Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 4, NWS San Angelo, TX

May 2, 1990Kimble County, Texas

NWS San Angelo, TX issued this flash flood warning at May 2, 1990, 7:25 PM CDT for Kimble County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 2, 1990, 7:25 PM CDT (00:25 UTC)
Expired
May 2, 1990, 9:30 PM CDT
In force
2 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 00:00Z, 0.4 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 00:00Z on 1990-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1990-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSJT 030026
FFWSJT
TXC267-030230-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
725 PM CDT WED MAY 2 1990
 
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES
 
IN SOUTH CENTRAL TEXAS
 
   ...KIMBLE COUNTY
 
THE FLASH FLOOD WARNING FOR KIMBLE COUNTY CONTINUES IN EFFECT THIS
EVENING. SEVERAL ROADS IN EASTERN AND SOUTHERN KIMBLE COUNTY REMAIN
UNDER WATER AND CLOSED AS OF 705 PM CDT. THE TORRENTIAL RAINS OF THIS
MORNING HAVE BEEN SLOW TO RUN OFF AND MAY TAKE SEVERAL MORE HOURS
BEFORE ROADS BECOME PASSABLE AGAIN. THE CLOSED ROADS ARE US 377 SOUTH
OF JUNCTION...AND FARM TO MARKET ROADS 385...479 AND 2169.
 
NO PRECIPITATION WAS DETECTED IN KIMBLE COUNTY EARLY THIS EVENING...
HOWEVER...THE PROBABILITY OF MORE RAIN TONIGHT IS HIGH. ADDITIONAL
RAINS ON THE ALREADY SOAKED GROUND WILL RESULT IN ALMOST TOTAL RUNOFF
AND MORE FLOODING COULD OCCUR. SHOWERS AND THUNDERSTORMS ARE
DEVELOPING ACROSS THE PERMIAN BASIN AND WESTERN CONCHO VALLEY EARLY
THIS EVENING AND COULD MOVE ACROSS THE HILL COUNTRY LATER 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.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS 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.  TO ESCAPE RISING XWATER MOVE UP TO HIGHER GROUND.
 
STAY TUNED FOR THE LATEST WEATHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 8:53 PM CDTSevere Thunderstorm WarningSJTIrion, Tom Green67 min
May 2, 9:31 PM CDTSevere Thunderstorm WarningSJTIrion, Tom Green59 min
May 2, 10:57 PM CDTFlash Flood WarningSJTKimble5 hr
May 3, 4:03 AM CDTFlash Flood WarningSJTKimble4 hr
May 3, 7:57 AM CDTFlash Flood WarningSJTKimble6 hr
May 3, 4:27 PM CDTFlash Flood WarningSJTKimble12 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.