Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 59, NWS Cheyenne, WY

June 22, 1993Deuel County, Garden County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 22, 1993, 5:06 PM MDT for Deuel County, Garden County, Nebraska. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1993, 5:06 PM MDT (23:06 UTC)
Expired
Jun 22, 1993, 5:45 PM MDT
In force
39 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Deuel County, NE, Garden County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.1 hours before the alert went out and 147 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 1993-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 505 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 1993-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 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
505 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
753 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

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, 3:23 PM MDTSevere Thunderstorm WarningCYSMorrill37 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, 5:19 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.