Snowmelt runoff combined with a period of heavy rain caused minor flooding along the Chocolay River in mid-April.
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The episode as NWS MQT wrote it up.
Snowmelt runoff combined with a period of heavy rain caused minor flooding along the Chocolay River in mid-April.
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 Apr 13, 7:12 PM EST, 4 hours 48 minutes earlier.
Area Forecast Discussion National Weather Service Marquette MI 812 PM EDT Wed Apr 13 2022 .SHORT TERM...(This afternoon) Issued at 421 PM EDT WED APR 13 2022 FG has remained socked-in across much of the north central today, with visibilities at times remaining at 1/4 mile or less. Otherwise, DZ and -SHRA have moved across the area as a strong temp inversion aloft due to weak WAA associated with a phasing low continues over us this afternoon. As the cold front of the low approaches, we could have some more instability develop over the middle and upper levels of the atmosphere, creating more TS chances late this afternoon. However, the best chance for TS will likely be along the cold front late this afternoon; therefore, only a slight chance of TS is expected, as instability is not looking as robust as yesterday. The front looks like it is currently (as of 415pm EDT -ish) near Duluth, MN; it currently looks like it will arrive around this evening. Otherwise, temps have remained cooler today due to the cloud cover socking us in; all the warming from the daytime hours has really come from WAA aloft mixing to the sfc. .LONG TERM...(Tonight through Wednesday) Issued at 439 PM EDT WED APR 13 2022 Tonight, areas of patchy dense fog will persist across Upper Michigan, eventually ending from west to east after midnight as the inversion erodes. Meanwhile, any rain showers/isolated thunderstorms that do form late this afternoon/evening will also taper off with the occluded cold front, especially after Thu 06Z. At that point, strong CAA will overspread Upper Michigan as the closed upper low enters Minnesota. And, this cold airmass will linger well into the weekend with 850 mb temperatures in the -15 to -10C range through Sunday morning. In addition, strong WSW flow will make the Keweenaw especially prone to LES through Saturday when winds shift to the northwest. Latest guidance is trending toward snow totals in the 3 to 6 inch range for the Keweenaw Peninsula. By Saturday night, the pattern will shift a bit as high pressure builds over the region, bringing a lull to the precipitation. The dry conditions will be short-lived, however, as focus quickly turns to the next shortwave and associated surface low from Sunday night through Monday evening. Long range deterministic models continue to show some variability in timing with the Euro trending a tad slower than the GFS. Consistency in the track has improved though with the Euro taking a tad more southern route through northeast WI verses the track across Upper Michigan supported by the GFS. For now, will not deviate much from initialization until better model consistency, which is leaning toward a few inches of snow accumulation with this system. Further out, broad ridging will result in a lull in activity from Monday night through Wednesday. At that point, another system will impact the area as it tracks through Manitoba and across Ontario. And, expect temperatures through the period to generally trend slightly below normal with long range models hinting at a warm up late in the period. As far as headlines, will carry wind advisory for Luce County for tomorrow with significant mixing. Wind gusts out of the southwest will be up to 40 mph. && .AVIATION...(For the 00Z TAFS through 00Z Thursday evening) Issued at 812 PM EDT WED APR 13 2022 Ahead of an approaching occluded front, LIFR and -shra will prevail at IWD/CMX/SAW this evening. Conditions at SAW will likely be blo airfield landing mins for the next few hrs due to FG, though -shra may result in some improvement at times. After passage of front, arrival of colder air will change -shra to -shsn from w to e, beginning by 04z at IWD, by 05z at CMX and by 08z at SAW. After a short period of -shsn, all terminals will improve to VFR overnight, beginning first at IWD, as drier air surges into the area on gusty wsw winds. These wsw winds will gust to at least 25-35kt thru Thu with the strongest winds likely to occur at CMX. Stratocu will develop/wrap back into the area on Thu. At IWD, cloud bases will probably be in high end MVFR range, and some -shsn will likely occur at times. CMX/SAW should remain VFR on Thu. There may be -shsn at times at CMX/SAW in the aftn. && .MARINE...(For the 4 PM Lake Superior forecast issuance) Issued at 510 PM EDT WED APR 13 2022 Southwest gales up to 40 knots expected across central and east- central portions of Lake Superior into tonight. After a brief lull, southwest gales up to 45 knots will ramp up across the western and central portions of Lake Superior tonight through tomorrow morning. After a period of widespread 25 to 30 knot winds Thursday afternoon, southwest gales of 35 to 45 knots will start across the western part of the lake Thursday evening. Southwest gales of 35 to 45 knots will become widespread across the entire lake late Thursday evening through early Friday while gradually shifting to the west. Friday night, winds will shift to the northwest with another gradual shift to the northeast through Sunday. Friday night, wind speeds will be in the 25 to 30 knot range, just continuing to decrease through Sunday. && .MQT WATCHES/WARNINGS/ADVISORIES... Upper Michigan... Wind Advisory from 10 AM to 8 PM EDT Thursday for MIZ007. Lake Superior... Gale Warning from 9 PM Thursday to 4 AM EDT Friday for LSZ267. Gale Warning until noon EDT Friday for LSZ266. Gale Warning until 2 PM EDT /1 PM CDT/ Friday for LSZ162. Gale Warning until 5 PM EDT Friday for LSZ263-264. Dense Fog Advisory until 2 AM EDT Thursday for LSZ245>250. Gale Warning until 6 AM EDT Friday for LSZ265. Gale Warning from 4 AM to noon EDT Thursday for LSZ244-245. Gale Warning from 5 AM to 10 AM EDT Thursday for LSZ246. Gale Warning from 2 AM to noon EDT Thursday for LSZ242-243. Lake Michigan... Dense Fog Advisory until 11 PM EDT this evening for LMZ221-250. Gale Warning from 8 AM to 5 PM EDT Thursday for LMZ221-248-250. && SHORT TERM...TAP LONG TERM...TDUD AVIATION...Rolfson MARINE...TDUD
Hazardous Weather Outlook National Weather Service Marquette MI 406 PM EDT Wed Apr 13 2022 MIZ001>007-009>014-084-085-142015- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 406 PM EDT Wed Apr 13 2022 /306 PM CDT Wed Apr 13 2022/ This Hazardous Weather Outlook is for portions of western Upper Michigan and central Upper Michigan. .DAY ONE...Tonight Some dense fog with visibilities around 1/4 mile or less is possible early this evening. There is a chance of thunderstorms mainly over central and eastern Upper Michigan. Recent and expected rainfall along with snowmelt runoff will cause ponding of water across the area and localized flooding on some area streams. Some minor lakeshore flooding is possible along the southeastern side and the tip of the Keweenaw Peninsula early tonight as waves up to 11 feet are possible. Some minor lakeshore flooding is possible late tonight along the northwestern side of the Keweenaw Peninsula late tonight as waves up to 10 feet are possible. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Some minor lakeshore flooding is possible early Thursday along the northwestern side of the Keweenaw Peninsula as waves up to 11 feet are possible. Some more minor lakeshore flooding is possible Thursday night into Friday night along the northwestern side of the Keweenaw Peninsula as waves up to 11 feet are possible. Some minor lakeshore flooding is possible for Delta and Schoolcraft Counties Thursday and Thursday night. Minor lakeshore flooding is expected to continue along the Lake Michigan shoreline of Schoolcraft County until Friday. Wave heights up to 6 feet are expected in northern Green Bay, and wave heights up to 10 feet are expected along the Lake Michigan shoreline of Schoolcraft County. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LSZ162-240>251-263>267-142015- 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- 406 PM EDT Wed Apr 13 2022 /306 PM CDT Wed Apr 13 2022/ This Hazardous Weather Outlook is for portions of Eastern Lake Superior...Central Lake Superior and Western Lake Superior. .DAY ONE...Tonight Some marine dense fog of 1 NM or less is possible across the lake this evening. There is a chance of thunderstorms today into this evening over the east half of Lake Superior. East gales around 35 knots are expected to become west to southwest gales of 40 to 45 knots tonight over the north central and western lake. See the latest Marine Weather Message and Open Lake Forecast for further details. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Southwest gales of 40 to 45 knots are expected Thursday morning. More southwest to west gales of 35 to 45 knots are expected Thursday night into Friday. See the latest Open Lake Forecast for more details. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. LMZ221-248-250-142015- 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- 406 PM EDT Wed Apr 13 2022 This Hazardous Weather Outlook is for portions of Northern Lake Michigan. .DAY ONE...Tonight Marine dense fog of 1 NM or less is expected early this evening. See the latest Marine Weather Message for more details. There is a chance of thunderstorms this evening. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Southwest gales of 35 to 40 knots expected Thursday into Thursday night. See the latest Marine Weather Message and Nearshore Marine Forecast for further details. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. TAP
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Snowmelt combined with periods of heavy rain resulted in minor flooding along the Chocolay River in Harvey in mid-April.
After NWS Directive 10-1605, the rules offices file Storm Data by.
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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: 1019775.