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Winter Storm
Outlook - Issued prior to an official Winter Storm Watch. The
outlook is given when forecasters believe winter storm conditions
are possible, usually 48 to 60 hours in advance of the winter
storm.
Winter Storm
Watch - Alerts the public to the potential for blizzard
conditions, heavy snow, significant icing, or a combination of
these events. Watches are usually issued 12 to 36 hours before the
beginning of the winter storm.
Winter Storm
Warning - Issued when a combination of heavy snow, heavy
freezing rain or sleet is expected to occur. Winter storm warnings
are usually issued to 6 to 24 hours before the event is expected
to begin.
Heavy Snow -
Six inches or more or snow in 24 hours or less across northern
Ohio. Five inches or more of snow in 24 hours across southern
Ohio.
Significant
Icing - Ice accumulation of ¼ inch or more from freezing rain,
an accumulation or ½ inch or more of sleet, or a combination of
freezing rain and sleet.
Sleet -
Solid grains of ice formed as rain freezes before reaching
the ground.
Freezing Rain
- Rain that falls on surface with a temperature below freezing
causing it to freeze to surfaces forming a coating or glaze of
ice.
Blizzard Warning
- Sustained or gusty winds of 35 MPH or more and falling or
blowing snow creating visibilities below ¼ of a mile. Blizzard
conditions should be expected for at least 3 hours.
Snow
Advisory - Issued when 4 inches
of snow is expected to fall, within 24 hours, over a large part of
northern Ohio. When 3 inches of snow is expected to fall, within
24 hours, over a large part of southern Ohio.
Blowing
and Drifting Snow Advisory -
Issued when blowing snow will restrict visibility to an eighth of
a mile or less and cause significant drifting snow.
Wind Chill
Advisory - Issued when wind chill temperatures are expected to
be between (-20) and (-34) degrees Fahrenheit.
Wind Chill
Warning - Issued when wind chill
temperatures are expected to be less than (-34) Fahrenheit.
Winter Weather
Advisory - Issued for accumulations of snow, freezing rain,
freezing drizzle and sleet, which will cause significant
inconvenience and moderately dangerous.
Dense Fog
Advisory - Issued when
widespread fog will reduce visibility to
1/8 mile or less. |