Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 9, NWS San Angelo, TX

May 4, 1990Kimble County, Texas

NWS San Angelo, TX issued this flash flood warning at May 4, 1990, 4:04 AM CDT for Kimble County, Texas. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
May 4, 1990, 4:04 AM CDT (09:04 UTC)
Expired
May 4, 1990, 4:30 PM CDT
In force
12 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, 9.1 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 1990-05-04Temperature 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 1990-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
2635 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-42 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 040904 RRA
FFWSJT
TXC267-042100-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
404 AM CDT FRI MAY 4 1990
 
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  400 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES
 
IN SOUTH CENTRAL TEXAS
 
   ...SOUTHERN KIMBLE COUNTY
 
THE FLASH FLOOD WARNING FOR SOUTHERN KIMBLE COUNTY WILL REMAIN IN
EFFECT THROUGH TODAY UNTIL 430 PM CDT FRIDAY.
 
ALTHOUGH RAIN HAS NOT OCCURRED IN THE LAST 24 HOURS OVER THE
WARNED AREA...RUNOFF CONTINUES TO KEEP MANY ROADS IN SOUTHERN KIMBLE
COUNTY CLOSED THIS MORNING. THE ROADS AND HIGHWAYS STILL CLOSED TO
TRAFFIC ARE US 377 SOUTH FROM JUNCTION TO ROCKSPRINGS...FM 385 IN THE
EASTERN PART OF THE COUNTY...FM 2169  AND PARK ROAD 73. THESE ROADS
ARE NOT ANTICIPATED TO REOPEN TO TRAFFIC BEFORE SATURDAY.
 
PERSONS TRAVELLING IN KIMBLE COUNTY AND PLANNING TO USE ANY OF THESE
ROADS SHOULD SEEK ALTERNATE ROUTES. THESE ROADS ARE NOT PASSABLE AT
THIS TIME TO ANY TYPE OF VEHICLE. IT IS DANGEROUS TO IGNORE BARRICADES
ON ROADS CLOSED BY HIGH WATER...SO HEED ALL SIGNS AND WARNINGS.
 
YOUR NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THIS AREA...
SO STAY TUNED FOR THE LATEST INFORMATION.
 
 
 
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 WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 4:18 PM CDTFlash Flood WarningSJTKimble6 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.