Alert archive / Michigan / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 31, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Aug 12, 1988, 7:06 PM EDT for Alpena County, Presque Isle County, Michigan. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Aug 12, 1988, 7:06 PM EDT (23:06 UTC)
- Expired
- Aug 12, 1988, 8:15 PM EDT
- In force
- 69 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
Counties Alpena County, MI, Presque Isle 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 12:00Z, 11.1 hours before the alert went out and 147 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
- 295 J/kg
- Mixed-layer CIN
- -323 J/kg
- Mixed-layer LCL
- 1130 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Aug 12, 3:38 PM EDT, 3 hours 28 minutes before
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</html>The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 3:00 PM EDT | Tornado Warning | APX | Presque Isle | 52 min |
| Aug 12, 3:18 PM EDT | Tornado Warning | APX | Alpena | 57 min |
| Aug 12, 3:18 PM EDT | Tornado Warning | APX | Montmorency | 34 min |
| Aug 12, 4:15 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 60 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1988Every severe thunderstorm warning in 1988
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.