, 8:40 AM CDTSevere Thunderstorm WarningLUBDickens50 min
May 28, 10:13 AM CDTTornado WarningLUBKing47 min
May 28, 10:27 AM CDTFlash Flood WarningLUBTerry3 hr
May 28, 12:27 PM CDTFlash Flood WarningLUBGarza, Lynn3 hr
May 28, 12:27 PM CDTFlash Flood WarningLUBKent3 hr

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.