Alert archive / Michigan / Tornado Warnings in 1986

Tornado Warning 4, NWS Gaylord, MI

September 10, 1986Oceana County, Michigan

NWS Gaylord, MI issued this tornado warning at Sep 10, 1986, 7:58 PM EDT for Oceana County, Michigan. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Sep 10, 1986, 7:58 PM EDT (23:58 UTC)
Expired
Sep 10, 1986, 8:30 PM EDT
In force
32 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Oceana County, MI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 12.0 hours before the alert went out and 168 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 12:00Z on 1986-09-10Temperature 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 12:00Z on 1986-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.19395878Sfc1 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
541 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
320 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 102358
TORMKG
MIC127-110030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE MUSKEGON MI
758 PM EDT WED SEP 10 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 830 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

WEST CENTRAL LOWER MICHIGAN...OCEANA

AT 755PM EDT RADAR INDICATED AND THE SHERIFF OF OCEANA COUNTY
REPORTED A POSSIBLE TORNADO NEAR LAKE TAHOE..JUST SOUTH OF SHELBY
MICHIGAN...ABOUT 35 MILES NORTH OF MUSKEGON.

THE POSSIBLE TORNADO WAS MOVING EAST AT 35 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS TORNADO..GO TO A BASEMENT SHELTER IF
AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE LOWEBST
FLOOR. DO NOT STAY IN A CAR OR MOBILE HOME..FIND A REINFORCED
SHELTER OR LIE FLAT IN A DITCH OR RAVINE.

GALLOWAY

The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 10, 7:41 PM EDTSevere Thunderstorm WarningAPXOceana49 min

Nearby

Tornado Warnings in Michigan, 1986Every tornado warning in 1986Tornadoes 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; the sounding from the Mesonet's radiosonde archive.