Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 96, NWS North Platte, NE

July 9, 1992Custer County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 1992, 6:15 PM CDT for Custer County, Nebraska. It was in force for 45 min.

The area

The counties it named.

The facts

Issued: Jul 9, 1992, 6:15 PM CDT (23:15 UTC)
Expired: Jul 9, 1992, 7:00 PM CDT
In force: 45 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Custer County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.3 hours before the alert went out and 79 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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

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

000 
TTAA00 KLBF 092315
SVRLBF
NEC041-100000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
615 PM CDT THU JUL 9 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF NEBRASKA
      CENTRAL AND NORTHERN CUSTER

AT 6 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF
ANSELMO...OR 45 MILES NORTHEAST OF NORTH PLATTE.  THE STORM WAS
MOVING SOUTHEAST AT 45 MILES AN HOUR.  LARGE HAIL AND 50 TO 70 MILE
AN HOUR WINDCAN BE EXPECTED WITH THIS STORM.  ANSELMO AND BROKEN
BOW ARE IN THE PATH OF THIS STORM.

IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

REPORTS OF SEVERE WEATHER OR DAMAGE CAN BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

 W<ALAWENDER 2314Z

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 3:44 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	31 min
Jul 9, 4:08 PM CDT	Severe Thunderstorm Warning	LBF	Grant, Hooker	22 min
Jul 9, 4:15 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	30 min
Jul 9, 4:29 PM CDT	Severe Thunderstorm Warning	LBF	Hooker	61 min
Jul 9, 4:59 PM CDT	Severe Thunderstorm Warning	LBF	Thomas	31 min
Jul 9, 5:25 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Logan	35 min
Jul 9, 5:25 PM CDT	Severe Thunderstorm Warning	LBF	Antelope, Knox	80 min
Jul 9, 5:51 PM CDT	Tornado Warning	LBF	Antelope	24 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992 Every 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.