Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 94, NWS North Platte, NE

July 9, 1992Custer County, Logan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 1992, 5:25 PM CDT for Custer County, Logan County, Nebraska. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1992, 5:25 PM CDT (22:25 UTC)
Expired
Jul 9, 1992, 6:00 PM CDT
In force
35 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Custer County, NE, Logan County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.4 hours before the alert went out and 57 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 1992-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 371 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 1992-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 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
371 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
1266 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 3:44 PM CDTSevere Thunderstorm WarningLBFCherry31 min
Jul 9, 4:08 PM CDTSevere Thunderstorm WarningLBFGrant, Hooker22 min
Jul 9, 4:15 PM CDTSevere Thunderstorm WarningLBFCherry30 min
Jul 9, 4:29 PM CDTSevere Thunderstorm WarningLBFHooker61 min
Jul 9, 4:59 PM CDTSevere Thunderstorm WarningLBFThomas31 min
Jul 9, 5:25 PM CDTSevere Thunderstorm WarningLBFAntelope, Knox80 min
Jul 9, 5:51 PM CDTTornado WarningLBFAntelope24 min
Jul 9, 6:15 PM CDTSevere Thunderstorm WarningLBFCuster45 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992Every severe thunderstorm warning in 1992

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.