Headline:
Heavy Freezing Spray Warning issued December 12 at 10:19AM EST until December 12 at 7:00PM EST by NWS Marquette MI
Event:
Heavy Freezing Spray Warning
Urgency:
Expected
Effective:
December 12, 2024 - 7:19am
Expires:
December 12, 2024 - 3:30pm
Description:
* WHAT...For the Gale Warning, northwest winds 25 to 35 kt and
waves 10 to 13 ft occurring. For the Heavy Freezing Spray
Warning, heavy freezing spray at a rate of 2 cm per hour or
greater occurring, and may rapidly accumulate on vessels.
* WHERE...Lake Superior from Grand Marais MI to Whitefish Point
MI 5NM off shore to the US/Canadian border.
* WHEN...Until 7 PM EST this evening.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
Instruction:
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
Area Description:
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border
Forcast Office:
NWS Marquette MI