Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 9, NWS Omaha, NE

April 7, 1995Montgomery County, Iowa

NWS Omaha, NE issued this severe thunderstorm warning at Apr 7, 1995, 4:22 PM CDT for Montgomery County, Iowa. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Apr 7, 1995, 4:22 PM CDT (21:22 UTC)
Expired
Apr 7, 1995, 5:00 PM CDT
In force
38 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Montgomery County, IA

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.4 hours before the alert went out and 107 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, Omaha, NE at 12:00Z on 1995-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Omaha, NE at 12:00Z on 1995-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

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 Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 7, 11:46 AM CDTSevere Thunderstorm WarningOAXButler38 min
Apr 7, 1:28 PM CDTSevere Thunderstorm WarningOAXCass, Sarpy47 min
Apr 7, 2:59 PM CDTSevere Thunderstorm WarningOAXDouglas46 min
Apr 7, 2:27 PM CDTSevere Thunderstorm WarningOAXMills48 min
Apr 7, 2:52 PM CDTSevere Thunderstorm WarningOAXPottawattamie53 min
Apr 7, 3:45 PM CDTSevere Thunderstorm WarningOAXPottawattamie45 min
Apr 7, 3:55 PM CDTSevere Thunderstorm WarningOAXPottawattamie35 min
Apr 7, 4:29 PM CDTSevere Thunderstorm WarningOAXPottawattamie31 min
Apr 7, 4:48 PM CDTSevere Thunderstorm WarningOAXShelby42 min
Apr 7, 5:17 PM CDTSevere Thunderstorm WarningOAXMonona22 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1995Every severe thunderstorm warning in 1995

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.