Alert archive / Michigan / Tornado Warnings in 1986

Tornado Warning 10, NWS Detroit, MI

June 22, 1986Genesee County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 22, 1986, 5:52 PM EDT for Genesee County, Michigan. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1986, 5:52 PM EDT (21:52 UTC)
Expired
Jun 22, 1986, 6:30 PM EDT
In force
38 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Genesee 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

Detroit, MI (KFNT), launched 12:00Z, 9.9 hours before the alert went out and 40 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, Detroit, MI at 12:00Z on 1986-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 joules per kilogram.LCLLFCEL10008507005003002001001 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, Detroit, MI at 12:00Z on 1986-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.193958Sfc1 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
61 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
1371 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFNT 222152
TORFNT
MIC049-222230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE FLINT MI
552 PM EDT SUN JUN 22 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 630 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

EAST CENTRAL LOWER MICHIGAN...EASTERN GENESEE

AT 555 PM A REPORT WAS RECEIVED OF AN UNCONFIRMED FUNNEL CLOUD
ABOUT 3 MILES SOUTHWEST OF BISHOP AIRPORT, IN GENESEE COUNTY.
NO OTHER INFORMATION IS AVAILABLE AT THIS TIME.

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 LOWEST
FLOOR.  DO NOT STAY IN A CAR OR MOBILE HOME..FIND A REINFORCED
SHELTER OR LIE FLAT IN A DITCH OR RAVINE.

DICKS

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 22, 4:59 PM EDT, 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OFFICE FLINT MI
455 PM SUN JUN 22 1986

...THUNDERSTORMS BEGIN IN EAST CENTRAL LOWER MICHIGAN...

.CURRENTLY WEATHER RADAR INDICATES A LINE OF THUNDERSTORM ACTIVITY
WHICH HAS JUST RECENTLY DEVELOPED OVER PORTIONS OF EAST CENTRAL LOWER
MICHIGAN. THE STORMS EXTEND FROM THE TIP OF THE THUMB SOUTHWESTWARD
THROUGH THE LANSING AND JACKSON AREAS THEN TO THE INDIANA BORDER.

.OTHER THUNDERSTORMS WERE LOCATED FROM JUST SOUTHEAST OF HILLSDALE
MICHIGAN SOUTH TO WEST OF DEFIANCE OHIO. THE THUNDERSTORMS ARE
MOVING TO THE EAST AT ABOUT 30 MILES AN HOUR.

.SOME OF THESE THUNDERSTORMS MAY PRODUCE VERY HEAVY RAIN AS WELL
AS DANGEROUS LIGHTNING. REMEMBER THAT THUNDERSTORMS CAN BECOME
SEVERE AND OCCASIONALLY PRODUCE TORNADIC ACTIVITY.
.NO WATCHES OR WARNINGS ARE IN EFFECT AT THIS TIME IN MICHIGAN..
PERSONS ARE ADVISED TO STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL
RADIO AND TELEVISION FOR THE LATEiST UPDATES CONCERNING THIS
THUNDERSTORM OUTBREAK.

DICKS
Special weather statement, Jun 22, 5:16 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OFFICE FLINT MI
525 PM SUN JUN 22 1986

     ...THUNDERSTORMS IN EAST CENTRAL LOWER MICHIGAN...

.CURRENTLY WEATHER RADAR INDICATES A LINE OF THUNDERSTORM ACTIVITY
WHICH IS NOW MOVING INTO THE GENESEE COUNTY AREA. THESE STORMS
HAVE ALREADY PRODUCED HEAVY RAINS IN LANSING AS THEY MOVE EASTWARD
AT 30 MILES AN HOUR.

.DANGEROUS LIGHTNING, STRONG WINDS AND AN OCCASIONAL TORNADO CAN
BE PRODUCED BY STRONG THUNDERSTORMS AT ANY TIME..WITH LITTLE OR
NO WARNING SO PLEASE KEEP A CLOSE EYE ON THE WEATHER.

.NO WATCHES OR WARNINGS ARE IN EFFECT AT THIS TIME BUT MAY BE
ISSUED LATER AS CONDITIONS WARRANT. STAY TUNED TO NOAA WEATHER
RADIO..OR LOCAL COMM}ERCIAL TV AND RADIO STATIONS FOR THE LATEST
INFORMATION CONCERNING THE THUNDERSTORM OUTBREAK.

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.