Alert archive / Arkansas / Flash Flood Warnings in 1997

Flash Flood Warning 63, NWS Little Rock, AR

May 8, 1997Polk County, Arkansas

NWS Little Rock, AR issued this flash flood warning at May 8, 1997, 8:20 PM CDT for Polk County, Arkansas. It was in force for 2 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
May 8, 1997, 8:20 PM CDT (01:20 UTC)
Expired
May 8, 1997, 10:25 PM CDT
In force
2 hr
Issued by
NWS Little Rock, AR
Area
Whole counties

County Polk County, AR

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 1.3 hours before the alert went out and 227 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 00:00Z on 1997-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 809 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 00:00Z on 1997-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
809 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1314 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, May 8, 8:00 PM CDT, 20 minutes before
ARZ040-090300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
800 PM CDT THU MAY 8 1997

A THUNDERSHOWER OVER HARTFORD WILL MOVE INTO THE MENA AREA BY 815 OR SO.
THIS THUNDERSHOWER WILL CONTAIN SMALL HAIL AND LOCALLY GUSTY WINDS.

16
Special weather statement, May 8, 8:02 PM CDT, 18 minutes before
ARZ040-090300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
800 PM CDT THU MAY 8 1997

A THUNDERSHOWER OVER HARTFORD WILL MOVE INTO THE MENA AREA BY 815 OR SO.
THIS THUNDERSHOWER WILrL CONTAIN SMALL HAIL AND LOCALLY GUSTY WINDS.

16

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 8:08 PM CDTSevere Thunderstorm WarningLZKPolk47 min
May 8, 8:31 PM CDTTornado WarningLZKPolk49 min
May 8, 9:34 PM CDTSevere Thunderstorm WarningLZKMontgomery, Polk61 min

Nearby

Flash Flood Warnings in Arkansas, 1997Every flash flood warning in 1997

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.