Alert archive / Michigan / Flash Flood Warnings in 2025
Flash Flood Warning 3, NWS Marquette, MI
NWS Marquette, MI issued this flash flood warning at Jul 23, 2025, 7:47 AM EDT for Houghton County, Michigan. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2025, 7:47 AM EDT (11:47 UTC)
- Expired
- Jul 23, 2025, 11:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Marquette, MI
- Area
- Storm-based polygon
- Flood severity
- None
County Houghton County, MI
The radar
The Marquette radar (KMQT), 98 km from the middle of the area, began a volume at 11:47 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 00:00Z, 11.8 hours before the alert went out and 283 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
- 160 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 1171 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 23, 7:36 AM EDT, 11 minutes earlier.
Area forecast discussion, Jul 23, 7:36 AM EDT, 11 minutes before
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Hazardous Weather Outlook National Weather Service Marquette MI 513 AM EDT Wed Jul 23 2025 MIZ001>007-009>014-084-085-240915- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 513 AM EDT Wed Jul 23 2025 /413 AM CDT Wed Jul 23 2025/ This Hazardous Weather Outlook is for portions of central Upper Michigan and western Upper Michigan. .DAY ONE...Today and Tonight Showers and thunderstorms move into western Upper Michigan early this morning. These could produce heavy rain, hail, and strong winds. Showers and thunderstorms are expected today and tonight. Stronger storms could produce heavy rain, strong to damaging winds, and large hail. There is a slight chance (at least 15%) of exceeding flash flood guidance and severe weather across most of Upper Michigan. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Showers and thunderstorms are expected through late Thursday. Stronger storms could produce heavy rain, strong to damaging winds, and large hail. Strong winds and large waves will result in dangerous swimming conditions on Lake Michigan beaches of Schoolcraft County by Wednesday afternoon. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any observed rainfall amounts, flooding, hail or wind damage from 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 social media. LSZ162-240>251-263>267-240915- 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 AM EDT Wed Jul 23 2025 /413 AM CDT Wed Jul 23 2025/ This Hazardous Weather Outlook is for portions of Central Lake Superior...Eastern Lake Superior and Western Lake Superior. .DAY ONE...Today and Tonight Showers and thunderstorms may move into western Lake Superior early this morning. These could produce heavy rain, hail, and strong winds. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Showers and thunderstorms are expected through late Thursday. Stronger storms could produce heavy rain, strong to damaging winds, and large hail. Rainfall this week could result in areas of dense fog. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LMZ221-248-250-240915- 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 AM EDT Wed Jul 23 2025 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Today and Tonight Showers and thunderstorms are expected today. Stronger storms could produce heavy rain, strong to damaging winds, and large hail. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Showers and thunderstorms are expected through late Thursday. Stronger storms could produce heavy rain, strong to damaging winds, and large hail. Rainfall this week could result in areas of dense fog. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. TDUD
In the hours before
Special weather statement, Jul 23, 6:35 AM EDT, 1 hour 12 minutes before
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</html>Local storm report, Jul 23, 7:30 AM EDT, 17 minutes before
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</html>Local storm report, Jul 23, 7:46 AM EDT, 1 minute 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 |
|---|---|---|---|---|
| Jul 23, 4:04 AM EDT | Beach Hazards Statement | MQT | Schoolcraft | 19 hr |
| Jul 23, 6:35 AM EDT | Special Weather Statement | MQT | Houghton | 40 min |
| Jul 23, 7:33 AM EDT | Areal Flood Advisory | MQT | Houghton, Ontonagon | 3 hr |
| Jul 23, 2:29 PM EDT | Flood Watch | MQT | Baraga, Gogebic, Houghton, Keweenaw, Ontonagon | 7 hr |
| Jul 23, 3:47 PM EDT | Special Weather Statement | MQT | 43 min | |
| Jul 23, 6:22 PM EDT | Special Weather Statement | MQT | Menominee | 38 min |
| Jul 23, 7:07 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 42 min |
| Jul 23, 7:22 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 26 min |
| Jul 23, 7:33 PM EDT | Areal Flood Advisory | MQT | Menominee | 2 hr |
| Jul 23, 7:39 PM EDT | Special Marine Warning | MQT | 36 min |
Nearby
Flash Flood Warnings in Michigan, 2025Every flash flood warning in 2025
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.