Alert archive / Michigan / Tornado Warnings in 1986
Tornado Warning 2, NWS Gaylord, MI
NWS Gaylord, MI issued this tornado warning at Jul 17, 1986, 9:50 PM EDT for Luce County, Michigan. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1986, 9:50 PM EDT (01:50 UTC)
- Expired
- Jul 17, 1986, 10:15 PM EDT
- In force
- 25 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Luce 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
Sault Ste Marie, MI (KSSM), launched 00:00Z, 1.8 hours before the alert went out and 93 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
- 2764 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 701 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 3.1
- Supercell composite
- 15.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 1:00 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Luce, Mackinac | 60 min |
| Jul 18, 4:08 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 57 min |
| Jul 18, 4:43 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 32 min |
| Jul 18, 6:11 PM EDT | Tornado Warning | APX | Oscoda | 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.