Alert archive / Iowa / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 45, NWS Des Moines, IA

May 24, 1994Decatur County, Ringgold County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at May 24, 1994, 5:22 PM CDT for Decatur County, Ringgold County, Iowa. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
May 24, 1994, 5:22 PM CDT (22:22 UTC)
Expired
May 24, 1994, 6:00 PM CDT
In force
38 min
Issued by
NWS Des Moines, IA
Area
Whole counties

Counties Decatur County, IA, Ringgold County, IA

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.4 hours before the alert went out and 238 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, Topeka, KS at 12:00Z on 1994-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 545 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, Topeka, KS at 12:00Z on 1994-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
545 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
1285 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
19 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.

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 7:11 PM CDTSevere Thunderstorm WarningDMXTaylor23 min
May 24, 4:32 PM CDTSevere Thunderstorm WarningDMXClarke28 min
May 24, 4:40 PM CDTSevere Thunderstorm WarningDMXDecatur30 min
May 24, 5:48 PM CDTSevere Thunderstorm WarningDMXDecatur27 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1994Every severe thunderstorm warning in 1994

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.