Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 33, NWS Little Rock, AR

April 16, 1990Carroll County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 16, 1990, 7:54 PM CDT for Carroll County, Arkansas. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Apr 16, 1990, 7:54 PM CDT (00:54 UTC)
Expired
Apr 16, 1990, 9:00 PM CDT
In force
66 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Carroll 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, 0.9 hours before the alert went out and 66 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 1990-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 993 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 1990-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
993 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

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 16, 8:29 PM CDTSevere Thunderstorm WarningLZKRandolph, Sharp61 min
Apr 16, 9:10 PM CDTSevere Thunderstorm WarningLZKNewton65 min
Apr 16, 9:37 PM CDTSevere Thunderstorm WarningLZKRandolph53 min
Apr 16, 11:25 PM CDTSevere Thunderstorm WarningLZKIndependence50 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990Every severe thunderstorm 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.