Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 56, NWS Cheyenne, WY

June 22, 1993Morrill County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 22, 1993, 3:23 PM MDT for Morrill County, Nebraska. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1993, 3:23 PM MDT (21:23 UTC)
Expired
Jun 22, 1993, 4:00 PM MDT
In force
37 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Morrill County, NE

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 9.4 hours before the alert went out and 206 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, Denver, CO at 12:00Z on 1993-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Denver, CO at 12:00Z on 1993-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2443 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
81 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
Jun 22, 2:36 PM MDTTornado WarningCYSMorrill39 min
Jun 22, 4:00 PM MDTTornado WarningCYSCheyenne, Morrill30 min
Jun 22, 4:02 PM MDTSevere Thunderstorm WarningCYSSheridan58 min
Jun 22, 4:33 PM MDTSevere Thunderstorm WarningCYSGarden27 min
Jun 22, 5:06 PM MDTSevere Thunderstorm WarningCYSDeuel, Garden39 min
Jun 22, 5:19 PM MDTTornado WarningCYSDeuel26 min
Jun 22, 5:28 PM MDTSevere Thunderstorm WarningCYSGarden32 min
Jun 22, 5:46 PM MDTTornado WarningCYSDeuel29 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1993Every severe thunderstorm warning in 1993

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.