Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 211017
HWOBOU

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
417 AM MDT Sun May 21 2017

COZ030>051-221030-
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
County-
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
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
417 AM MDT Sun May 21 2017

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Scattered showers and thunderstorms will increase this afternoon
and evening with the approach of an upper level disturbance.
Storms will produce a brief period of moderate rainfall, gusty
winds up to 40 mph, lightning, and possibly some small hail.
Temperatures will be cool enough to support light snow
accumulations up to 2 inches in the mountains above 10 thousand
feet.

Gradual clearing will occur after midnight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There will be a chance of showers and a few thunderstorms on
Monday and Tuesday. It will still be cool, with light snow
accumulations mainly over the higher mountains. Drier and warmer
weather will return for Wednesday. Thunderstorm chances may
increase again over the plains for Friday and Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$



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