Alert archive / Michigan / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 19, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Sep 10, 1986, 8:16 PM EDT for Muskegon County, Newaygo County, Michigan. It was in force for 59 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
- Sep 10, 1986, 8:16 PM EDT (00:16 UTC)
- Expired
- Sep 10, 1986, 9:15 PM EDT
- In force
- 59 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 |
|---|---|---|---|
| Sep 10, 8:30 PM EDT | Thunderstorm Wind 0 | Muskegon, 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, 0.3 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
- 7 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 664 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 65 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 110016 SVRMKG MIC121-123-110115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MUSKEGON MI 816 PM EDT WED SEP 10 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL LOWER MICHIGAN...MUSKEGON AND NEWAYGO ...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE COUNTIES JUST MENTIONED AT 808PM EDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM 20 MILES WEST OF WHITEHALL MICHIGAN...ABOUT 30 MILES NORTHWEST OF MUSKEGON TO JUST SOUTH OF SHELBY MICHIGAN...ABOUT 35 MILES NORTH OF MUSKEGON MICHIGAN. RADAR INDICATED ANOTHER SEVERE THUNDERSTORM IN CENTRAL NEWAYGO COUNT...ABOUTH 40 MILEC NORTHEAST OF MUSKEGON MICHIGAN. THESE STORMS WERE MOVING EAST AT 40 MILES AN HOUR. IF YOU ARE IN THE PATH OF THIS STORM..GET TO A REINFORCED BUILDING. SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN..AND FREQUENT LIGHTNING. THEY OCCASIONALLY DO SPAWN A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT. BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY! A FLOOD WWATCH REMAINS IN EFFECT FOR MOST OF LOWER MICHIGAN. GALLOWAY
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 9:10 PM EDT | Flash Flood Warning | APX | Muskegon, Newaygo | 110 min |
| Sep 10, 11:02 PM EDT | Flash Flood Warning | APX | Muskegon, Newaygo, Oceana | 118 min |
| Sep 11, 3:35 AM EDT | Flash Flood Warning | APX | Lake, Mecosta, Osceola | 4 hr |
| Sep 11, 3:35 AM EDT | Flash Flood Warning | APX | Mason | 4 hr |
| Sep 11, 6:15 AM EDT | Flash Flood Warning | APX | Muskegon | 105 min |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Muskegon, Newaygo, Oceana | 4 hr |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Lake, Mecosta, Osceola | 4 hr |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Mason | 4 hr |
| Sep 11, 11:40 AM EDT | Flash Flood Warning | APX | Oceana | 3 hr |
| Sep 11, 7:49 PM EDT | Flash Flood Warning | APX | Oceana | 2 hr |
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.