Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 93, NWS North Platte, NE

July 9, 1992Thomas County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 1992, 4:59 PM CDT for Thomas County, Nebraska. It was in force for 31 min.

The area

The counties it named.

The facts

Issued: Jul 9, 1992, 4:59 PM CDT (21:59 UTC)
Expired: Jul 9, 1992, 5:30 PM CDT
In force: 31 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Thomas County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.0 hours before the alert went out and 87 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 092200
SVRLBF
NEC171-092230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
459 PM CDT THU JUL 9 1992
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NEBRASKA
 
   ...THOMAS COUNTY
 
AT 455 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF
THEDFORD NEBRASKA OR 50 MILES NORTH OF NORTH PLATTE MOVING SOUTHEAST
AT 45 MPH. ONE INCH HAIL WITH 50 MPH WINDS WERE REPORTED AT MULLEN
FROM THIS STORM.
 
 
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.
 
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 SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PMREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
HETZKE

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, 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
Jul 9, 6:15 PM CDT	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.