Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS Omaha, NE

April 14, 1994Washington County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Apr 14, 1994, 8:13 PM CDT for Washington County, Nebraska. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Apr 14, 1994, 8:13 PM CDT (01:13 UTC)
Expired
Apr 14, 1994, 9:00 PM CDT
In force
47 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Washington County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.2 hours before the alert went out and 27 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 00:00Z on 1994-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 715 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, Omaha, NE at 00:00Z on 1994-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
715 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1765 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

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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 14, 8:02 PM CDTSevere Thunderstorm WarningOAXDouglas, Sarpy, Saunders58 min
Apr 14, 8:32 PM CDTSevere Thunderstorm WarningOAXCass, Otoe58 min
Apr 14, 8:16 PM CDTSevere Thunderstorm WarningOAXMills, Montgomery, Pottawattamie59 min
Apr 14, 8:41 PM CDTSevere Thunderstorm WarningOAXHarrison64 min
Apr 14, 8:41 PM CDTSevere Thunderstorm WarningOAXPottawattamie34 min
Apr 14, 9:12 PM CDTSevere Thunderstorm WarningOAXMontgomery33 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 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.