Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at May 25, 2021, 6:28 PM EDT for Ontonagon County, Michigan. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 25, 2021, 6:28 PM EDT (22:28 UTC)
- Expired
- May 25, 2021, 7:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Ontonagon County, MI
The radar
The Marquette radar (KMQT), 153 km from the middle of the area, began a volume at 22:28 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 |
|---|---|---|---|
| May 25, 6:55 PM EDT | TSTM WND DMG | Mass City, MI | TREE DOWN ON POWERLINE. DELAYED REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 25, 3:53 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.5 hours before the alert went out and 279 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
- 96 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1118 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
965
WUUS53 KMQT 252228
SVRMQT
MIC131-252300-
/O.NEW.KMQT.SV.W.0001.210525T2228Z-210525T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Marquette MI
628 PM EDT Tue May 25 2021
The National Weather Service in Marquette has issued a
* Severe Thunderstorm Warning for...
Central Ontonagon County in western Upper Michigan...
* Until 700 PM EDT.
* At 627 PM EDT, severe thunderstorms were located along a line
extending from 6 miles west of Silver City to 6 miles northwest of
Northern Lake Gogebic, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Silver City around 635 PM EDT.
Other locations in the path of these severe thunderstorms include
Ontonagon, Rockland and Mass City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4686 8977 4691 8957 4691 8945 4698 8929
4705 8898 4657 8906 4657 8974 4659 8975
4659 8978
TIME...MOT...LOC 2227Z 256DEG 41KT 4681 8970 4660 8973
HAIL...1.00IN
WIND...60MPH
$$
BW1 follow-up statement
113
WWUS53 KMQT 252243
SVSMQT
Severe Weather Statement
National Weather Service Marquette MI
643 PM EDT Tue May 25 2021
MIC131-252300-
/O.CON.KMQT.SV.W.0001.000000T0000Z-210525T2300Z/
Ontonagon MI-
643 PM EDT Tue May 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR CENTRAL ONTONAGON COUNTY...
At 643 PM EDT, severe thunderstorms were located along a line
extending from near Silver City to near Bergland, moving east at 45
mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Ontonagon, Rockland and Mass City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4691 8949 4691 8945 4698 8928 4705 8898
4657 8906 4662 8954
TIME...MOT...LOC 2243Z 256DEG 41KT 4685 8946 4664 8949
HAIL...1.00IN
WIND...70MPH
$$
BWThe office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 9:44 PM EDT | Small Craft Advisory | MQT | 55 hr | |
| May 25, 2:55 PM EDT | Special Marine Warning | MQT | 35 min | |
| May 25, 3:48 PM EDT | Special Weather Statement | MQT | Schoolcraft | 42 min |
| May 25, 4:40 PM EDT | Special Marine Warning | MQT | 19 min | |
| May 25, 6:12 PM EDT | Special Weather Statement | MQT | Gogebic | 33 min |
| May 25, 6:31 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Keweenaw | 29 min |
| May 25, 6:34 PM EDT | Special Marine Warning | MQT | 41 min | |
| May 25, 6:55 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Ontonagon | 35 min |
| May 25, 7:12 PM EDT | Special Marine Warning | MQT | 63 min | |
| May 25, 7:30 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Marquette | 30 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.