Thunderstorms moving across Wakefield dropped heavy rain which caused minor flooding near the intersection of Highways US-2 and M-28 on the afternoon of the 10th.
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The episode as NWS MQT wrote it up.
Thunderstorms moving across Wakefield dropped heavy rain which caused minor flooding near the intersection of Highways US-2 and M-28 on the afternoon of the 10th.
The local office's own words before the first event, 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 the first event at Aug 10, 1:49 PM CST, 11 minutes earlier.
Area Forecast Discussion National Weather Service Marquette MI 349 PM EDT Thu Aug 10 2017 .SHORT TERM...(This evening through Friday) Issued at 228 PM EDT THU AUG 10 2017 Afternoon satellite and radar loops show a broad upper-level trough across the Upper Great Lakes region with showers and thunderstorms developing ahead of the surface low, currently situated in far southwest Upper Michigan, across the warm sector as a PV anomaly begins to provide additional lift. Fairly expansive cloud cover has lingered across the warm sector, hindering our heating a bit this afternoon. However, fairly humid conditions were observed across the warm sector with dew points in the low to mid 60s. The main concern this afternoon and evening is for the potential for strong to possibly severe storms across the south central portions of Upper Michigan. As the surface low and upper-level PV anomaly track eastward across northern Wisconsin and central portions of Upper Michigan this afternoon, expect showers and thunderstorms to increase in coverage. The better surface-based instability, with around 1500 J/kg, is progged to nose into south central portions of the area. Shear wise, with the mid and upper-level jet pushing east across southern Wisconsin, the better deep-layer shear will be displayed well south of the area. At best, we may see a brief window where we see 20 to 25 knots of effective bulk shear this afternoon across the south central. However, with the main upper-level wave moving overhead, there should be enough lift to take advantage of the instability and marginal shear for a storm or two to become strong to severe. In fact, while the magnitude of effective shear is not impressive, the direction shear is rather impressive. Therefore, if a storm or two can rotate this afternoon/evening, with quasi- steep mid-level lapse rates and dry-mid level air in place, large hail and damaging winds look possible. Elsewhere, with MUCAPES around 500 J/kg cannot rule out the possibility of a few rumbles of thunder this afternoon. Tonight through Friday, as the main system exits the area wrap around rain showers will diminish from west to east. Still cannot rule out a few rumbles of thunder across the central and east during the overnight hours, but any stronger thunderstorm activity should weaken. A few models are a bit robust compared to others in clearing things out on the back side of the system; which seems fairly reasonable as there is no expansive deck of stratus behind the system across northern Minnesota at the moment. Therefore, expect skies to gradually clear across the west during the late morning to early afternoon hours on Friday. Across the central and east, where onshore, upslope northerly flow is expected to persist, the clouds may remain socked in for a good portion of the day, with drizzle at least during the morning hours. .LONG TERM...(Friday night through Thursday) Issued at 349 PM EDT THU AUG 10 2017 Fairly quiet weather expected through much of the extended forecast. There will be some afternoon showers and thunderstorms possible Monday afternoon and more widesrpead rainfall expected toward the end of the extended forecast. Saturday and Sunday: The main upper-level trough axis will shift to the east of the Upper Peninsula this weekend as dry surface high pressure builds into the area. This will keep conditions mainly dry for the U.P. There will probably be some afternoon fair weather cumulus clouds that develop during the afternoon hours; however, these will quickly diminish as the sun sets. High temperatures will remain mainly in the 70s as at least some troughing lingers over the area. Monday through Wednesday: As the upper-level trough continues to push slowly to the east, a weak shortwave is progged to brush through the Upper Great Lakes region Monday afternoon. At this point, it looks like the wave will slide through during peak heating and just enough moisture and instability will be in place to allow for some afternoon showers and thunderstorms to develop. The best chances will be along any lake breezes that develop during the afternoon as these will act as the trigger/low level forcing for development. Otherwise, the rest of this period will remain fairly dry with a warming trend expected as upper level ridging moves into the Upper Great Lakes. Temperatures will be in the mid to upper 70s Monday before slowly warming to the upper 70s and low 80s by Wednesday afternoon. The rest of the extended: Model differences remain, on the placement/development of a surface low progged to develop over the Northern Plains late Wednesday night into Thursday. The GFS is much more progressive with the upper-level troughing and development of a surface low, while the EC keeps the ridge in place a bit longer. This will allow for some unsettled weather toward the end of the extended (Thursday into Friday). At this point, will stick with a consensus of the models for this time period, introducing more of a widespread potential for scattered rain showers. && .AVIATION...(For the 18Z TAFS through 18Z Friday afternoon) Issued at 120 PM EDT THU AUG 10 2017 Challenging aviation forecast today as low pressure currently situated near KIWD this afternoon pushes east across Upper Michigan this afternoon into the overnight hours. Ahead of this low, showers and thunderstorms are expected at KSAW this afternoon, with lingering showers and perhaps some lingering drizzle early Friday morning. Behind the low at KIWD/KCMX ceilings and visibilities will deteriorate down into the IFR category through the late afternoon and tonight as cooler air moves over the area and upslope flow develops from the northwest. These lower ceilings and visibilities will eventually arrive to KSAW later tonight, and may linger into a good portion of the day on Friday. Conditions on Friday should improve into at least the MVFR category at KIWD/KCMX through the late morning hours. && .MARINE...(For the 4 PM Lake Superior forecast issuance) Issued at 228 PM EDT THU AUG 10 2017 As surface low pressure moves across Upper Michigan this afternoon and into the overnight hours, a few observations had noted gale force winds behind the surface low across the far southwestern portions of the lake. These winds should subside through the afternoon hours; however as the low pressure system does continue to move east tonight, expect winds of 20 to 30 knots across the west and central portions of the lake. As the system exits the region and the pressure gradient weakens through the day Friday, winds will be around 15 to 20 knots. Fog looks possible across the lake, especially where area of heavy rain occur tonight into Friday. Friday night through the middle of next week, winds look like they will remain at or below 15 knots. && .MQT WATCHES/WARNINGS/ADVISORIES... Upper Michigan... None. Lake Superior... Gale Warning until 8 PM EDT /7 PM CDT/ this evening for LSZ162. Lake Michigan... None. && SHORT TERM...Ritzman LONG TERM...KEC AVIATION...Ritzman MARINE...Ritzman
Hazardous Weather Outlook National Weather Service Marquette MI 353 PM EDT Thu Aug 10 2017 MIZ001>007-009>014-084-085-111200- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 353 PM EDT Thu Aug 10 2017 /253 PM CDT Thu Aug 10 2017/ This Hazardous Weather Outlook is for portions of western Upper Michigan and central Upper Michigan. .DAY ONE...Tonight Thunderstorms are possible through tonight over most of Upper Michigan. A few thunderstorms this evening could be strong to severe with gusty winds and large hail over south central upper Michigan. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Thunderstorms are possible Friday afternoon across eastern upper Michigan. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any observed 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 Facebook or Twitter. LSZ162-240>251-263>267-111200- 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- 353 PM EDT Thu Aug 10 2017 /253 PM CDT Thu Aug 10 2017/ This Hazardous Weather Outlook is for portions of Eastern Lake Superior...Central Lake Superior and Western Lake Superior. .DAY ONE...Tonight Thunderstorms are possible over eastern portions of Lake Superior through tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LMZ221-248-250-111200- 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- 353 PM EDT Thu Aug 10 2017 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Tonight Thunderstorms are possible through tonight. A few storms may be strong to severe through this evening and could contain large hail and gusty winds. .DAYS TWO THROUGH SEVEN...Friday through Wednesday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any observed 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 Facebook or Twitter. KEC
Special Weather Statement National Weather Service Marquette MI 337 PM EDT THU AUG 10 2017 MIZ002-009-102000- Ontonagon MI-Gogebic MI- 337 PM EDT THU AUG 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL GOGEBIC AND SOUTH CENTRAL ONTONAGON COUNTIES UNTIL 400 PM EDT/300 PM CDT/... At 337 PM EDT/237 PM CDT/, Doppler radar was tracking a strong thunderstorm near Northern Lake Gogebic, or 26 miles south of Ontonagon. This storm was nearly stationary. Half inch hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Lake Gogebic State Park. LAT...LON 4643 8961 4660 8956 4661 8928 4634 8936 TIME...MOT...LOC 1937Z 281DEG 1KT 4650 8949 Ritzman
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Heavy rainfall which lasted approximately one hour caused an estimated 6-8 inches of water over roads near the intersection of Highways US-2 and M-28. Time of the report was estimated from radar.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2017Every state in 2017This day in weather historyWarnings in Michigan, August 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 715650.