Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 270859

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT FRI OCT 27 2017

...Today in metro Denver weather history...

25-27 In 1897...a major storm dumped 13.5 inches of snowfall over
        downtown Denver.  Rain changed to snow during the evening
        of the 25th and continued through mid-morning of the 27th.
        Most of the snow...12.0 inches...fell on the 26th when north
        winds were sustained to 36 mph and gusts were as high as 46
        mph.  Temperatures during the storm were in the 20`s and
        lower 30`s.  Precipitation (rain and melted snow) totaled
        1.21 inches.
26-27 In 1971...strong winds raked Boulder.  At the National Bureau
        of Standards wind gusts to 62 mph were recorded...while in
        downtown Boulder winds peaked to 48 mph.  At Stapleton
        International Airport...northwest winds gusted to 38 mph on
        the 26th and north winds gusted to 36 mph on the 27th.
      In 1976...the first measurable snow of the season turned into
        a major storm.  Traffic was halted for several hours on
        highways to the west of Denver where 8 to 12 inches of
        snow fell in the foothills.  Snowfall totaled 7.2 inches
        at Stapleton International Airport where north winds
        gusted to 30 mph.  Most of the snow...6.3 inches...fell
        all day on the 26th.  The greatest snow depth on the
        ground was 5 inches on the morning of the 27th.
27    In 1980...the first snowfall of the season totaled only
        1.5 inches with 0.10 inch of moisture at Stapleton
        International Airport where the maximum snow depth on
        the ground was only 1 inch due to melting.  This was the
        only measurable precipitation of the month...making it the
        driest October since 1962 when only 0.03 inch of
        precipitation was measured.
      In 1994...wind gusts to 70 mph were recorded atop Squaw
        Mountain...5 miles south of Idaho Springs...and at
        Rollinsville in the foothills southwest of Boulder.
        Northwest winds gusted to 28 mph at Stapleton
        International Airport.
27-28 In 1874...strong west winds in Boulder along with a
        reported tornado produced 150 dollars in damage.
      In 1913...a strong cold front produced sustained northeast
        winds to 35 mph with gusts as high as 38 mph on the 27th.
        Overnight snowfall totaled 5.8 inches.  Temperatures
        plunged to a low of 17 degrees on the morning of the 28th
        after a high of 60 degrees on the 27th.
27-30 In 2009...a powerful early season storm brought heavy
        snow to the Front Range. The combination of a deep
        northeasterly upslope flow coupled with abundant moisture
        and lift with the developing storm system produced an
        extended period of moderate to heavy snowfall. The heavy
        wet snow accumulated on trees and resulted in broken
        branches and scattered electrical outages.  Interstates 70
        and 76 were closed east of Denver. Numerous other roads
        and highways were shut down. The Red Cross set up numerous
        emergency shelters for stranded travelers. The blowing
        snow at Denver International Airport forced the
        cancellation of hundreds of flights. Schools were also
        closed. In the foothills storm totals included: 46 inches...
        3 miles southeast of Pinecliffe; 42 inches...3 miles
        southwest of Conifer; 34 inches...3 miles north of
        Blackhawk; 30 inches at Aspen Springs and near Evergreen...
        23 inches at Roxborough Park...and 20 inches...3 miles
        south-southeast of Morrison. Across the Urban Corridor
        storm totals included: 25 inches in Highlands Ranch;
        21.5 inches near Louisville...20.5 inches in Broomfield...
        20 inches at Lafayette...17.5 inches in Boulder...17 inches
        in Westminster...16.5 inches in Erie; 15.5 inches in
        Arvada and 5 miles west-northwest of Littleton...15 inches
        in Littleton...14 inches in Englewood...13.5 inches in
        Lakewood and 6 miles north of Thornton; 13.3 inches at
        Denver International Airport...11 inches...4 miles south of
        Denver; 10.5 inches...2 miles north of Cherry Hills Village
        and Niwot.

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