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Winter Weather Advisory 0034
Issued by the Marquette Forecast Office

Action Issued Starts Expiration
New 2025-12-01 13:10:20 2025-12-01 18:00:00 2025-12-02 09:00:00
Continued 2025-12-02 02:01:10 2025-12-02 09:00:00


Action: New
Issued At: 2025-12-01 13:10:20

271 
WWUS43 KMQT 011910
WSWMQT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Marquette MI
210 PM EST Mon Dec 1 2025

MIZ001-021000-
/O.NEW.KMQT.WW.Y.0034.251202T0000Z-251202T1500Z/
Keweenaw-
Including the cities of Copper Harbor
210 PM EST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM 
EST TUESDAY...

* WHAT...Lake effect snow expected. Total snow accumulations up to 5 
  inches, heaviest totals north and west of US-41. Moderate to heavy 
  snowfall rates of 0.5 to 1 inch per hour possible.

* WHERE...Keweenaw County.

* WHEN...From 7 PM this evening to 10 AM EST Tuesday.

* IMPACTS...Plan on slippery road conditions. Moderate to heavy 
  snowfall rates at times may reduce visibility down to quarter 
  mile. The hazardous conditions could impact the Tuesday morning 
  commute.

* ADDITIONAL DETAILS...Shifts in the lake effect snow band location 
  will drastically affect snowfall totals. If positioned just 
  offshore to the north, accumulations will be limited to around 1 
  to 2 inches. A more southerly position could yield amounts between 
  6 to 12 inches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

77


Action: Continued
Issued At: 2025-12-02 02:01:10

755 
WWUS43 KMQT 020800
WSWMQT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Marquette MI
300 AM EST Tue Dec 2 2025

MIZ001-021500-
/O.CON.KMQT.WW.Y.0034.000000T0000Z-251202T1500Z/
Keweenaw-
Including the cities of Copper Harbor
300 AM EST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS 
MORNING...

* WHAT...Lake effect snow. Additional snow accumulations up to 6 
  inches, highest north and west of US-41.

* WHERE...Keweenaw County.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Tuesday morning commute.

* ADDITIONAL DETAILS...Shifts in the lake effect snow band location 
  will drastically affect snowfall totals. If positioned just 
  offshore to the north, accumulations will be limited to around 1 
  inch. A more southerly position could yield amounts up to 6 inches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

GS



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