Alert archive / Arkansas / Flash Flood Warnings in 1990

Flash Flood Warning 99, NWS Shreveport, LA

October 8, 1990Little River County, Sevier County, Arkansas; McCurtain County, Oklahoma; Bowie County, Texas

NWS Shreveport, LA issued this flash flood warning at Oct 8, 1990, 4:20 AM CDT for Little River County, Sevier County, Arkansas; McCurtain County, Oklahoma; Bowie County, Texas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Oct 8, 1990, 4:20 AM CDT (09:20 UTC)
Expired
Oct 8, 1990, 9:15 AM CDT
In force
5 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Little River County, AR, Sevier County, AR, McCurtain County, OK, Bowie 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

Longview/Gregg, TX (KGGG), launched 00:00Z, 9.3 hours before the alert went out and 164 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, Longview/Gregg, TX at 00:00Z on 1990-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1403 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, Longview/Gregg, TX at 00:00Z on 1990-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1403 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1397 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 080920
FFWSHV
ARC057-061-081-109-133-OKC089-TXC037-081415-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
420 AM CDT MON OCT 8 1990
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN SOUTHWEST ARKANSAS
 
   ...HEMPSTEAD...HOWARD...LITTLE RIVER...PIKE..AND
   SEVIER COUNTIES...
 
 
IN SOUTHEAST OKLAHOMA
 
   ...MCCURTAIN COUNTY
 
 
IN NORTHEAST TEXAS
 
   ...BOWIE COUNTY
 
AT 405 AM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED AN
AREA OF SHOWERS AND THUNDERSTORMS..PRODUCING VERY HEAVY RAINFALL..
OVER NORTHEAST TEXAS..SOUTHEAST OKLAHOMA..AND SOUTHWEST ARKANSAS.
THE AREA WAS ABOUT 75 MILES WIDE AND EXTENDED GENERALLY NORTH OF
A LINE FROM NEAR TALCO TO NEW BOSTON TEXAS INTO SOUTHWEST ARKANSAS
TO NEAR FULTON..HOPE..AND SPARKMAN.  THE HEAVIER RAINFALL WAS
OCCURRING FROM NEAR MURFREESBORO SOTHWEST TO LOCKSBURG AND HORATIO
ARKANSAS..AND FROM NEAR TOM OKLAHOMA SOUTHWEST TO NEAR DEKALB TEXAS.
THE HEAVY RAINS HAVE BEEN FALLING ON AN AREA THAT HAD RECEIVED
FROM NEAR TWO TO OVER SIX INCHES SUNDAY AFTERNOON AND EVENING..
WITH ADDITIONAL AMOUNTS ESTIMATED FROM NEAR TWO TO THREE INCHES
RESULTING IN FLOODING OF STREETS..LOW LYING..AND POOR DRAINAGE
AREAS. ALSO SMALL STREAMS AND RIVERS HAVE SHOWN SHARP RISES AND
SOME HAVE OVERFLOWED THEIR BANKS.
 
THE SHOWERS AND THUNDERSTORMS HAVE BEEN MOVING TO THE NORTHEAST
AT 20 MPH WITH SHOWERS AND THUNDERSTORMS DEVELOPING AND SPREADING
OVER THE SAME GENEARL AREA THROUGH THE NIGHT. THIS ADDITIONAL
WATER IS EXCESS RUNOFF AND FLOODING WILL OCCUR.
 
...FLASH FLOOD WATCH IN EFFECT FOR SOUTHEAST OKLAHOMA AND SOUTHWEST
ARKANSAS THE REMAINDER OF TONIGHT AND TODAY...
 
 
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.

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, Oct 7, 11:01 PM CDT, 5 hours 19 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-080600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1055 PM CDT SUN OCT 7 1990

...FLASH FLOOD WATCH IN EFFECT FOR TONIGHT AND MONDAY FOR SOUTHWEST
ARKANSAS AND SOUTHEAST OKLAHOMA...

AT 1050 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SCATTERED SHOWERS
AND THUNDERSTORMS OVER SOUTHWEST ARKANSAS...NORTHEAST LOUISIANA...NORTHEAST
TEXAS...AND SOUTHEAST OKLAHOMA. HEAVY RAINFALL WAS OCCURRING NEAR BASTROP
AND LAKE PROVIDENCE LOUISIANA. IN SOUTHEAST OKLAHOMA HEAVY RAIN WAS OCCURR-
ING NEAR WRIGHT CITY OKLAHOMA. IN NORTHEAST TEXAS HEAVY RAIN WAS INDICATED
NEAR PARIS AND SULPHUR SPRINGS. MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT
15 MPH.

THE STRONGER STORMS WILL PRODUCE HEAVY RAINFALL...STRONG GUSTY WINDS AND
DANGEROUS LIGHTNING. MOTORISTS ARE URGED TO USE CAUTION SINCE LOW AREA
FLOODING MAY OCCUR OVER SOUTHEAST OKLAHOMA...NORTHEAST TEXAS...AND SOUTH-
WEST ARKANSAS DUE TO HEAVY RAINFALL EARLIER THIS EVENING.

...A FLOOD WARNING IN EFFECT FOR THE TRIBUTARIES OF THE LITTLE RIVER
IN SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS DUE TO AS MUCH AS SIX
INCHES OF RAINFALL OVER THE BASIN...

PERSONS IN SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS SHOULD BE ALERT
TO ADDITIONAL HEAVY RAINS TONIGHT AND MONDAY..THE SOILS HAVE BEEN
SATURATED WITH SMALL STREAMS AND RIVERS AT HIGH LEVELS DUE TO EXCESS
WATER RUNOFF.  ADDITIONAL HEAVY RA[INS TONIGHT AND MONDAY WILL
CONTRIBUTE TO RAPID RUNOFF AND RAPID FLOODING.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 8, 1:09 AM CDTFlash Flood WarningSHVHoward, Pike3 hr
Oct 8, 1:09 AM CDTFlash Flood WarningSHVLittle River, Sevier3 hr
Oct 8, 4:20 AM CDTFlash Flood WarningSHVHempstead, Howard, Pike5 hr
Oct 8, 9:15 AM CDTFlash Flood WarningSHVHempstead, Howard, Pike3 hr
Oct 8, 9:15 AM CDTFlash Flood WarningSHVLittle River, Sevier3 hr
Oct 7, 11:57 PM CDTFlash Flood WarningSHVMcCurtain4 hr
Oct 8, 5:30 PM CDTSevere Thunderstorm WarningSHVRusk75 min

Nearby

Flash Flood Warnings in Arkansas, 1990Flash Flood Warnings in Oklahoma, 1990Flash 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.