Alert archive / Michigan / Tornado Warnings in 1998
Tornado Warning 7, NWS Gaylord, MI
NWS Gaylord, MI issued this tornado warning at May 31, 1998, 5:46 AM EDT for Crawford County, Michigan. It was in force for 49 min. 4 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
- May 31, 1998, 5:46 AM EDT (09:46 UTC)
- Expired
- May 31, 1998, 6:35 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 |
|---|---|---|---|
| May 31, 5:47 AM EDT | Thunderstorm Wind 50 | Frederic, MI | Strong thunderstorm winds downed numerous trees and powerlines. |
| May 31, 5:50 AM EDT | Hail 0.75 | Grayling, MI | |
| May 31, 5:55 AM EDT | Tornado F0 | Grayling, MI | The brief tornado touchdown heavilly damaged 1 home. |
| May 31, 6:05 AM EDT | Thunderstorm Wind 61 | Grayling, 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 31, 3:45 AM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 00:00Z, 9.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1457 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 466 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 KAPN 310947 RRA TORAPN MIC039-311035- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GAYLORD MI 546 AM EDT SUN MAY 31 1998 THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A * TORNADO WARNING FOR... CRAWFORD COUNTY IN NORTHWESTERN LOWER MICHIGAN * UNTIL 635 AM EDT * AT 545 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 7 MILES NORTHWEST OF GRAYLING OR 1 MILE SOUTHWEST OF FREDERIC MOVING EAST AT 55 MPH. * THE TORNADO THREAT IS EXPECTED TO BE GREATEST AT... FREDERIC BY 546 AM EDT LOVELLS BY 559 AM EDT PERSONS IN AND NEAR THESE AREAS SHOULD IMMEDIATELY MOVE INTO A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS. OX
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 12:50 AM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 50 min |
| May 31, 2:30 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Leelanau | 50 min |
| May 31, 3:44 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Manistee | 61 min |
| May 31, 4:04 AM EDT | Severe Thunderstorm Warning | APX | Grand Traverse, Leelanau, Wexford | 46 min |
| May 31, 4:48 AM EDT | Severe Thunderstorm Warning | APX | Crawford, Kalkaska, Missaukee, Roscommon | 47 min |
| May 31, 4:50 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Manistee | 50 min |
| May 31, 4:56 AM EDT | Severe Thunderstorm Warning | APX | Grand Traverse, Wexford | 49 min |
| May 31, 5:21 AM EDT | Tornado Warning | APX | Antrim, Kalkaska | 49 min |
| May 31, 5:26 AM EDT | Severe Thunderstorm Warning | APX | Crawford, Roscommon | 49 min |
| May 31, 5:26 AM EDT | Severe Thunderstorm Warning | APX | Otsego | 49 min |
| May 31, 5:49 AM EDT | Severe Thunderstorm Warning | APX | Montmorency, Oscoda | 46 min |
| May 31, 5:49 AM EDT | Severe Thunderstorm Warning | APX | Ogemaw | 46 min |
| May 31, 6:04 AM EDT | Tornado Warning | APX | Oscoda | 51 min |
| May 31, 6:07 AM EDT | Severe Thunderstorm Warning | APX | Arenac, Iosco | 63 min |
| May 31, 6:07 AM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 63 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.