Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 124, NWS North Platte, NE

August 2, 1992Antelope County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 2, 1992, 12:46 AM CDT for Antelope County, Nebraska. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1992, 12:46 AM CDT (05:46 UTC)
Expired
Aug 2, 1992, 1:45 AM CDT
In force
59 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Antelope County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 5.8 hours before the alert went out and 170 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, Omaha, NE at 00:00Z on 1992-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1803 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, Omaha, NE at 00:00Z on 1992-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
1803 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
1.1
Supercell composite
7.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KOFK 020546
SVROFK
NEC003-020645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
1246 AM CDT SUN AUG 2 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF NEBRASKA
      ANTELOPE

AT 1245 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTH
OF ORCHARD OR ABOUT 50 MILES NORTHWEST OF NORFOLK.

THIS STORM IS MOVING SOUTHEAST AT 30 MILES AN HOUR TOWARD ORCHARD
...CLEARWATER AND NELIGH.

IF YOU ARE OUTSIDE...TAKE SHELTER IN A STRONG BUILDING.  REMAIN
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.  TAKE SHELTER
IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

 KLEFFMAN

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 1, 7:49 PM CDTSevere Thunderstorm WarningLBFLincoln26 min
Aug 2, 1:45 AM CDTSevere Thunderstorm WarningLBFAntelope30 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.