Alert archive / Michigan / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 21, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 15, 2001, 1:01 PM EDT for Crawford County, Michigan. It was in force for 44 min. 2 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
- Jun 15, 2001, 1:01 PM EDT (17:01 UTC)
- Expired
- Jun 15, 2001, 1:45 PM EDT
- In force
- 44 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Crawford County, MI
The radar
The NCL Michigan radar (KAPX), 26 km from the middle of the area, began a volume at 17:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 1:30 PM EDT | Thunderstorm Wind 50 E | Frederic, MI | One ten inch diameter tree and several branches blown down. |
| Jun 15, 1:35 PM EDT | Thunderstorm Wind 50 E | Frederic, MI | Several trees snapped off. |
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 15, 12:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 5.0 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
- 449 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1272 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
432 WUUS53 KAPX 151703 SVRAPN MIC039-151745- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GAYLORD MI 101 PM EDT FRI JUN 15 2001 THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CRAWFORD COUNTY IN NORTHERN LOWER MICHIGAN * UNTIL 145 PM EDT * AT 1257 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 15 MILES NORTHWEST OF HOUGHTON LAKE...MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL REACH... INTERSECTION OF I-75 AND US-27 AROUND 120 PM EDT GRAYLING AROUND 125 PM EDT HARTWICK PINES STATE PARK...FREDERIC AROUND 140 PM EDT 8 MILES WEST OF LOVELLS AROUND 145 PM EDT REMAIN INDOORS AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. THIS STORM IS CAPABLE OF PRODUCING WIND GUSTS BETWEEN 60 AND 70 MPH ALONG WITH DIME SIZED HAIL. WINDS THIS HIGH CAN DOWN TREES AND POWER LINES.
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 12:58 PM EDT | Severe Thunderstorm Warning | APX | Antrim | 47 min |
| Jun 15, 1:15 PM EDT | Severe Thunderstorm Warning | APX | Charlevoix | 45 min |
| Jun 15, 1:22 PM EDT | Severe Thunderstorm Warning | APX | Otsego | 53 min |
| Jun 15, 2:05 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan | 40 min |
| Jun 15, 3:02 PM EDT | Severe Thunderstorm Warning | APX | Chippewa | 43 min |
| Jun 15, 4:13 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 62 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2001Every severe thunderstorm warning in 2001
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; radar from the NEXRAD Level II archive.