Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 138, NWS North Platte, NE

June 20, 1996Logan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 20, 1996, 4:58 AM CDT for Logan County, Nebraska. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 20, 1996, 4:58 AM CDT (09:58 UTC)
Expired
Jun 20, 1996, 6:00 AM CDT
In force
62 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Logan County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.0 hours before the alert went out and 50 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 00:00Z on 1996-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 595 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 00:00Z on 1996-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
595 J/kg
Mixed-layer CIN
-432 J/kg
Mixed-layer LCL
1401 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

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
Jun 20, 3:10 AM CDTSevere Thunderstorm WarningLBFMcPherson65 min
Jun 20, 3:33 AM CDTSevere Thunderstorm WarningLBFCuster, Logan62 min
Jun 20, 4:04 AM CDTSevere Thunderstorm WarningLBFLogan61 min
Jun 20, 4:13 AM CDTSevere Thunderstorm WarningLBFBlaine, Loup62 min
Jun 20, 4:46 AM CDTSevere Thunderstorm WarningLBFGarfield64 min
Jun 20, 4:52 AM CDTSevere Thunderstorm WarningLBFCuster63 min
Jun 20, 5:15 AM CDTSevere Thunderstorm WarningLBFHolt, Loup, Rock60 min
Jun 20, 5:30 AM CDTSevere Thunderstorm WarningLBFWheeler65 min
Jun 20, 5:54 AM CDTSevere Thunderstorm WarningLBFCuster, Loup66 min
Jun 20, 6:13 AM CDTSevere Thunderstorm WarningLBFHolt47 min
Jun 20, 6:38 AM CDTSevere Thunderstorm WarningLBFGarfield62 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1996Every severe thunderstorm warning in 1996

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.