Washington County Hazardous Weather Outlook

…HEAVY SNOW TONIGHT INTO TUESDAY WITH INCREASING WINDS ON THE
PLAINS TUESDAY…

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

.DAY ONE…Today and Tonight

A significant snow storm will occur over the forecast area this
afternoon through Tuesday. Snow will develop over the northern
mountains by late morning and spread gradually southward. The
snow will become heavy in the northern mountains by late afternoon
and spread south toward the Interstate 70 mountain corridor and
onto the plains around Fort Collins, Loveland, Longmont and
Greeley by early evening. The heavy snow will reach the Denver
area by late evening, and spread east across the plains overnight.
The snow is expected to be very heavy in areas north of Denver
during the evening and overnight hours, and this will be moving
into Denver and the nearby foothills after midnight.

Snow accumulations by sunrise Tuesday are expected to range from 8
to 18 inches in areas north of Denver, with 6 to 12 inches in the
higher mountains and from Denver east across the plains. The
foothills of Larimer and Boulder counties may have even heavier
amounts. Travel will become difficult or impossible in the areas
of heavy snow.

.DAYS TWO THROUGH SEVEN…Tuesday through Sunday

Moderate to heavy snow will continue across the forecast area
Tuesday morning, then decrease from west to east through the
afternoon, and end early Tuesday evening. Total snowfall amounts
will range from 8 to 16 inches across most of the area, with up to
22 inches from Boulder north to Fort Collins and up to 30 inches
in the foothills of Larimer and Boulder counties. Strong
northerly winds of 15 to 30 mph are expected over the plains later
this evening through Tuesday creating blowing snow. Gusts to 40
mph over the eastern part of the plains may create near blizzard
conditions Tuesday afternoon.

Travel conditions will be difficult to impossible in the warning
area Tuesday morning, then improve from west to east later
Tuesday afternoon and early evening as the storm moves out.

Wednesday looks pretty dry across the forecast area. An unsettled
weather pattern is expected Thursday through Saturday with a good
chance of snow and temperatures below seasonal normals.

.SPOTTER INFORMATION STATEMENT…

Snowfall reports from spotters will be appreciated.

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