Alert archive / Michigan / Tornado Warnings in 1986
Tornado Warning 14, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Sep 10, 1986, 6:11 PM EDT for Calhoun County, Eaton County, Michigan. It was in force for 19 min.
The area
The counties it named.
The facts
- Issued
- Sep 10, 1986, 6:11 PM EDT (22:11 UTC)
- Expired
- Sep 10, 1986, 6:30 PM EDT
- In force
- 19 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
Counties Calhoun County, MI, Eaton 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, 10.2 hours before the alert went out and 127 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1379 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 399 m²/s²
- 0-3 km storm-relative helicity
- 381 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 KLAN 102211 TORLAN MIC045-025-102245- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LANSING MI 611 PM EDT WED SEP 10 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTH CENTRAL LOWER MICHIGAN...EATON AND CALHOUN AT 603 PM EDT A TORNADO WAS REPORTED BY A SPOTTER AT BEDFORD IN NORTHERN CALHOUN COUNTY. BUILDINGS WERE DAMAGED FROM THIS STORM. THE STORM WAS MOVING EAST AT 35 MPH. PEOPLE IN BEDFORD AND OLIVET ARE NEAR THE PATH OF THIS STORM AND SHOULD BE PREPARED TO SEEK SHELTER IF THREATENING CONDITIONS ARE SIGHTED. IF YOU ARE IN THE PATH OF THIS STORM...GO TO A BASEMENT SHELTER IF AVAILABLE OR GO TO A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. DO NOT STAY IN A CAR OR MOBILE HOME...FIND A REINFORCED SHELTER. A DITCH ...RAVINE OR OTHER LOW AREA WILL ALSO OFFER SHELTER. STAY AS LOW AS POSSIBLE AND COVER YOUR HEAD TO AVOID INJURY FROM FLYING DEBRIS. BUNTING
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, Sep 10, 12:57 PM EDT, 5 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1255 PM EDT WED SEP 10 1986 ...SHOWERS AND THUNDERSTORMS CONTINUE OVER SOUTHWEST LOWER MICHIGAN MINOR FLOODING CONTINUES TO BE A POSSIBLITY THIS AFTERNOON... AT 1245 EDT RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS OVER PORTIONS OF SOUTHWEST AND WEST CENTRAL LOWER MICHIGAN. THE AREA ALSO EXTENDS WEST OVER LAKE MICHIGAN INTO PORTIONS OF WISCONSIN. THE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST NORTHEAST AT 20 MILES PER HOUR AND WILL CONTINUE TO PRODUCE HEAVY RAIN..DANGEROUS LIGHTNING AND GUSTY WINDS AS THEY MOVE THROUGH THE AREA THIS AFTERNOON. THE THUNDERSTORMS HAVE DUMPED 1.28 INCHES OF RAIN SINCE 8 AM EDT THIS MORNING AT THE KENT COUNTY AIRPORT IN GRAND RAPIDS. THE TOTAL FOR THE AIRPORT SINCE IT STARTED YESTERDAY AFTERNOON THROUGH 1245 PM EDT TODAY IS 1.99 INCHES. MOST OTHER AREAS IN SOUTHWEST MICHIGAN, PARTICULARLY OTTAWA..KENT AND IONIA COUNTIES, HAVE RECEIVED WELL OVER ONE AND A HALF INCHES OF PRECIPITATION TODAY. A LOCAL T.V. STATION IN GRAND RAPIDS REPORTED THREE INCHES OF RAIN SINCE IT BEGAN YESTERDAY, 2.75 INCHES OF THAT HAS FELL SINCE MIDNIGHT..WITH ONE INCH FALLING IN THE LAST HOURS TIME. PERSONS IN LOW LAND AREAS SHOULD BE ON THE ALERT FOR POSSIBLE MINOR FLOODING AND PERSONS DRIVING SHOULD WATCH FOR STREET FLOODING, ESPECIALLY UNDER OVERPASSES AND SLICK ROADS THIS AFTERNOON AND TONIGHT. THE SHOWERS AND THUNDERS>TORMS WILL CONTINUE THIS AFTERNOON..TONIGHT AND MOST OF THURSDAY AS A LOW PRESSURE AREA MOVES TOWARD THE GREAT LAKES OUT OF THE NORTHERN PLAINS STATES. KERSEY
Special weather statement, Sep 10, 1:25 PM EDT, 4 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 115 PM EDT WED SEP 10 1986 ...THUNDERSTORMS...WITH HEAVY RAIN...OVER CENTRAL LOWER MICHIGAN... AT 110 PM EDT A LARGE AREA OF RAIN AND THUNDERSTORMS COVERED CENTRAL LOWER MICHIGAN NORTH OF A LINE FROM MUSKEGON TO LANSING TO THE THUMB AREA. RADAR SHOWED THE HEAVIEST RAIN OVER SOUTHERN GRATIOT AND NORTHERN CLINTON COUNTIES WHERE THUNDERSTORMS WITH HEAVY RAIN HAVE MOVED ACROSS REPEATEDLY. THIS CONTINUOUS BARRAGE OF HEAVY RAIN WILL LEAD TO FLOODING IN LOW AREAS OF GRATIOT AND NORTHERN CLINTON COUNTY THIS AFTERNOON AND TONIGHT. A WARM FRONT EXTENDED FROM WEST TO EAST ACROSS CENTRAL LOWER MICHIGAN AND AT MIDDAY EXTENDED ACROSS THE LANSING AREA. THE TEMPERATURE AT THE LANSING CAPITAL CITY AIRPORT WAS 60 DEGREES WHILE THE JACKSON AIRPORT...35 MILES SOUTH REPORTED 75 DEGREES. THE WARM FRONT WILL MOVE SLOWLY NORTHWARD THIS AFTERNOON PUSHING WARMER AIR NORTHWARD. THE NORTHWARND PUSH OF WARM AIR WILL HELP TO DEVELOP ADDITIONAL THUNDERSTORMS AND POSSIBLE HEAVY RAIN OVER SOUTH CENTRAL LOWER MICHIGAN BY LATE AFTERNOON. FORTUNE
Special weather statement, Sep 10, 5:48 PM EDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 550 PM EDT WED SEP 10 1986 ...MINOR FLOODING CONTINUES TO BE A POSSIBLITY THIS AFTERNOON IN SOUTHWEST LOWER MICHIGAN AS SHOWERS AND THUNDERSTORMS CONTINUE... AT 540 PM EDT RADAR INDICATED A FEW INTENSE THUNDERSTORMS ONE LOCATED IN CALHOUN COUNTY JUST NORTH OF BATTLE CREEK ANOTHER LOCATED JUST OFF- SHORE OF SOUTHHAVEN MICHIGAN IN VAN BUREN COUNTY AND ANOTHER IN THE ALLEGAN COUNTY AREA OF SAUGATUCK. STILL ANOTHER STRONG CELL IS JUST TO THE NORTH OF GRAND RAPIDS. THESE STORMS CAN PRODUCE HEAVY RAIN, STRONG GUSTY WINDS..DANGEROUS LIGHTNING AND SOME SMALL HAIL. SOME STREET FLOODING IS OCCURING IN MANY AREAS OF SOUTHWEST LOWER MICHGAN AND WILL CONTINUE TO DO SO AS THESE STORMS CONTINUE TONIGHT. ALSO LOW LYING AREAS AND AND SMALL STREAMS MAY FLOOD DURING THE EVENING AND NIGHTTIME HOURS. PERSONS IN LOW LAND AREAS SHOULD BE ON THE ALERT FOR POSSIBLE MINOR FLOODING AND PERSONS DRIVING SHOULD WATCH FOR STREET FLOODING, ESPECIALLY UNDER OVERPASSES AND SLICK ROADS THIS AFTERNOON AND TONIGHT. PERSONS SHOULD NOT DRIVE VEHICLES INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT AND THE CAR MAY STVALL. THE SHOWERS AND THUNDERSTORMS WILL CONTINUE TONIGHT AND MOST OF THURSDAY AS A LOW PRESSURE AREA MOVES TOWARD THE GREAT LAKES OUT OF THE NORTHERN PLAINS STATES. DBS
Special weather statement, Sep 10, 5:58 PM EDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING, MI 551 PM EDT WED SEP 10 1986 ...INTENSE THUNDERSTORM MOVING INTO NORTHERN CALHOUN AND SOUTHERN EATON COUNTIES... AT 550 PM EDT RADAR INDICATED AN INTENSE THUNDERSTORM 10 MILES NORTH OF BATTLE CREEK MOVING EAST AT 35 MPH. THIS THUNDERSTORM WILL MOVE ACROSS NORTHERN CALHOUN AND SOUTHERN EATON COUNTIES BETWEEN 551 PM AND 630 PM EDT. TORRENTIAL RAIN...FREQUENT LIGHTNING..AND STRONG WINDwS HAVE BEEN REPORTED WITH THIS STORM. PEOPLE IN BELLEVUE AND OLIVET ARE NEAR THE PATH OF THIS STRONG THUNDERSTORM. BE ALERT FOR RAPID FLOODING OF STREETS AND LOW-LYING AREAS AS THIS STORM PASSES. BUNTING
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 6:56 PM EDT | Severe Thunderstorm Warning | GRR | Eaton, Ingham | 34 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.