Alert archive / Arkansas / Flash Flood Warnings in 1990

Flash Flood Warning 13, NWS Shreveport, LA

March 8, 1990Pike County, Arkansas

NWS Shreveport, LA issued this flash flood warning at Mar 8, 1990, 3:49 AM CST for Pike County, Arkansas. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Mar 8, 1990, 3:49 AM CST (09:49 UTC)
Expired
Mar 8, 1990, 9:45 AM CST
In force
6 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

County Pike County, AR

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, 9.8 hours before the alert went out and 220 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 1990-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 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 1990-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 469 square meters per square second.19395878Sfc1 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
201 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
469 m²/s²
0-3 km storm-relative helicity
562 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 080954 COR
FFWSHV
ARC061-081-091-109-133-TXC037-067-081545-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
349 AM CST THU MAR 8 1990

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  945 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS..

IN SOUTHWEST ARKANSAS

   ...HOWARD COUNTY...LITTLE RIVER COUNTY...MILLER COUNTY...PIKE
   COUNTY...SEVIER COUNTY


IN NORTHEAST TEXAS

   ...BOWIE COUNTY...CASS COUNTY
AT 340 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A LARGE AREAOF SHOWERS AND THUNDERSTORMS THAT EXTENDED NORTH OF A
LINE FROM WARREN ARKANSAS TO BENTON LOUISIANA TO MARSHALL TEXAS TO
TYLER TEXAS.

MOVEMENT WAS EASTNORTHEAST NEAR 35 MPH...WHILE THE SYSTEM SAGGED
SOUTHEAST NEAR 15 MPH.

THROUGH THE RAIN HAD TAPPERED OFF IN SOME OF THE WARNED AREA RUNOFF
WAS INCOMPLETE. NUMEROUS ROADS WERE CLOSED AND EVACUATIONS WERE
REPORTED.

BE HESPECIALLY 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 11:41 PM CSTFlash Flood WarningSHVHoward, Little River, Sevier4 hr
Mar 7, 11:41 PM CSTFlash Flood WarningSHVPike4 hr
Mar 8, 1:47 AM CSTFlash Flood WarningSHVLittle River118 min
Mar 8, 2:55 AM CSTFlash Flood WarningSHVMiller65 min
Mar 8, 2:55 AM CSTSevere Thunderstorm WarningSHVMiller65 min
Mar 8, 3:49 AM CSTFlash Flood WarningSHVHoward, Little River, Sevier6 hr
Mar 8, 3:49 AM CSTFlash Flood WarningSHVMiller6 hr
Mar 8, 9:40 AM CSTFlash Flood WarningSHVColumbia, Lafayette2 hr
Mar 8, 9:40 AM CSTFlash Flood WarningSHVMiller2 hr

Nearby

Flash Flood Warnings in Arkansas, 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.