Alert archive / Arkansas / Flash Flood Warnings in 1988

Flash Flood Warning 1, NWS Tulsa, OK

April 1, 1988Crawford County, Sebastian County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Apr 1, 1988, 7:27 PM CST for Crawford County, Sebastian County, Arkansas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 1, 1988, 7:27 PM CST (01:27 UTC)
Expired
Apr 1, 1988, 9:30 PM CST
In force
2 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Crawford County, AR, Sebastian 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

Springfield, MO (KUMN), launched 00:00Z, 1.5 hours before the alert went out and 172 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, Springfield, MO at 00:00Z on 1988-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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, Springfield, MO at 00:00Z on 1988-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 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
113 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
817 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSM 020127
FFWFSM
ARC033-131-020330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
727 PM CST FRI APR 1 1988
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL  930 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN WEST ARKANSAS
          ...CRAWFORD...SEBASTIAN
 
RAINFALL AMOUNTS IN EXCESS OF 2.00 INCHES HAS FALLEN IN PARTS OF
CRAWFORD AND SEBASTIAN COUNTIES AND MORE HEAVY RAIN CONTINUES.
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.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A F5LOWING STREAM...EVEN A
SMALL ONE...ON FOOT.

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

Local storm report, Apr 1, 2:29 PM CST, 4 hours 58 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
229 PM CST FRI APR 01 1988

 TIME/CST COUNTY      EVENT  (CD=CIVIL DEFENSE  OHP=OK HIGHWAY PAT'L)
 2 17 PM  WAGONER     GOLF BALL SIZE HAIL JUST NORTH OF WAGO"NER, OK
                      REPORTED BY WEATHER SPOTTER.

 225 PM   MAYES       PEA SIZE HAIL IN CHOUTEAU, OK

 1 50 PM  WAGONER     PEA SIZE HAIL IN PORTER, OK

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 1, 9:21 PM CSTFlash Flood WarningTSAMadison114 min

Nearby

Flash Flood Warnings in Arkansas, 1988Every flash flood warning in 1988

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.