Alert archive / Nebraska / Tornado Warnings in 1992
Tornado Warning 7, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at May 15, 1992, 8:46 PM CDT for Knox County, Nebraska. It was in force for 29 min. 3 reports 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, 8:46 PM CDT (01:46 UTC)
- Expired
- May 15, 1992, 9:15 PM CDT
- In force
- 29 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Knox County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 15, 8:55 PM CDT | Tornado F1 | Knox, NE | |
| May 15, 9:00 PM CDT | Tornado F1 | Knox, NE | |
| 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, 1.8 hours before the alert went out and 193 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOFK 160146
TOROFK
NEC107-160215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
846 PM CDT FRI MAY 15 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE NORTHEAST PART OF NEBRASKA
KNOX
AT 845 PM CDT TWO TORNADOES WERE REPORTED 4 MILES WEST OF
CREIGHTON. THESE TORNADOES ARE MOVING EAST AT 20 MPH.
PERSONS IN CENTER AND SURROUNDING AREAS...TAKE COVER NOW.
ACT QUICKLY. TAKE SHELTER IN THE INNERMOST PORTION OF THE BUILDING
ON THE LOWEST FLOOR. GET TO A BASEMENT IF POSSIBLE. AVOID WINDOWS.
PROTECT YOURSELF FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS OR
PILLOWS.
THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PIERCE AND NORTHERN
ANTELOPE COUNTIES HAS BEEN CANCELLED.
TDKThe 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, 9:19 PM CDT | Tornado Warning | LBF | Knox, Pierce | 41 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, 1992Every tornado warning in 1992Tornadoes 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.