A preliminary forecast, typically issued when an approaching storm is more than 24 hours away. The Alert provides a heads-up about a potential situation.
Typically issued 16-18 hours in advance of the start of any snow that is expected to accumulate on roads or in the case of any ice accumulation. Updated warnings are issued as appropriate throughout the weather event.
An advisory is issued three or more hours prior to an event when snow will generally be on the lighter side (typically an inch or less). While you may get some snow, a major plowing operation is not expected. Advisories are also used when freezing drizzle or fog may be a concern or when there is a small threat of snow that may cause problems, but the likelihood of accumulation is low.
With our Authenticated Snow Totals service, snow contractors can be confident that their charges are based on accurate, authenticated snowfall amounts. Businesses can confirm that their snow removal service invoices are correct.
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