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NON-PRECIPITATION CONDITIONS

ADVISORIES
WIND ADVISORY
Issued for sustained winds 31-39 mph for at least 1 hour; OR any gusts to 46-57 mph.
DENSE FOG ADVISORY
Dense Fog Advisories may be issued for visibilities 1/4 mile or below. These Advisories will usually be posted for widespread events, not small local events such as valley fog in the summer.
HEAT ADVISORY
A Heat Advisory will be issued when the Heat Index is expected to reach 105 with a nighttime low not below 80.
WIND CHILL ADVISORY
Issued when wind chill values are expected to be in the -35 to -50 degree F range.
FROST ADVISORY
A Frost Advisory will be issued when widespread frost is forecast during the growing season (temperatures do not necessarily have to be 32 for frost).
FREEZE ADVISORY
A Freeze Advisory will be issued for widespread temperatures of 32 or colder are forecast during the growing season (frost may or may not occur)
WATCHES
HIGH WIND WATCH
Issued when wind speeds are forecast to meet warning criteria with in the next 24-36 hours.
WARNINGS
HIGH WIND WARNING
Issued for sustained wind speeds of 40 MPH or greater lasting for 1 hour or longer, OR winds of 58 MPH or greater for any duration of time.
EXCESSIVE HEAT WARNING
An Excessive Heat Warning will be issued with a maximum heat index > 115 with minimum 80.
WIND CHILL WARNING
Issued when wind chill values are expected to be -50 degrees or less.
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