Alert archive / Michigan / Tornado Warnings in 1989
Tornado Warning 3, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Jun 9, 1989, 2:34 PM EDT for Saint Clair County, Michigan. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1989, 2:34 PM EDT (18:34 UTC)
- Expired
- Jun 9, 1989, 3:00 PM EDT
- In force
- 26 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Saint Clair 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, 6.6 hours before the alert went out and 67 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
- 190 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 985 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 74 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 KDTW 091834
TORDTW
MIC147-091900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DETROIT MI
234 PM EDT FRI JUN 9 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL
MARINE WARNING EFFECTIVE UNTIL 300 PM EDT FOR PEOPLE IN THE
FOLLOWING COUNTY
IN THE SOUTHEAST PART OF LOWER MICHIGAN
NORTHERN ST. CLAIR
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTY JUST MENTIONED
AT 230 PM EDT...THE PUBLIC REPORTED A POSSILBE TORNADO NEAR CAPAC
IN NORTHERN ST. CLAIR COUNTY...47 MILES NORTH OF DOWNTOWN DETROIT.
THIS STORM WAS MOVING NORTHEAST AT 20 MILES AN HOUR. PERSONS IN
NORTHERN ST. CLAIR COUNTY INCLUDING THE TOWN OF YALE SHOULD TAKE
COVER IMMEDIATELY.
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...FIND SH ELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
KOWALESKI/DEEDLERWhat 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 9, 12:40 PM EDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DETROIT MI 1245 PM EDT FRI JUNE 9 1989 AT 1225 PM...AN AREA OF SCATTERED THUNDERSTORMS PRODUCING HEAVY RAIN WAS INDICATED IN NORTHERN LENAWEE COUNTY 15 MILES SOUTHWEST OF ANN ARBOR AND WAS MOVING TOWARDS ANN ARBOR IN WASHTENAW COUNTY. AN AREA OF THUNDERSTORMS AND RAIN SHOWERS CONTINUED FROM NEAR FLINT TO SAGINAW BAY AND EXTENDED INTO SOUTHERN LAKE HURON. AN AREA OF NUMEROUS xLIGHT RAIN WITH WITH SOME PATCHES OF RAIN CONTINUED OVER NORTHCENTRAL OHIO FROM SOUTH OF MANSFIELD OHIO ACROSS LAKE ERIE INTO SOUTHERN ONTARIO TO 40 MILES SOUTHWEST OF LONDON ONTARIO. MOVEMENT WAS NORTH NORTHEAST AT 15 MILES AN HOUR. THIES
Special weather statement, Jun 9, 1:42 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DETROIT MI 142 PM EDT FRI JUNE 9 1989 AT 125 PM...THUNDERSTORMS PRODUCING VERY HEAVY RAIN AND POSSIBLLY SMALL HAIL WAS 20 MILES EAST OF FLINT...AND ANOTHER WAS 20 MILES NORTHWEST OF MT. CLEMENS. THESE STORMS WERE PART OF A LARGER AREA OF SCATTERED THUNDERSTORMS... SOME PRODUCING VERY HEAVY RAIN...THAT WAS OVER PARTS OF SOUTHEAST LOWER MICHIGAN...SOUTHERN ONTARIO AND NORTHWEST OHIO. THE AREA WAS 80 MILES WIDE AND EXTENDED FROM 40 MILES NORTHEAST OF FLINT ACROSS ANN ARBOR TO NEAR FINDLAY OHIO. MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR. THIES/KOWALESKI
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 3:07 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 23 min |
| Jun 9, 4:00 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 45 min |
| Jun 9, 4:24 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw, Wayne | 51 min |
| Jun 9, 5:20 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 25 min |
| Jun 9, 5:26 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 34 min |
Nearby
Tornado Warnings in Michigan, 1989Every tornado warning in 1989Tornadoes in 1989
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.