Alert archive / Michigan / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 74, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at Sep 26, 2020, 5:24 PM CDT for Menominee County, Michigan. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 26, 2020, 5:24 PM CDT (22:24 UTC)
- Expired
- Sep 26, 2020, 5:45 PM CDT
- In force
- 21 min
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
County Menominee County, MI
The radar
The Marquette radar (KMQT), 112 km from the middle of the area, began a volume at 22:26 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.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.4 hours before the alert went out and 125 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
- 87 J/kg
- Mixed-layer CIN
- -480 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 26, 3:35 PM CDT, 1 hour 49 minutes earlier.
Area forecast discussion, Sep 26, 3:35 PM CDT, 1 hour 49 minutes before
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</html>Hazardous weather outlook, Sep 26, 4:13 PM CDT, 1 hour 11 minutes before
Hazardous Weather Outlook National Weather Service Marquette MI 513 PM EDT Sat Sep 26 2020 MIZ001>007-009>013-084-085-271200- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Houghton- Northern Schoolcraft- 513 PM EDT Sat Sep 26 2020 /413 PM CDT Sat Sep 26 2020/ This Hazardous Weather Outlook is for portions of western Upper Michigan and central Upper Michigan. .DAY ONE...Tonight Scattered to numerous thunderstorms are expected tonight, especially during the evening into the early overnight hours. A few thunderstorms may become severe with large hail the greatest risk. Frequent lightning and torrential downpours will also accompany some of the storms. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any observed strong winds, wind damage or hail caused by thunderstorms to the National Weather Service in Marquette. The public may also submit reports to the National Weather Service via phone, on our website, or through Facebook or Twitter via #906wx. MIZ014-271200- Southern Schoolcraft- 513 PM EDT Sat Sep 26 2020 This Hazardous Weather Outlook is for portions of central Upper Michigan. .DAY ONE...Tonight There is a moderate swim risk for the Lake Michigan beaches of Schoolcraft County through this evening. Scattered to numerous thunderstorms are expected tonight, especially during the evening into the early overnight hours. A few thunderstorms may become severe with large hail the greatest risk. Frequent lightning and torrential downpours will also accompany some of the storms. .DAYS TWO THROUGH SEVEN...Sunday through Friday There is a high swim risk for the Lake Michigan beaches of Schoolcraft County on Sunday. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any observed strong winds, wind damage or hail caused by thunderstorms to the National Weather Service in Marquette. The public may also submit reports to the National Weather Service via phone, on our website, or through Facebook or Twitter via #906wx. LMZ221-248-250-271200- Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 PM EDT Sat Sep 26 2020 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Tonight Scattered to numerous thunderstorms are expected tonight. Isolated severe thunderstorms are possible. Patchy fog will persist tonight. The fog may be locally dense over western Lake Superior. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LSZ162-240>251-263>267-271200- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 PM EDT Sat Sep 26 2020 /413 PM CDT Sat Sep 26 2020/ This Hazardous Weather Outlook is for portions of Eastern Lake Superior...Central Lake Superior and Western Lake Superior. .DAY ONE...Tonight Scattered to numerous thunderstorms are expected tonight, mainly during the evening. A few severe thunderstorms are possible. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. Rolfson
In the hours before
Special weather statement, Sep 26, 4:19 PM CDT, 1 hour 5 minutes before
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</html>The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 7:04 PM CDT | Special Weather Statement | MQT | Ontonagon | 26 min |
| Sep 25, 7:14 PM CDT | Severe Thunderstorm Warning | MQT | Ontonagon | 46 min |
| Sep 25, 7:25 PM CDT | Special Marine Warning | MQT | 35 min | |
| Sep 25, 7:46 PM CDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Ontonagon | 29 min |
| Sep 25, 7:52 PM CDT | Special Weather Statement | MQT | Gogebic | 23 min |
| Sep 25, 8:04 PM CDT | Special Weather Statement | MQT | Ontonagon | 26 min |
| Sep 25, 8:15 PM CDT | Special Weather Statement | MQT | Keweenaw | 30 min |
| Sep 25, 8:16 PM CDT | Special Marine Warning | MQT | 44 min | |
| Sep 25, 8:25 PM CDT | Special Marine Warning | MQT | 35 min | |
| Sep 25, 8:30 PM CDT | Special Weather Statement | MQT | Gogebic | 30 min |
| Sep 25, 8:34 PM CDT | Special Weather Statement | MQT | Baraga | 26 min |
| Sep 25, 8:43 PM CDT | Areal Flood Advisory | MQT | Houghton | 62 min |
| Sep 25, 8:50 PM CDT | Special Marine Warning | MQT | 25 min | |
| Sep 25, 8:54 PM CDT | Severe Thunderstorm Warning | MQT | Baraga, Marquette | 36 min |
| Sep 25, 9:05 PM CDT | Special Marine Warning | MQT | 25 min | |
| Sep 25, 9:08 PM CDT | Severe Thunderstorm Warning | MQT | Baraga, Iron, Marquette | 37 min |
| Sep 25, 9:22 PM CDT | Special Marine Warning | MQT | 42 min | |
| Sep 25, 9:27 PM CDT | Severe Thunderstorm Warning | MQT | Gogebic, Iron | 33 min |
| Sep 25, 9:31 PM CDT | Severe Thunderstorm Warning | MQT | Marquette | 29 min |
| Sep 25, 9:42 PM CDT | Special Marine Warning | MQT | 33 min | |
| Sep 26, 9:21 AM CDT | Marine Dense Fog Advisory | MQT | 10 hr | |
| Sep 26, 10:23 AM CDT | Small Craft Advisory | MQT | 43 hr | |
| Sep 26, 4:19 PM CDT | Special Weather Statement | MQT | Menominee | 26 min |
| Sep 26, 5:12 PM CDT | Special Weather Statement | MQT | Menominee | 18 min |
| Sep 26, 5:19 PM CDT | Special Weather Statement | MQT | Menominee | 26 min |
| Sep 26, 5:35 PM CDT | Special Marine Warning | MQT | 40 min | |
| Sep 26, 5:58 PM CDT | Special Marine Warning | MQT | 47 min | |
| Sep 26, 6:59 PM CDT | Special Weather Statement | MQT | Iron | 46 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2020Every severe thunderstorm warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.