Alert archive / Michigan / Tornado Warnings in 1986
Tornado Warning 10, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Jun 11, 1986, 8:47 PM EDT for Barry County, Michigan. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Jun 11, 1986, 8:47 PM EDT (00:47 UTC)
- Expired
- Jun 11, 1986, 9:15 PM EDT
- In force
- 28 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
County Barry 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 00:00Z, 0.8 hours before the alert went out and 154 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
- 1637 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRR 120047 TORGRR MIC015-120115- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 847 PM EDT WED JUN 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHWEST LOWER MICHIGAN...EASTERN BARRY AT 840 PM EDT..MUSKEGON RADAR INDICATED A POSSIBLE TORNADO IN THE VICINITY OF LACEY..ABOUT 50 MILES SOUTHEAST OF GRAND RAPIDS..IN EASTERN BARRY COUNTY. THE TORNADO WAS MOVING NORTH AT 40 MPH. PERSONS IN MAPLE GROVE AND WOODLAND SHOULD TAKE COVER IMMEDIATELY. IF YOU ARE IN THE PATH OF THIS TORNADO..GO TO A BASEMENT SHELTER IF AVAILABLE. OTHERWISE GO T?O A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. DO NOT STAY IN A CAR OR MOBILE HOME..FIND A STURDY SHELTER OR LIE FLAT IN A DITCH OR RAVINE. MJK
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 11, 3:17 PM EDT, 5 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING MI
305 PM EDT WED JUN 11 1986
....TORNADO WATCH FOR SOUTHERN LOWER MICHIGAN UNTIL 9 PM EDT...
...HEAVY RAIN IN SOUTH CENTRAL LOWER MICHIGAN...
THUNDERSTORMS PRODUCED HEAVY RAIN IN SOUTH CENTRAL LOWER MICHIGAN THIS
AFTERNOON. 1.09 INCHES OF RAIN FELL AT THE CAPITAL CITY AIRPORT BETWEEN
130 PM AND 3 PM EDT. THE THUNDERSTORMS WERE MOVING EAST AND WILL MOVE
OUT OF THE LANSING AREA BY 4 PM EDT. ADDITIONAL THUNDERSTORMS...SOME
POSSIBLY SEVERE...MAY REDEVELOP LATER THIS AFTERNOON AS WARM MOIST AIR
CONTINUES TO MOVE INTO THE GREAT LAKES REGION AHEAD OF A VIGOUROUS
WEATHER SYSTEM THAT WILL MOVE ACROSS LOWER MICHIGAN TONIGHT.
SOME URBAN FLOODING HAS OCCURED IN THE LANSING AREA DUE TO THE HEAVY
RAIN. MOTORISTS SHOULD USE EXTRA CAUTION AND BE PREPARED FOR AREAS
OF HIGH WATER.
FORTUNESpecial weather statement, Jun 11, 3:33 PM EDT, 5 hours 14 minutes before
SPECIAL WEATHER STATEMENT ... ADDITIONAL RAINFALL REPORT
NATIONAL WEATHER SERVICE LANSING MI
330 PM EDT WED JUN 11 1986
....TORNADO WATCH FOR SOUTHERN LOWER MICHIGAN UNTIL 9 PM EDT...
...HEAVY RAIN IN SOUTH CENTRAL LOWER MICHIGAN...
THUNDERSTORMS PRODUCED HEAVY RAIN IN SOUTH CENTRAL LOWER MICHIGAN THIS
AFTERNOON. 1.09 INCHES OF RAIN FELL AT THE CAPITAL CITY AIRPORT BETWEEN
130 PM AND 3 PM EDT. THE THUNDERSTORMS WERE MOVING EAST AND WILL MOVE
OUT OF THE LANSING AREA BY 4 PM EDT. ADDITIONAL THUNDERSTORMS...SOME
POSSIBLY SEVERE...MAY REDEVELOP LATER THIS AFTERNOON AS WARM MOIST AIR
CONTINUES TO MOVE INTO THE GREAT LAKES REGION AHEAD OF A VIGOUROUS
WEATHER SYSTEM THAT WILL MOVE ACROSS LOWER MICHIGAN TONIGHT.
2.48 INCHES OF RAIN WAS REPORTED IN SOUTH LANSING BETWEEN 1 PM AND
315 PM EDT. SOME URBAN FLOODING HAS OCCURRED IN THE LANSING AREA.
MOTORISTS SHOULD USE EXTRA CAUTION AND BE PREPARED FOR AREAS OF HIGH
WATER.
FORTUNESpecial weather statement, Jun 11, 4:51 PM EDT, 3 hours 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING MI
450 PM EDT WED JUN 11 1986
....TORNADO WATCH FOR SOUTHERN LOWER MICHIGAN UNTIL 9 PM EDT...
...STRONG THUNDERSTORM IN CENTRAL LOWER MICHIGAN...
AT 445 PM EDT A STRONG THUNDERSTORM WAS IN SOUTHERN IONIA COUNTY MOVING
TO THE NORTHEAST AT 15 TO 20 MPH. THIS MOVEMENT WILL BRING THE STORM
INTO CLINTON COUNTY BETWEEN 5 AND 6 PM EDT. VERY HEAVY RAIN...SMALL
HAIL...GUSTY WINDS AND DANG\EROUS LIGHTNING CAN BE EXPECTED WITH THIS
STORM.
THE SLOW MOVEMENT OF THIS STORM WILL ALSO CAUSE FLOODING IN LOW
AREAS.
FORTUNESpecial weather statement, Jun 11, 5:20 PM EDT, 3 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING MI
520 PM EDT WED JUN 11 1986
....TORNADO WATCH FOR SOUTHERN LOWER MICHIGAN UNTIL 9 PM EDT...
...STRONG THUNDERSTORM IN CENTRAL LOWER MICHIGAN...
AT 515 PM EDT A STRONG THUNDERSTORM WAS IN CENTRAL EATON COUNTY MOVING
EAST NORTHEAST AT 20 MPH. THIS STORM WILL MOVE INTO THE CITY OF LANSING
BETWEEN 520 AND 6 PM EDT AND WILL PRODUCE VERY HEAVY RAIN...SMALL HAIL
...GUSTY WINDS AND DANGqEROUS LIGHTNING.
THE SLOW MOVEMENT OF THIS STORM WILL ALSO CAUSE ADDITIIONAL FLOODING
IN LOW AREAS THAT WILL ADD TO THE PROBLEM CREATED BY HEAVY RAIN EARLIER
IN THE AFTERNOON.
FORTUNESpecial weather statement, Jun 11, 8:41 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 840 PM EDT WED JUN 11 1986 ....TORNADO WATCH FOR SOUTHERN LOWER MICHIGAN UNTIL 9 PM EDT... AT 830 PM EDT A STRONG THUNDERSTORM WAS IN SOUTHERN BARRY COUNTY...ABOUT 15 MILES NORTH OF BATTLE CREEK MICHIGAN. THE STORM WAS MOVING NORTHEAST AND WILL MOVE INTO WESTERN EATON COUNTY NEAR VERMONTVILLE BETWEEN 9 PM AND 930 PM EDT. HEAVY RAIN...DANGEROUS LIGHTNING AND STRONG WIND WAS REPORTED8 IN THE NASHVILLE AREA...30 MILES SOUTHWEST OF LANSING. AT 830 PM EDT. FORTUNE
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:41 PM EDT | Tornado Warning | GRR | Kent | 29 min |
| Jun 11, 9:05 PM EDT | Severe Thunderstorm Warning | GRR | Eaton | 55 min |
| Jun 11, 9:23 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ingham | 37 min |
| Jun 11, 9:44 PM EDT | Flash Flood Warning | GRR | Eaton, Ingham | 4 hr |
| Jun 11, 9:49 PM EDT | Flash Flood Warning | GRR | Ingham | 11 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.