Blizzard/Lake Effect Snow/Winter Storm Warning

A "WARNING"  is issued when conditions become imminent, or have a high probability of occurring. 

Issued when the following winter weather conditions become imminent or have a high probability of occurring:

Heavy snow or heavy lake effect snow. In our region, heavy snow means 7 inches or more of accumulation in 12 hours or less, or 9 inches or more of accumulation in 24 hours or less.
A significant, and possibly damaging accumulation of ice (normally at or greater than 1/2 inch).
Blizzard conditions.
Heavy mixed precipitation (snow, sleet and freezing rain), blowing and drifting snow, etc.
Winter weather causing significant public impact even if the above criteria is not met.

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High Wind Warning

A "WARNING"  is issued when conditions become imminent, or have a high probability of occurring. 

Issued when the occurrence of high winds become imminent or have a high probability of occurring: 

In our region, high winds are considered to be sustained winds speeds of 40 mph or greater, lasting for one hour or longer.
Wind gusts of 58 mph or greater.

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Wind Chill Warning

A "WARNING"  is issued when conditions become imminent, or have a high probability of occurring. 

Issued when the occurrence of dangerous wind chill temperatures (with wind speeds of 10 mph or greater) become imminent or have a high probability of occurring:

In our region, dangerous wind chill temperatures are considered to be 25 below zero or colder.
Wind chill temperatures of 30 below zero or colder for Jefferson and Lewis counties.

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Lakeshore Flood Warning

A "WARNING"  is issued when conditions become imminent, or have a high probability of occurring.  

Issued when  flooding along the Lake Erie shore becomes imminent or has a high probability of occurring (usually due to strong winds resulting in a seiche): 

The Lake Erie gage may reach or exceed 8 feet.
If there is the potential of the lake Erie gage reaching 9 feet, then the Upper Niagara River will be included in the watch.

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