Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 90, NWS North Platte, NE

July 9, 1992Grant County, Hooker County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 1992, 3:08 PM MDT for Grant County, Hooker County, Nebraska. It was in force for 22 min.

The area

The counties it named.

The facts

Issued: Jul 9, 1992, 3:08 PM MDT (21:08 UTC)
Expired: Jul 9, 1992, 3:30 PM MDT
In force: 22 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Grant County, NE, Hooker County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.1 hours before the alert went out and 112 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 092110
SVRLBF
NEC075-091-092130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
408 PM CDT (308 PM MDT) THU JUL 9 1992
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT (330 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL NEBRASKA
 
   ...NORTHEASTERN GRANT COUNTY...WESTERN HOOKER COUNTY
 
AT 407 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH OF
WHITMAN...OR 70 MILES NORTHWEST OF NORTH PLATTE. THE STORM WAS MOVING
SOUTHEAST AT 35 MILES AN HOUR. RESIDENTS OF WHITMAN SHOULD TAKE COVER!
LARGE HAIL IS LIKELY WITH THIS STORM.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO1
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
WALAWENDER 2110Z

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 2:44 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	31 min
Jul 9, 3:15 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	30 min
Jul 9, 3:29 PM MDT	Severe Thunderstorm Warning	LBF	Hooker	61 min
Jul 9, 3:59 PM MDT	Severe Thunderstorm Warning	LBF	Thomas	31 min
Jul 9, 4:25 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Logan	35 min
Jul 9, 4:25 PM MDT	Severe Thunderstorm Warning	LBF	Antelope, Knox	80 min
Jul 9, 4:51 PM MDT	Tornado Warning	LBF	Antelope	24 min
Jul 9, 5:15 PM MDT	Severe Thunderstorm Warning	LBF	Custer	45 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.