Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 22, NWS San Angelo, TX

July 17, 1990Kimble County, Texas

NWS San Angelo, TX issued this flash flood warning at Jul 17, 1990, 5:59 PM CDT for Kimble County, Texas. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 17, 1990, 5:59 PM CDT (22:59 UTC)
Expired
Jul 18, 1990, 12:00 AM CDT
In force
6 hr
Issued by
NWS San Angelo, TX
Area
Whole counties

County Kimble 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

Del Rio, TX (KDRT), launched 12:00Z, 11.0 hours before the alert went out and 163 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, Del Rio, TX at 12:00Z on 1990-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 449 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, Del Rio, TX at 12:00Z on 1990-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
449 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-20 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 KSJT 172302
FFWSJT
TXC267-180500-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
559 PM CDT TUE JUL 17 1990
 
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES
 
IN SOUTH CENTRAL TEXAS
 
   ...KIMBLE COUNTY
 
AT 555 PM CDT SAN ANGELO RADAR SHOWED SCATTERED LIGHT RAINSHOWERS
ACROSS NORTHERN KIMBLE COUNTY. THESE SHOWERS WERE MOVING NORTH AT 10
MILES AN HOUR. THE SHERIFF'S OFFICE IN JUNCTION REPORTS THAT RANCH
ROAD 385 IS STILL CLOSED. RANCH ROADS 1674...1733 AND 2291 MAY ALSO
STILL BE CLOSED. THE GROUND REMAINS SATURATED ACROSS KIMBLE COUNTY
AND WITH THE POSSIBILITY OF CONTINUING RAINS IN THE AREA THE
POTENTIAL FOR MORE RUNOFF CONTINUES.
 
ELSEWHERE...SCATTERED SHOWERS WERE OVER MENARD COUNTY WHERE FARM TO
MARKET ROAD 2092 REMAINS CLOSED. A FLOOD AND FLASH FLOOD WATCH REMAINS
IN EFFECT FOR MASON...MENARD AND KIMBLE COUNTIES THROUGH TONIGHT.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 6:07 AM CDTFlash Flood WarningSJTKimble, Menard5 hr
Jul 17, 10:59 AM CDTFlash Flood WarningSJTKimble7 hr

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.