Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 16, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 7, 1986, 7:18 PM CDT for Blaine County, Nebraska. It was in force for 57 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 7, 1986, 7:18 PM CDT (00:18 UTC)
- Expired
- May 7, 1986, 8:15 PM CDT
- In force
- 57 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Blaine 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 |
|---|---|---|---|
| May 7, 8:11 PM CDT | Hail 1 | Blaine, 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 00:00Z, 0.3 hours before the alert went out and 101 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
- 2917 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1808 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 21.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOFK 080018 SVROFK NEC009-017-149-080115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORFOLK NE 718 PM CDT WED MAY 7 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL NEBRASKA...BLAINE...SOUTHERN BROWN AND ROCK AT 705PM CDT SEVERE THUNDERSTORMS OVER SOUTHERN BROWN AND SOUTHERN ROCK COUNTIES INTO BLAINE COUNTY OF NORTHCENTRAL NEBRASKA OR FROM 25 MILES SOUTHEAST OF AINSWORTH TO 30 SOUTH OF AINSWORTH TO 35 NORTHWEST OF TAYLOR NEAR BREWSTER. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MPH. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DEADLY WINDS IN EXCESS OF 75 MPH...LARGE HAIL...KILLER LIGHTNING...AND TORRENTIAL RAINS THAT CAN QUICKLY FLOOD A LOW LYING AREA. THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. A TORNADO WATCH CONTINUES IN EFFECT UNTILL 11PM CDT TONIGHT FOR MOST OF NORTHCENTRAL AND NORTHEAST NEBRASKA.
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:18 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Rock | 57 min |
| May 7, 7:51 PM CDT | Severe Thunderstorm Warning | LBF | Knox | 39 min |
| May 7, 8:07 PM CDT | Severe Thunderstorm Warning | LBF | Frontier, Lincoln | 68 min |
| May 7, 8:13 PM CDT | Severe Thunderstorm Warning | LBF | Frontier, Lincoln | 47 min |
| May 7, 8:19 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Rock | 56 min |
| May 7, 8:19 PM CDT | Severe Thunderstorm Warning | LBF | Blaine | 56 min |
| May 7, 8:32 PM CDT | Severe Thunderstorm Warning | LBF | Knox | 28 min |
| May 7, 9:45 PM CDT | Severe Thunderstorm Warning | LBF | Keith, Lincoln | 50 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.