Alert archive / Michigan / Tornado Warnings in 1986
Tornado Warning 27, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Sep 26, 1986, 7:13 PM EDT for Livingston County, Oakland County, Michigan. It was in force for 47 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 26, 1986, 7:13 PM EDT (23:13 UTC)
- Expired
- Sep 26, 1986, 8:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
Counties Livingston County, MI, Oakland County, MI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 26, 7:25 PM EDT | Thunderstorm Wind 0 | Livingston, MI | |
| Sep 26, 8:10 PM EDT | Thunderstorm Wind 0 | Oakland, MI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 11.2 hours before the alert went out and 20 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
- 2111 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDTW 262313 TORDTW MIC093-125-270000- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DETROIT MI 713 PM EDT FRI SEP 26 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 800 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST LOWER MICHIGAN...LIVINGSTON AND OAKLAND AT 710 PM SEVERAL REPORTS OF FUNNEL CLOUDS WERE RECEIVED FROM THE PUBLIC NEAR BRIGHTON IN LIVINGSTON COUNTY...40 MILES NORTHWEST OF DOWNTOWN DETROIT. RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS OVER LIVINGSTON COUNTY AT 710 PM. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR. IF THREATENING WEATHER APPROACHES GO TO A BASEMENT SHELTER IF AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A REINFORCED BUILDING. STAY TUNED TO NOAA WEATHER RADIO..COMMERCIAL RADIO..OR TELEVISION FOR LATER STATEMENTS OR POSSIBLE WARNINGS. ..GREEN...
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 26, 4:16 PM EDT, 2 hours 57 minutes before
SPECIAL WEATHER AND FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 415 PM EDT FRI SEP 26 1986 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF SOUTH LOWER MICHIGAN UNTIL 900 PM EDT THIS EVENING... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE SOUTH TWO THIRDS OF LOWER MICHIGAN... SEVERE THUNDERSTORM WATCH NUMBER 519 IS NOW IN EFFECT FOR MUCH OF SOUTH LOWER MICHIGAN... MAINLY SOUTH OF A GRAND RAPIDS.. SAGINAW LINE. THIS WATCH IS IN EFFECT UNTIL 900 PM EDT THIS EVENING. AT 410 PM EDT WEATHER RADAR SHOWED SCATTERED THUNDERSTORMS ACROSS NORTH ILLINOIS... NORTH INDIANA... SOUTH LOWER MICHIGAN AND NORTH OHIO. STORMS WERE MOVING EAST AT ABOUT 35 MPH. A FLOOD WARNING IS IN EFFECT FOR THE FLINT RIVER AT FLINT MICHIGAN... WHERE THUNDERSTORMS DUMPED MORE RAIN EARLIER TODAY. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE SOUTH TWO THIRDS OF LOWER MICHIGAN THROUGH SATURDAY NIGHT. EACH BATCH OF THUNDERSTORMS WHICH CROSSES THE SOUTH TWO THIRDS OF THE LOWER PENINSULA WILL BRING THE THREAT OF HEAVY RAINFALL... AND THE ATTENDANT RISK OF FLASH FLOODING. A FLASH FLOOD WATCH MEANS RAPID FLOODING IS POSSIBLE WITHIN THE WATCH AREA. PERSONS IN THIS AREA SHOULD REMAIN ALERT AND BE READY TO TAKE QUICK ACTION IF FLOODING IS OBSERVED OR A WARNING ISSUED.
Special weather statement, Sep 26, 4:17 PM EDT, 2 hours 56 minutes before
SPECIAL WEATHER AND FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 415 PM EDT FRI SEP 26 1986 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF SOUTH LOWER MICHIGAN UNTIL 900 PM EDT THIS EVENING... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE SOUTH TWO THIRDS OF LOWER MICHIGAN... SEVERE THUNDERSTORM WATCH NUMBER 519 IS NOW IN EFFECT FOR MUCH OF SOUTH LOWER MICHIGAN... MAINLY SOUTH OF A GRAND RAPIDS.. SAGINAW LINE. THIS WATCH IS IN EFFECT UNTIL 900 PM EDT THIS EVENING. AT 410 PM EDT WEATHER RADAR SHOWED SCATTERED THUNDERSTORMS ACROSS NORTH ILLINOIS... NORTH INDIANA... SOUTH LOWER MICHIGAN AND NORTH OHIO. STORMS WERE MOVING EAST AT ABOUT 35 MPH. A FLOOD WARNING IS IN EFFECT FOR THE FLINT RIVER AT FLINT MICHIGAN... WHERE THUNDERSTORMS DUMPED MORE RAIN EARLIER TODAY. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE SOUTH TWO THIRDS OF LOWER MICHIGAN THROUGH SATURDAY NIGHT. EACH BATCH OF THUNDERSTORMS WHICH CROSSES THE SOUTH TWO THIRDS OF THE LOWER PENINSULA WILL BRING THE THREAT OF HEAVY RAINFALL... AND THE ATTENDANT RISK OF FLASH FLOODING. A FLASH FLOOD WATCH MEANS RAPID FLOODING IS POSSIBLE WITHIN THE WATCH AREA. PERSONS IN THIS AREA SHOULD REMAIN ALERT AND BE READY TO TAKE QUICK ACTION IF FLOODING IS OBSERVED OR A WARNING ISSUED. KAUFMAN
Special weather statement, Sep 26, 6:17 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLINT MI
600 PM EDT FRI SEP 26 1986
... THUNDERSTORMS CAUSING URBAN FLOODING...
AT 6 PM EDT RADAR INDICATED A HEAVY THUNDERSTORM MOVING INTO THE
SOUTHWEST PORTION OF SHIAWASSEE COUNTY. HEAVY RAIN DANGEROUS LIGHTENING
AND GUSTY WINDS ARE LIKELY WITH THIS STORM.
FLOODING OF SMALL STREAMS ..LOW LYING AREAS.. AND STREETS AND UNDERPASSES
ARE LIKELY AS THIS STORM PASSES OVER THE AREA. THIS STORM IS MOVING EAST
AT 35 MPH AND WILL ENTER GENESEE COUNTY WITHIN THE HOUR. THIS STORM WILL
MOVE OVER THE SAME AREA THAT HAD THE HEAVY RAIN FALL EARLIER TODAY.
PERSONS IN FLOOD PRONE AREAS SHOULD PREPARE TO TAKE APPROPRIATE ACTION
AND MONITOR THE RAINFALL CLOSELY.
A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT SUNDAY MORNING.
AND A SEVER THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EDT THIS EVENING.
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL TELEVISION OR COMMERCIAL
RADIO FOR LATER UPDATES AND POSSIBLE WARNINGS.
BURNSThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 11:02 PM EDT | Severe Thunderstorm Warning | DTX | Clare | 43 min |
| Sep 26, 9:07 AM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 23 min |
| Sep 26, 9:30 AM EDT | Severe Thunderstorm Warning | DTX | Monroe | 45 min |
| Sep 26, 4:38 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 37 min |
| Sep 26, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 45 min |
| Sep 26, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 45 min |
| Sep 26, 7:23 PM EDT | Tornado Warning | DTX | Monroe, Wayne | 52 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.