Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 8, NWS North Platte, NE

May 15, 1992Knox County, Pierce County, Nebraska

NWS North Platte, NE issued this tornado warning at May 15, 1992, 9:19 PM CDT for Knox County, Pierce County, Nebraska. It was in force for 41 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: May 15, 1992, 9:19 PM CDT (02:19 UTC)
Expired: May 15, 1992, 10:00 PM CDT
In force: 41 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Knox County, NE, Pierce County, NE

What was reported inside it

Time	Report	Where	Remark
May 15, 9:25 PM CDT	Hail 1	Knox, 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

Omaha, NE (KOVN), launched 00:00Z, 2.3 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-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: 857 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1298 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 160219
TOROFK
NEC107-139-160300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
919 PM CDT FRI MAY 15 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF NEBRASKA
      KNOX...NORTHERN PIERCE

AT 915 PM RADAR CONTINUED TO INDICATE A TORNADO ALONG THE KNOX
AND PIERCE COUNTY LINE NORTH OF PLAINVIEW...OR ABOUT 35 MILES
NORTHWEST OF NORFOLK.  NUMEROUS REPORTS OF FUNNEL CLOUDS AND BRIEF
TOUCHDOWNS HAVE BEEN REPORTED AROUND AND EAST OF CREIGHTON.

THESE STORMS ARE MOVING EAST TO SOUTHEAST AT 20 MPH TOWARD WAUSA
AND OSMOND.

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE IN
THE PATH OF THIS TORNADO TAKE SHELTER BELOW GROUND IF POSSIBLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.  AVOID
WINDOWS.  ABANDON CARS AND MOBILE HOMES...TAKE COVEER IN A REINFORCED
BUILDING OR GET INTO A DITCH OR CULVERT.

 THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT WAS
 IN EFFECT FOR NORTHERN HOLT COUNTY.

 TDK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 7:02 PM CDT	Tornado Warning	LBF	Holt	43 min
May 15, 7:15 PM CDT	Severe Thunderstorm Warning	LBF	Antelope	45 min
May 15, 7:15 PM CDT	Severe Thunderstorm Warning	LBF	Pierce	60 min
May 15, 7:47 PM CDT	Severe Thunderstorm Warning	LBF	Holt	28 min
May 15, 8:05 PM CDT	Tornado Warning	LBF	Lincoln	40 min
May 15, 8:22 PM CDT	Severe Thunderstorm Warning	LBF	Antelope, Knox, Pierce	68 min
May 15, 8:22 PM CDT	Severe Thunderstorm Warning	LBF	Holt	68 min
May 15, 8:46 PM CDT	Tornado Warning	LBF	Knox	29 min
May 15, 10:01 PM CDT	Severe Thunderstorm Warning	LBF	Antelope, Pierce	59 min
May 15, 10:26 PM CDT	Severe Thunderstorm Warning	LBF	Madison	34 min
May 15, 10:37 PM CDT	Severe Thunderstorm Warning	LBF	Colfax, Platte, Stanton	28 min
May 15, 11:09 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	51 min
May 16, 5:06 PM CDT	Severe Thunderstorm Warning	LBF	Pierce	69 min
May 16, 5:06 PM CDT	Severe Thunderstorm Warning	LBF	Antelope	54 min
May 16, 5:54 PM CDT	Severe Thunderstorm Warning	LBF	Wayne	66 min
May 16, 6:19 PM CDT	Severe Thunderstorm Warning	LBF	Madison, Pierce	56 min
May 16, 6:41 PM CDT	Tornado Warning	LBF	Wayne	34 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.