Alert archive / Texas / Flash Flood Warnings in 1987

Flash Flood Warning 1, NWS Lubbock, TX

May 22, 1987Hockley County, Texas

NWS Lubbock, TX issued this flash flood warning at May 22, 1987, 8:38 PM CDT for Hockley County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 22, 1987, 8:38 PM CDT (01:38 UTC)
Expired
May 22, 1987, 10:45 PM CDT
In force
2 hr
Issued by
NWS Lubbock, TX
Area
Whole counties

County Hockley 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 185 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 00:00Z on 1987-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 998 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 00:00Z on 1987-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.193958Sfc1 km3 km6 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
998 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1548 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 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 22, 3:45 PM CDT, 4 hours 53 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, 3 hours 51 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.

IssuedProductOfficeCountiesLasted
May 22, 7:10 PM CDTSevere Thunderstorm WarningLUBHockley65 min
May 22, 8:30 PM CDTSevere Thunderstorm WarningLUBHockley60 min
May 22, 11:38 PM CDTSevere Thunderstorm WarningLUBCrosby, Dickens52 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.