Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 21, NWS North Platte, NE

July 18, 1992Custer County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 18, 1992, 6:16 PM CDT for Custer County, Nebraska. It was in force for 29 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 18, 1992, 6:16 PM CDT (23:16 UTC)
Expired: Jul 18, 1992, 6:45 PM CDT
In force: 29 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Custer County, NE

What was reported inside it

Time	Report	Where	Remark
Jul 18, 6:30 PM CDT	Hail 0.75	Custer, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: NaN m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 182318
TORLBF
NEC041-182345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
616 PM CDT SAT JUL 18 1992
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL NEBRASKA
 
   ...SOUTHERN CUSTER COUNTY
 
AT 613 PM CDT...RADAR INDICATED A POSSIBLE TORNADO 10 WEST OF OCONTO
OR 35 MILES EAST OF NORTH PLATTE. THE SEVERE THUNDERSTORM PRODUCING
THE POSSIBLE TORNADO WAS MOVING SOUTHEAST AT 20 MILES AN HOUR. PEOPLE
IN OCONTO SHOULD TAKE SHELTER IMMEDIATELY.
 
THIS WARNING IS AN EXTENSION OF THE PREVIOUS WARNING FOR SOUTHERN
CUSTER COUNTY.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
ABBAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 6:43 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	32 min
Jul 18, 8:13 AM CDT	Severe Thunderstorm Warning	LBF	Frontier	32 min
Jul 18, 4:12 PM CDT	Severe Thunderstorm Warning	LBF	Thomas	33 min
Jul 18, 4:52 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	38 min
Jul 18, 5:06 PM CDT	Severe Thunderstorm Warning	LBF	Custer	39 min
Jul 18, 5:36 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	69 min
Jul 18, 5:42 PM CDT	Tornado Warning	LBF	Custer	33 min
Jul 18, 5:51 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	54 min
Jul 18, 6:20 PM CDT	Severe Thunderstorm Warning	LBF	Hitchcock	40 min
Jul 18, 6:45 PM CDT	Severe Thunderstorm Warning	LBF	Rock	30 min
Jul 18, 6:45 PM CDT	Severe Thunderstorm Warning	LBF	Garfield	60 min
Jul 18, 6:45 PM CDT	Tornado Warning	LBF	Custer	30 min

Nearby

Tornado Warnings in Nebraska, 1992 Every tornado warning in 1992 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.