Special Weather Statement
Issued by NWS Marquette, MI

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WWUS83 KMQT 200903
SPSMQT

Special Weather Statement
National Weather Service Marquette MI
503 AM EDT Thu Sep 20 2018

MIZ001>004-009-010-084-201915-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Gogebic-Iron-
Southern Houghton-
Including the cities of Copper Harbor, Ontonagon, Houghton,
Hancock, L`Anse, Ironwood, Iron River, Kenton, and Sidnaw
503 AM EDT Thu Sep 20 2018 /403 AM CDT Thu Sep 20 2018/

...HEAVY RAIN POSSIBLE TONIGHT BECOMING BLUSTERY WITH HIGH WAVES
OFF OF LAKE SUPERIOR TOMORROW...

Low pressure will lift across western Upper Michigan and Lake
Superior tonight into Friday morning. This system will bring with
it the potential for moderate to heavy rain tonight into Friday
morning. Rainfall totals are expected to range from 1 to 2 inches,
with locally higher amounts possible. As the system deepens and
continues to lift into Canada, a cold front will push east across
western Upper Michigan early Friday morning. This will bring
falling temperatures, lingering chance for lake effect rain
showers, and breezy conditions throughout the day. Behind the
front, winds will be out of the northwest, pushing onshore from
Lake Superior. With northwest gales off of Lake Superior expected
along the western shoreline of the Keweenaw Peninsula, large waves
of 10 to 12 feet could cause minor beach erosion.

$$

MIZ005>007-201915-
Marquette-Alger-Luce-
Including the cities of Gwinn, Marquette, Grand Marais, Munising,
and Newberry
503 AM EDT Thu Sep 20 2018

...TOMORROW BECOMING BLUSTERY WITH HIGH WAVES OFF OF LAKE SUPERIOR...

Low pressure will lift across western Upper Michigan and Lake
Superior tonight into Friday morning. With this system will come
the potential for light to moderate rain. Rainfall totals are
expected to remain less than 2 inches, with lesser amounts across
eastern Upper Michigan. As the system deepens and continues to
lift into Canada, a cold front will push east central and eastern
Upper Michigan during the mid-morning hours on Friday. This will
bring falling temperatures, lingering chances for light lake
effect rain showers, and breezy conditions throughout the day.
Winds will become north-northwesterly, with gales pushing inland
off of Lake Superior near the shoreline. These strong and gusty
winds will allow waves to increase Friday afternoon and evening to
around 12 to 14 feet. These large waves may cause beach erosion
and perhaps some lakeshore flooding issues, especially east of
Marquette to Grand Marais.

$$

Ritzman



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