URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver/Boulder CO
307 PM MDT Sat Sep 30 2017

...Significant snow accumulation possible in the northern Colorado
mountains...

.A powerful Pacific jet stream and moisture will bring more
widespread and heavier precipitation to the mountains. One round
of rain and snow will occur tonight, but most of the accumulating
snow will occur above 10,000 feet. Heavier precipitation is
expected to develop Sunday afternoon and Sunday night, and
continue into Monday. Snow levels are expected to lower to around
7,000 to 8,000 feet near the Wyoming border, and closer to 8,500
to 9,500 feet along the I-70 Corridor by Sunday night.

COZ030-031-033-010515-
/O.NEW.KBOU.WS.A.0014.171001T2100Z-171003T0600Z/
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
Including the cities of Gould, North Park, Rand, Spicer, Walden,
East Slopes Park and Northern Gore Ranges, Gore Pass,
Rabbit Ears Pass, Cameron Pass,
Laramie and Medicine Bow Mountains, Rabbit Ears Range,
Rocky Mountain National Park, and Willow Creek Pass
307 PM MDT Sat Sep 30 2017

...WINTER STORM WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY EVENING...

The National Weather Service in Denver has issued a Winter Storm
Watch, which is in effect from Sunday afternoon through Monday
evening.

* TIMING...Rain and snow will increase Sunday afternoon and become
heavier through Sunday night. Snow levels will lower to valley
floors Sunday night. Precipitation should decrease by Monday
evening.

* SNOW ACCUMULATIONS...8 to 16 inches possible, with amounts of 4
to 10 inches possible in valley locations.

* WIND/VISIBILITY...As low as one quarter mile during periods of
heavy snow.

* IMPACTS...Travel conditions may be slow and hazardous late
Sunday afternoon through Sunday night and Monday. Areas of slush
and snow will likely develop on many mountain roads during the
periods of heavier snowfall. Hunters and other outdoor interests
should take note of this prolonged period of winter weather, and
be prepared for much colder temperatures and accumulating snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Watch means there is a potential for significant
snow...sleet...or ice accumulations that may impact travel.
Continue to monitor the latest forecasts.