Alert archive / Texas / Flash Flood Warnings in 1988

Flash Flood Warning 13, NWS Lubbock, TX

July 10, 1988Lynn County, Texas

NWS Lubbock, TX issued this flash flood warning at Jul 10, 1988, 4:44 PM CDT for Lynn County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 10, 1988, 4:44 PM CDT (21:44 UTC)
Expired
Jul 10, 1988, 6:45 PM CDT
In force
2 hr
Issued by
NWS Lubbock, TX
Area
Whole counties

County 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, 9.7 hours before the alert went out and 141 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 1988-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 389 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 1988-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939Sfc1 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
389 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
20 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

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

000 
TTAA00 KLBB 102144
FFWLBB
TXC305-102345-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
444 PM CDT SUN JUL 10 1988
 
THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST TEXAS
          ...LYNN
 
AT 435 PM THE LYNN COUNTY SHERIFFS OFFICE REPORTED WATER COVERED
PORTIONS OF U.S. 380 AND FM 2332 IN LYNN COUNTY. FLOODING WAS ALSO
REPORTED IN THE COMMUMUTIES OF GRASSLAND AND DRAW...AND VERY HEAVY
RAIN CONTINUED FALLING IN THOSE COMMUNITIES.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO"
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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, Jul 10, 12:57 PM CDT, 3 hours 47 minutes before
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
1255 PM CDT SUN JUL 10 1988

...FLASH FLOOD WARNING IN EFFECT FOR YOUKUM COUNTY UNTIL 145 PM
   CDT...

...FLASH FLOOD WARNING IN EFFECT FOR TERRY COUNTY UNTIL 245 PM CDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE WESTERN SOUTH PLAINS AND THE
   PERMIAN BASIN UNTIL 5 PM CDT. COUNTIES ON THE SOUTH PLAINS IN THE
   WATCH AREA ARE BAILEY...COCHRAN...YOAKUM...LAMB...HOCKLEY...TERRY
   ...HALE...LUBBOCK...LYNN...FLOYD...CROSBY AND GARZA...

AT 1252 PM CDT LUBBOCK RADAR INDICATED WIDESPREAD SHOWERS AND
THUNDERSTORMS...SOME WITH HEAVY RAINFALL...COVERING THE WESTERN
TWO-THIRDS OF THE SOUTH PLAINS. REPORTS FROM LAW ENFORCEMENT
PERSONNEL INDICATE WATER REMAINS OVER ROADS IN SOME AREAS OF
YOAKUM AND TERRY COUNTIES.
<
AT 1252 PM CDT THE STRONGER STORMS WERE LOCATED OVER HALE AND FLOYD
COUNTIES.

ALL PRECIPITATION WAS DRIFTING TO THE EAST SOUTHEAST AT ABOUT 5 MPH.

DUE TO LIGHT STEERING WINDS AND THE SLOW MOVEMENT OF THE STORMS...
ADDITIONAL HEAVY RAINFALL IS LIKELY OVER PORTIONS OF THE WATCH AREA
FOR THE REMAINDER OF TODAY.  PREVIOUS HEAVY RAINFALL OVER THE WATCH
AREA HAS CAUSED SATURATED SOIL CONDITIONS. CONSEQUENTLY ANY
ANY ADDITIONAL HEAVY RAIN WILL RESULT IN RAPID RUNOFF AND FLASH
FLOODING.

A FLASH FLOOD WATCH MEANS THAT THE THREAT OF FLASH FLOODING EXISTS IN
THE INDICATED AREA.  CHECK PREPAREDNESS REQUIREMENTS AND KEEP INFORMED.
BE READY FOR QpUICK ACTION IF FLASH FLOODING IS OBSERVED OR A WARNING
IS ISSUED.

STAY TUNED TO YOUR LOCAL RADIO OR TV STATION...OR LISTEN TO NOAA
WEATHER RADIO FOR PERIODIC STATEMENTS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 8:55 AM CDTFlash Flood WarningLUBYoakum3 hr
Jul 10, 9:32 AM CDTFlash Flood WarningLUBHockley2 hr
Jul 10, 10:47 AM CDTFlash Flood WarningLUBTerry118 min
Jul 10, 11:37 AM CDTFlash Flood WarningLUBYoakum2 hr
Jul 10, 12:42 PM CDTFlash Flood WarningLUBTerry2 hr
Jul 10, 5:32 PM CDTFlash Flood WarningLUBLubbock3 hr

Nearby

Flash Flood Warnings in Texas, 1988Every flash flood warning in 1988

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.