Alert archive / Michigan / Tornado Warnings in 1998
Tornado Warning 11, NWS Gaylord, MI
NWS Gaylord, MI issued this tornado warning at Jun 25, 1998, 8:47 PM EDT for Crawford County, Michigan. It was in force for 48 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 25, 1998, 8:47 PM EDT (00:47 UTC)
- Expired
- Jun 25, 1998, 9:35 PM EDT
- In force
- 48 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Crawford County, MI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 8:47 PM EDT | Tornado F0 | Camp Grayling, MI | Brief tornado touchdown with no reported damage. |
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 25, 6:30 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 00:00Z, 0.8 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
- 1154 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1190 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAPN 260049 RRA TORAPN MIC039-260135- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GAYLORD MI 847 PM EDT THU JUN 25 1998 THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A * TORNADO WARNING FOR... CRAWFORD COUNTY IN NORTHWESTERN LOWER MICHIGAN * UNTIL 935 PM EDT * AT 844 PM EDT... SPOTTERS REPORTED A TORNADO IN THE VICINITY OF CAMP GRAYLING MOVING EAST AT 35 MPH. * THE TORNADO THREAT IS EXPECTED TO BE GREATEST AT... ANx AREA ALONG F-32 BETWEEN GRAYLING AND LOVELLS BY 900 PM EDT. PERSONS IN AND NEAR THESE AREAS SHOULD IMMEDIATELY MOVE INTO A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS. NORCROSS/HURLEY
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 8:08 PM EDT | Severe Thunderstorm Warning | APX | Otsego | 62 min |
| Jun 25, 8:12 PM EDT | Severe Thunderstorm Warning | APX | Charlevoix, Cheboygan | 63 min |
| Jun 25, 8:17 PM EDT | Tornado Warning | APX | Kalkaska | 63 min |
| Jun 25, 8:21 PM EDT | Severe Thunderstorm Warning | APX | Crawford | 64 min |
| Jun 25, 8:30 PM EDT | Severe Thunderstorm Warning | APX | Montmorency, Presque Isle | 65 min |
| Jun 25, 8:51 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Leelanau | 64 min |
| Jun 25, 8:55 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 65 min |
| Jun 25, 9:05 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 60 min |
| Jun 25, 9:26 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 64 min |
| Jun 25, 10:04 PM EDT | Severe Thunderstorm Warning | APX | Wexford | 46 min |
| Jun 25, 10:40 PM EDT | Severe Thunderstorm Warning | APX | Otsego | 65 min |
| Jun 25, 10:43 PM EDT | Severe Thunderstorm Warning | APX | Roscommon | 62 min |
| Jun 25, 11:17 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw | 48 min |
| Jun 25, 11:26 PM EDT | Tornado Warning | APX | Ogemaw | 49 min |
| Jun 25, 11:31 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 64 min |
| Jun 25, 11:41 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 49 min |
| Jun 26, 12:28 AM EDT | Tornado Warning | APX | Iosco | 47 min |
| Jun 26, 1:27 AM EDT | Severe Thunderstorm Warning | APX | Roscommon | 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.