Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 5, NWS Amarillo, TX

July 28, 1990Lipscomb County, Texas

NWS Amarillo, TX issued this flash flood warning at Jul 28, 1990, 9:43 PM CDT for Lipscomb County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 28, 1990, 9:43 PM CDT (02:43 UTC)
Expired
Jul 29, 1990, 12:45 AM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

County Lipscomb 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

Dodge City, (KDDC), launched 00:00Z, 2.7 hours before the alert went out and 169 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, Dodge City, at 00:00Z on 1990-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 303 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, Dodge City, at 00:00Z on 1990-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
303 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1523 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
2 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 KAMA 290244
FFWAMA
TXC295-290545-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
943 PM CDT  JUL 28 1990
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1245 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...LIPSCOMB
 
AT 940 PM CDT AMARILLO RADAR INDICATED THUNDERSTORMS...SOME WITH VERY
HEAVY RAINFALL...OVER LIPSCOMB COUNTY IN THE TEXAS PANHANDLE. THESE
STORMS HAVE CONTINUED TO DUMP HEAVY RAIN OVER PORTIONS OF LIPSCOMB
FOR THE PAST 2 TO 3 HOURS. VERY LITTLE MOVEMENT HAS BEEN NOTED WITH
THESE STORMS. RADAR DATA ESTIMATES OF UP TO 3 INCHES HAVE ALREADY
FALLEN IN SOME LOCATIONS OF LIPSCOMB COUNTY. THE LIPSCOMB COUNTY
SHERIFF'S OFFICE HAS REPORTED SOME FLOODING IN PROGRESS...ESPECIALLY
IN LOW LYING AREAS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLO
ODING 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, Jul 28, 7:50 PM CDT, 1 hour 53 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-290147-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
745 PM  CDT SAT JUL 28 1990

...STRONG THUNDERSTORMS IN THE NORTHEAST TEXAS PANHANDLE...

AT 732 PM CDT AMARILLO RADAR INDICATED A CLUSTER OF STRONG THUNDER-
STORMS WITH VERY HEAVY RAIN AND POSSIBLE HAIL IN NORTHERN LIPSCOMB
COUNTY OF THE TEXAS PANHANDLE..EXTENDING INTO NORTHWEST OKLAHOMA TO
NEAR ALVA. HEAVIEST RAINFALL WAS IN NORTHERN LIPSCOMB COUNTY TEXAS..
AND IN ELLIS AND WOODWARD COUNTIES IN NORTHWEST OKLAHOMA. MOVEMENT
WAS NORTH AT LESS THAN 10 MILES AN HOUR.

PERSONS IN NORTHERN LIPSCOMB COUNTY SHOULD BE ALERT FOR POSSIBLE
FLOODING OF LOW LYING AREAS..STRONG GUSTY WINDS..DANGEROUS LIGHTNING
STRIKES..AND POSSIBLE HAIL DURING THE NEXT HOUR.

ELSEWHERE..ISOLATED STRONG THUNDERSTORMS WERE DEVELOPING IN THE
NORTHCENTRAL TEXAS PANHANDLE..BETWEEN DALHART AND PERRYTON.

IN NEW MEXICO..A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAIN
EXTENDED FROM JUST SOUTHWEST OF THE CLAYTON AREA..SOUTH TO NEAR
SANTA ROSA AND FORT SUMNER. HEAVIEST RAIN WAS JUST WEST OF
TUCUMCARI..AND NEAR THE CONCHAS DAM AREA. MOVEMENT WAS SOUTHEAST
AT 15 MILES AN HOUR.

PERONS IN OR CLOSE TO THE STRONGER THUNDERSTORMS SHOULD BE ALERT
FOR POSSIBLE FLOODING OF LOW LYING AREAS..DANGEROUS LIGHTNING STRIKES      [
..STRONG GUSTY WINDS..AND POSSIBLE HAIL.

STAY TUNED TO NOAA dWEATHER RADIO OF LATER STATEMENTS AND POSSIBLE
WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 8:21 PM CDTTornado WarningAMAOchiltree69 min
Jul 29, 5:32 PM CDTSevere Thunderstorm WarningAMACastro58 min
Jul 29, 6:44 PM CDTSevere Thunderstorm WarningAMAChildress61 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.