Alert archive / Arkansas / Flash Flood Warnings in 1991

Flash Flood Warning 13, NWS Little Rock, AR

April 28, 1991Union County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 28, 1991, 1:21 AM CDT for Union County, Arkansas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 28, 1991, 1:21 AM CDT (06:21 UTC)
Expired
Apr 28, 1991, 3:30 AM CDT
In force
2 hr
Issued by
NWS Little Rock, AR
Area
Whole counties

County Union County, AR

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.4 hours before the alert went out and 254 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 1991-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3219 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 1991-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
3219 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.3

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
Apr 27, 7:06 PM CDTSevere Thunderstorm WarningLZKSaline69 min
Apr 27, 9:46 PM CDTSevere Thunderstorm WarningLZKUnion59 min
Apr 27, 11:01 PM CDTSevere Thunderstorm WarningLZKUnion59 min
Apr 28, 12:27 AM CDTSevere Thunderstorm WarningLZKUnion48 min
Apr 28, 12:47 AM CDTTornado WarningLZKUnion43 min
Apr 28, 12:51 AM CDTSevere Thunderstorm WarningLZKBradley69 min
Apr 28, 1:04 AM CDTSevere Thunderstorm WarningLZKCalhoun56 min
Apr 28, 1:17 AM CDTTornado WarningLZKBradley58 min
Apr 28, 1:33 AM CDTSevere Thunderstorm WarningLZKHot Spring57 min
Apr 28, 2:02 AM CDTSevere Thunderstorm WarningLZKDesha, Lincoln58 min
Apr 28, 2:20 AM CDTFlash Flood WarningLZKDrew55 min
Apr 28, 2:20 AM CDTSevere Thunderstorm WarningLZKDrew55 min
Apr 28, 3:13 AM CDTFlash Flood WarningLZKUnion4 hr
Apr 28, 4:06 AM CDTSevere Thunderstorm WarningLZKAshley54 min
Apr 28, 3:43 PM CDTSevere Thunderstorm WarningLZKAshley62 min
Apr 28, 6:29 PM CDTFlash Flood WarningLZKCalhoun, Dallas, Ouachita4 hr
Apr 28, 6:29 PM CDTFlash Flood WarningLZKCleveland, Grant, Jefferson4 hr

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.