Alert archive / Michigan / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 3, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 11, 1986, 8:21 PM EDT for Muskegon County, Newaygo County, Michigan. It was in force for 39 min. 2 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
- Jun 11, 1986, 8:21 PM EDT (00:21 UTC)
- Expired
- Jun 11, 1986, 9:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
Counties Muskegon County, MI, Newaygo County, MI
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 11, 8:22 PM EDT | Hail 1 | Muskegon, MI | |
| Jun 11, 8:22 PM EDT | Hail 1 | Newaygo, MI |
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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.4 hours before the alert went out and 207 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
- 5 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKG 120021 SVRMKG MIC121-123-120100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MUSKEGON MI 821 PM EDT WED JUN 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL MICHIGAN...EASTERN MUSKEGON AND NEWAYGO AT 818PM, A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 25 MILES EAST OF MUSKEGON MICHIGAN IN WEST CENTRAL MICHIGAN MOVING TOWARD THE NORTH AT 45 MILES AN HOUR. PEA SIZED HAIL HAS BEEN REPORTED WITH THIS THUNDERSTORM. REMEMBER..THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT.&
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 9:18 PM EDT | Tornado Warning | APX | Newaygo | 42 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 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.