Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 27, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 6, 1986, 3:36 PM MDT for Keith County, Nebraska. It was in force for 69 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
- Jun 6, 1986, 3:36 PM MDT (21:36 UTC)
- Expired
- Jun 6, 1986, 4:45 PM MDT
- In force
- 69 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Keith County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 3:40 PM MDT | Hail 1.25 | Keith, 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, 9.6 hours before the alert went out and 89 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
- 156 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 062136 SVRLBF NEC101-062245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 336 PM MDT FRI JUN 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF WEST CENTRAL NEBRASKA...KEITH AT 330 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF OGALLALA MOVING EAST AT 20 MILES AN HOUR. VERY HEAVY RAIN AND PEA TO MARBLE SIZE HAIL HAS BEEN REPORTED EARLIER FROM THIS CELL. IF THREATENING WEATHER APPROACHES...GET TO A REINFORCED SHELTER AND PREPARE FOR STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN..AND DANGEROUS LIGHTNING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH.. LARGE HAIL GREATER THAN 3/4 INCH IN DIAMETER..DEADLY LIGHTNING AND VERY HEAVY RAIN THAT CAN FLOOD A LOW LYING AREA QUICKLY. MONSON 2135Z
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 2:44 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith | 46 min |
| Jun 6, 4:37 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 68 min |
| Jun 6, 5:47 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 53 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1986Every severe thunderstorm warning in 1986
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.