Alert archive / Arkansas / Flash Flood Warnings in 1990

Flash Flood Warning 34, NWS Little Rock, AR

October 8, 1990Clark County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Oct 8, 1990, 11:10 PM CDT for Clark County, Arkansas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 8, 1990, 11:10 PM CDT (04:10 UTC)
Expired
Oct 9, 1990, 2:15 AM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Whole counties

County Clark 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, 4.2 hours before the alert went out and 231 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 1990-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1495 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 1990-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
1495 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.3
Supercell composite
0.8

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 9, 12:39 AM CDTFlash Flood WarningLZKPulaski, Saline3 hr
Oct 9, 12:56 AM CDTFlash Flood WarningLZKHot Spring4 hr
Oct 9, 1:24 AM CDTFlash Flood WarningLZKLonoke3 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.