Alert archive / Michigan / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Gaylord, MI

May 17, 1986Newaygo County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 17, 1986, 8:16 PM EDT for Newaygo County, Michigan. It was in force for 44 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
May 17, 1986, 8:16 PM EDT (00:16 UTC)
Expired
May 17, 1986, 9:00 PM EDT
In force
44 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County 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

TimeReportWhereRemark
May 17, 8:24 PM EDTThunderstorm Wind 0Newaygo, MI
May 17, 8:42 PM EDTHail 0.75Newaygo, 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 211 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 1986-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 1986-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMKG 180019
SVRMKG
MIC123-180100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MUSKEGON MI
816 PM EDT SAT MAY 17 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE
FOLLOWING COUNTY OF

WEST CENTRAL MICHIGAN...NEWAYGO

AT 812 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES NORTHEAST
OF MUSKEGON MICHIGAN..IN SOUTHWEST NEWAYGO COUNTY MOVING TOWARD THE
NORTHEAST AT 35 MILES AN HOUR.  THIS STORM IS MOVING TOWARD THE CITY
OF WHITE CLOUD IN CENTRAL NEWAYGO COUNTY.

STRONG WINDS HAVE BEEN REPORTED WITH THE PASSAGE OF THIS STORM AND
PEOPLE IN THE CITY OF WHITE CLOUD SHOULD SEEK SAFETY NOW.

 REMEMBER..SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A
 TORNADO WITH LITLE OR NO ADVANCE WARNING. BE ON THE LOOKOUT AND BE
 PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED.

 GALLOWAY

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.