|Winter Storm Watch
||Adverse winter weather is possible in the watch area.
|Winter Storm Warning
||Hazardous winter weather will occur in the warning area.
||Snowfall accumulating to 6 inches or more in 12 hours; OR, 8 inches or more in 24 hours.
||The following conditions are expected to prevail for a period of three hours or longer:
- sustained winds or frequent gusts to 35 mph or greater; and,
- considerable falling and/or blowing snow (frequently reducing visibilities to less than 1/4 mile).
||Heavy ice accumulations will cause extremely dangerous and damaging situations, such as icy roads and downed power lines.
|Winter Weather Advisory
||Winter weather conditions (including snow, blowing snow, freezing rain, freezing drizzle) are expected to cause significant inconveniences.
|Wind Chill Warning
||Issued when the wind chill is 35 below zero or colder. At minimum, a 10 mph wind should be occurring or forecast.
|Wind Chill Advisory
||Issued when the wind chill ranges from 20 below zero to 34 below zero...with a minimum of a 10 mph wind.
||Issued when surface temperatures are expected to be below freezing for a significant amount of time during the growing season.
||Issued when widespread frost is expected during the growing season...generally when temperatures in the lower to mid 30s, clear skies and light winds are forecast.
|High Wind Warning
||Issued for non-convective wind gusts of 58 mph or greater; OR, sustained winds of 40 mph or greater expected to last one hour or longer.
||Issued for non-convective wind gusts of 45 mph or greater; OR, sustained winds of 30 mph or greater expected to last one hour or longer.