Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 2, NWS Lubbock, TX

July 27, 1990Lubbock County, Texas

NWS Lubbock, TX issued this flash flood warning at Jul 27, 1990, 6:15 PM CDT for Lubbock County, Texas. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Jul 27, 1990, 6:15 PM CDT (23:15 UTC)
Expired
Jul 27, 1990, 8:12 PM CDT
In force
117 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Lubbock 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.3 hours before the alert went out and 180 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, Amarillo Airport, TX at 12:00Z on 1990-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 355 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, Amarillo Airport, TX at 12:00Z on 1990-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
355 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
47 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 272318
FFWLBB
TXC303-280215-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
615 PM CDT FRI JUL 27 1990
 
THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST TEXAS
 
   ...LUBBOCK COUNTY
 
WIDESPREAD HEAVY RAINFALL HAS OCCURRED OVER MUCH OF LUBBOCK COUNTY
DURING THE LAST ONE TO TWO HOURS. THE HEAVIEST RAINFALL OCCURRED
IN THE CITY OF LUBBOCK...WITH 1.50 INCHES RECEIVED AT THE LUBBOCK
INTERNATIONAL AIRPORT BY 6 PM CDT.  THE LUBBOCK POLICE DEPARTMENT
REPORTS STREET FLOODING AT ALL MAJOR INTERSECTIONS THROUGHOUT THE
CITY AT 6 PM CDT.
 
AT 610 PM CDT LUBBOCK RADAR SHOWED SCATTERED THUNDERSTORMS...SOME
WITH VERY HEAVY RAIN...ACROSS CENTRAL AND EASTERN SECTIONS OF THE
SOUTH PLAINS. THUNDERSTORMS WITH POTENTIALLY HEAVY RAIN WERE
LOCATED OVER NORTHERN TERRY AND NORTHWEST LYNN COUNTIES AND
SHOULD MOVE INTO THE CITY OF LUBBOCK AROUND 7 PM CDT...OR SHORTLY
THEREAFTER.
 
DUE TO SATURATED GROUND CONDITIONS FROM EARLIER RAINS ADDITIONAL
RAINFALL WILL RESULT IN RAPID RUNOFF AND FLOODING OF LOW LYING.
 
 
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 27, 2:34 PM CDT, 3 hours 41 minutes before
{TXZ007>012-272130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
230 PM CDT FRI JUL 27 1990

...SHOWERS AND THUNDERSTORMS DEVELOP OVER THE TEXAS SOUTH PLAINS...

AT 225 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND
THUNDERSTORMS DEVELOPING OVER THE SOUTH PLAINS...SOME WITH LOCALLY
HEAVY RAINFALL. THE STRONGEST THUNDERSTORMS WERE LOCATED 8 MILES NORTH
OF TOKIO IN NORTHERN YOAKUM COUNTY...2 MILES SOUTH OF WHITEFACE IN
SOUTHEAST COCHRAN COUNTY AND 8 MILES SOUTH OF LUBBOCK IN LUBBOCK
COUNTY.

MOVEMENT WAS NORTH AT 10 MPH.

THE SLOW MOVEMENT OF THE SHOWERS AND THUNDERSTORMS MAY PRODUCE LOCALLY
HEAVY RAIN ALONG WITH STRONG GUSTY WIND...DANGEROUS LIGHTNING AND
POSSIBLY SOME SMALL HAIL.
STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE
WARNINGS.
Special weather statement, Jul 27, 5:34 PM CDT, 41 minutes before
TXZ007>012-280130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
530 PM FRIDAY JULY 27 1990

AT 525 PM WEATHER RADAR CONTINUED TO SHOW SCATTERED THUNDERSTORMS WITH
VERY HEAVY RAIN ACROSS NORTHEAST AND THE CENTRAL SOUTH PLAINS.  HEAVY
RAIN WAS REPORTED LUBBOCK...MOTLEY...AND CROSBY COUNTIES.

OVER THE PAST HOUR AND A HALF MORE THAN 1.3 INCHES OF RAIN HAD FALLEN AT
THE NATIONAL WEATHER SERVICE OFFICE IN LUBBOCK.  WIDESPREAD STREET HAS
ALSO BEEN REPORTED WITH SOME CARS STALLED ON CITY STREETS.

THESE THUNDERSTORMS MAY ALSO PRODUCE VERY STRONG GUSTY WIND...DANGEROUS
LIGHTNING AND HAIL.

MOTORIST SHOULD USE EXTREME CAUTION AND AVOID AREAS WERE WATER COVERS
THE ROAD.
                                                                     >
ADDITIONAL STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 4:00 PM CDTSevere Thunderstorm WarningLUBLubbock60 min
Jul 27, 4:23 PM CDTSevere Thunderstorm WarningLUBCrosby67 min

Nearby

Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990

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.