Flash Flood Warning 45, NWS Shreveport, LA

Issued

May 21, 1990, 12:34 AM CDT (05:34 UTC)

Expired

May 21, 1990, 4:30 AM CDT

In force

4 hr

Issued by

NWS Shreveport, LA

Area

Whole counties

County McCurtain County, OK

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

000 
TTAA00 KSHV 210535
FFWSHV
OKC089-210930-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1234 AM CDT MON MAY 21 1990
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  430 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN SOUTHEAST OKLAHOMA
 
   ...NORTHERN MCCURTAIN COUNTY
 
AT 1230 AM CDT WEATHER SERVICE RADAR IN SHREVEPORT AND LONGVIEW
SHOWED SHOWERS AND THUNDERSTORMS OVER NORTHERN MCCURTAIN COUNTY
OKLAHOMA PRODUCING VERY HEAVY RAINFALL. THE STORMS HAVE BEEN
MOVING TO THE EAST AT 18 MPH AND DUE TO THE SLOW MOVEMENT PROVIDING
EXCESSIVE WATER RUNOFF. ESTIMATES BASED ON RADAR SHOWED THAT
FROM THREE TO NEAR FOUR INCHES HAVE OCCURED OVER THE WARNED AREA.
 
...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 400 AM CDT FOR
EAST OKLAHOMA AND FOR A LARGE PART OF CENTRAL AND WESTERN
ARKANSAS...
...A FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT
AND MONDAY MORNING FOR SOUTHWEST ARKANSAS...
 
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.

In the hours before

OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-210530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1120 PM CDT SUN MAY 20 1990

...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 400 AM CDT MONDAY
MORNING FOR PARTS OF EAST OKLAHOMA AND A LARGE PART OF CENTRAL AND
SOUTHWEST ARKANSAS...
...A FLASH FLOOD WATCH IN EFFECT TONIGHT FOR SOUTHWEST ARKANSAS...
...SHOWERS AND THUNDERSTORMS HAVE DEVELOPED OVER SOUTHWEST ARKANSAS
AND SOUTHEAST OKLAHOMA...

AT 1115 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A BROKEN
BAND OF SHOWERS AND THUNDERSTORMS OVER SOUTHWEST ARKANSAS AND NORTHEAST
TEXAS THAT EXTENDED FROM NEAR BENTON..SHERIDAN..AND WARREN SOUTHWEST
TO NEAR PRESCOTT..HOPE..AND TEXARKANA TO NEAR NEW BOSTON TEXAS. THE
STRONGER THUNDERSTORMS WITHIN THIS BAND WERE NOTED NEAR TEXARKANA.

AT 1110 PM CDT RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS
OVER SOUTHEAST OKLAHOMA THAT EXTENDED FROM SOUTH OF FORT SMITH
ARKANSAS SOUTHWEST TO NEAR ANTLERS OKLAHOMA.

THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MPH.

THE STORMS AT 1115 PM WERE APPROACHING MCCURTAIN COUNTY IN
SOUTHEAST OKLAHOMA AND A WARNING MAY BE REQUIRED DURING THE NEXT
HALF HOUR. THESE STORMS WERE PRODUCING VERY HEAVY RAINFALL WHICH
WILL CAUSE FLOODING IN A SHORT PERIOD OF TIME.

Flash Flood Warnings in Oklahoma, 1990Every flash flood warning in 1990

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.