Alert archive / Arkansas / Flash Flood Warnings in 1991

Flash Flood Warning 39, NWS Little Rock, AR

November 19, 1991Arkansas County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Nov 19, 1991, 7:26 PM CST for Arkansas County, Arkansas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Nov 19, 1991, 7:26 PM CST (01:26 UTC)
Expired
Nov 19, 1991, 11:30 PM CST
In force
4 hr
Issued by
NWS Little Rock, AR
Area
Whole counties

County Arkansas County, AR

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.4 hours before the alert went out and 250 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, Jackson, MS at 00:00Z on 1991-11-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 898 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, Jackson, MS at 00:00Z on 1991-11-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
898 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 19, 6:05 PM CSTSevere Thunderstorm WarningLZKDesha25 min
Nov 19, 6:22 PM CSTSevere Thunderstorm WarningLZKLincoln38 min
Nov 19, 6:39 PM CSTSevere Thunderstorm WarningLZKLonoke, Prairie51 min

Nearby

Flash Flood Warnings in Arkansas, 1991Every flash flood warning in 1991

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.