Alert archive / Michigan / Tornado Warnings in 1998
Tornado Warning 9, NWS Gaylord, MI
NWS Gaylord, MI issued this tornado warning at Jun 24, 1998, 11:11 PM EDT for Crawford County, Michigan. It was in force for 49 min. 1 report 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
- Jun 24, 1998, 11:11 PM EDT (03:11 UTC)
- Expired
- Jun 25, 1998, 12:00 AM EDT
- In force
- 49 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Crawford County, MI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 11:30 PM EDT | Thunderstorm Wind 60 | Frederic, MI | Strong winds downed trees and powerlines. One tree fell on a house damaging the roof. |
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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 24, 10:30 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 00:00Z, 3.2 hours before the alert went out and 179 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
- 1646 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 985 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 340 m²/s²
- Significant tornado parameter
- 3.7
- Supercell composite
- 15.6
The text
As transmitted, in the capitals the NWS used until 2016.
497 WFUS1 KAPN 250313 RRA TORAPN MIC039-250400- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GAYLORD MI 1111 PM EDT WED JUN 24 1998 THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A * TORNADO WARNING FOR... CRAWFORD COUNTY IN NORTHWESTERN LOWER MICHIGAN * UNTIL 1200 AM EDT * AT 1109 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 3 MILES NORTHWEST OF GRAYLING MOVING SOUTHEAST AT 25 MPH. * THE TORNADO THREAT IS EXPECTED TO BE GREATEST AT... GRAYLING BY 1116 PM EDT THE M-72 & M-18 INTERSECTION BY 1150 PM EDT PERSONS IN AND NEAR THESE AREAS SHOULD IMMEDIATELY MOVE INTO A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS. HIRSCH
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 8:51 PM EDT | Severe Thunderstorm Warning | APX | Leelanau | 49 min |
| Jun 24, 9:22 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix | 63 min |
| Jun 24, 9:54 PM EDT | Severe Thunderstorm Warning | APX | Emmet | 46 min |
| Jun 24, 10:20 PM EDT | Severe Thunderstorm Warning | APX | Kalkaska | 65 min |
| Jun 24, 10:23 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan | 62 min |
| Jun 24, 10:42 PM EDT | Severe Thunderstorm Warning | APX | Crawford | 63 min |
| Jun 24, 11:25 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 65 min |
| Jun 25, 1:38 AM EDT | Severe Thunderstorm Warning | APX | Wexford | 42 min |
| Jun 25, 7:09 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Presque Isle | 61 min |
| Jun 25, 7:27 PM EDT | Severe Thunderstorm Warning | APX | Mackinac | 63 min |
| Jun 25, 7:39 PM EDT | Severe Thunderstorm Warning | APX | Leelanau | 61 min |
| Jun 25, 7:39 PM EDT | Severe Thunderstorm Warning | APX | Antrim | 61 min |
| Jun 25, 7:51 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 49 min |
Nearby
Tornado Warnings in Michigan, 1998Every tornado warning in 1998Tornadoes in 1998
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.