Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 69, NWS Cheyenne, WY

July 12, 1994Garden County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 12, 1994, 3:00 PM MDT for Garden County, Nebraska. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1994, 3:00 PM MDT (21:00 UTC)
Expired
Jul 12, 1994, 4:00 PM MDT
In force
60 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Garden County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.0 hours before the alert went out and 155 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, N. Platte/Lee Bi, NE at 12:00Z on 1994-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, N. Platte/Lee Bi, NE at 12:00Z on 1994-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
7 J/kg
Mixed-layer CIN
-333 J/kg
Mixed-layer LCL
1257 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
-2 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 Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 5:56 PM MDTSevere Thunderstorm WarningCYSGarden34 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.