Alert archive / Arkansas / Flash Flood Warnings in 2002

Flash Flood Warning 7, NWS Shreveport, LA

March 30, 2002Howard County, Little River County, Sevier County, Arkansas

NWS Shreveport, LA issued this flash flood warning at Mar 30, 2002, 6:54 AM CST for Howard County, Little River County, Sevier County, Arkansas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 30, 2002, 6:54 AM CST (12:54 UTC)
Expired
Mar 30, 2002, 12:45 PM CST
In force
6 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Howard County, AR, Little River County, AR, Sevier County, AR

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 0.9 hours before the alert went out and 165 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, Shreveport, LA at 12:00Z on 2002-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1471 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, Shreveport, LA at 12:00Z on 2002-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897Sfc1 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
1471 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.8
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KSHV 301254 CCA
FFWSHV
ARC061-081-133-301845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
650 AM CST SAT MAR 30 2002

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HOWARD COUNTY IN SOUTHWEST ARKANSAS
  LITTLE RIVER COUNTY IN SOUTHWEST ARKANSAS
  SEVIER COUNTY IN SOUTHWEST ARKANSAS

* UNTIL 1245 PM CST

* AT 650 AM CST...THE SHREVEPORT WEATHER SERVICE DOPPLER RADAR   
INDICATED AN AREA OF VERY HEAVY RAINFALL...EXTENDING FROM NEAR 
HORATIO AND ASHDOWN...ONTO NEAR DEQUEEN AND NASHVILLE ARKANSAS. 
DOPPLER RADAR ESTIMATED THREE TO FOUR INCHES OF RAIN ACROSS 
PORTIONS OF THE WARNED AREA SINCE 2 AM THIS MORNING. AN 
ADDITIONAL TWO TO THREE INCHES WILL LIKELY FALL THROUGH 
THE NOON HOUR. THIS AREA OF RAIN CONTINUED TO MOVE TO THE 
NORTHEAST NEAR 30 MPH.

FLASH FLOODING WILL LIKELY OCCUR ACROSS LOW LYING AND POOR 
DRAINAGE AREAS THROUGHOUT THE WARNED AREA THIS MORNING. DO NOT DRIVE 
YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES 
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD
WARNING FOR...
  HOWARD COUNTY IN SOUTHWEST ARKANSAS
  LITTLE RIVER COUNTY IN SOUTHWEST ARKANSAS
  SEVIER COUNTY IN SOUTHWEST ARKANSAS
UNTIL 1245 PM CST.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 6:53 AM CSTFlash Flood WarningSHVHoward, Little River, Sevier6 hr

Nearby

Flash Flood Warnings in Arkansas, 2002Every flash flood warning in 2002

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.