Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 201113

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
513 AM MDT Thu Apr 20 2017

Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
513 AM MDT Thu Apr 20 2017

...Winter Weather Advisory for the Mountains from 6 PM this
Evening through 9 AM MDT Friday...

This hazardous weather outlook is for northeast and north central

.DAY ONE...Today and Tonight

A spring storm system will move into the Northern and Central
Rockies later today. Rain and high mountain snow is expected to
form this afternoon and become widespread by early evening. A few
embedded thunderstorms may bring a brief period of heavy mountain
and rain to the lower elevations. As cooler air moves in, the snow
level will drop to the valley floor tonight. The snow level is
expected to fall to around 7000 feet by sunrise Friday morning.
Total snowfall of 4 to 10 inches is expected in the mountains by
sunrise Friday morning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A storm system will bring cooler air and widespread precipitation
to the region on Friday. The showers may linger into Friday night
but will end on Saturday. Snow will occur in the mountains and
foothills with mostly rain across the plains. Friday night the
rain could change to light snow across portions of northeast
Colorado however little accumulation is expected.


Spotter activation will not be needed today or tonight.


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