Public Information Statement
Issued by NWS Denver/Boulder, CO
NOUS45 KBOU 120959
Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MST SAT NOV 12 2016
...Today in metro Denver weather history...
10-13 In 2014...an Arctic cold front associated with a strong storm
system over the northern Rockies blasted into northeastern
Colorado. The temperature in Denver plummeted from the high
of 64 degrees at 4:37 pm to 34 degrees by 5:53 pm. The
temperatures continued to fall and dropped into the teens
by early evening. The Arctic airmass remained entrenched
over the region...with the high temperatures failing to reach
the teens from the 11th through the 13th. This was the first
time since records have been taken in Denver...dating back to
1872...that there were three consecutive days with the
maximum temperatures remained below 20 degrees in the month
of November. In addition to the frigid temperatures...0.1
inch of snowfall was observed on 11th at Denver International
Airport...which marked the first measureable snowfall for the
season. An additional 2.2 inches of snowfall was measured on
the 12th. Several temperature records were broken. A
record low max of 16 degrees on the 11th broke the previous
record of 19 set back in 1916. A record low max of 6 degrees
on the 12th broke the previous record of 9 degrees...also set
in 1916. The record low of -13 on the 12th...shattered the
previous record of -4 degrees set back in 1872. Even more
impressive...the record low of -14 degrees on the 13th broke
the previous record of -3 degrees set back in 1916.
11-12 In 1922...a major storm dumped 14.1 inches of snowfall
over downtown Denver. The most snow on the ground
was 10.5 inches at 6:00 PM on the 12th. North winds
were sustained to 21 mph on the 11th. Temperatures
were generally in the teens and 20`s.
In 1964...strong winds in Boulder caused power outages and
minor damage. Winds gusted to 42 mph in downtown Boulder.
At Stapleton International Airport west winds gusted to
36 mph on the 11th and 35 mph on the 12th.
In 1976...snow and freezing drizzle caused icing on bridges...
overpasses and some main roads. The elevated portion of
I-70 was closed for a time during the afternoon of the
11th. Snowfall totaled only 0.8 inch at Stapleton
International Airport...where northeast winds gusted
to 20 mph on the 11th.
In 1989...the temperature climbed to a maximum of 76 degrees
on both days...setting new record highs for each day.
In 1995...hurricane force downslope winds whipped across the
Front Range foothills overnight. The National Center for
Atmospheric Research in Boulder registered a peak wind
gust to 124 mph with several more wind gusts over 100 mph.
Utility poles and power lines were downed...leaving several
hundred homes in Boulder without power. Windows were blown
out of cars in Boulder. Other reports of strong wind gusts
included: 108 mph atop Squaw Mountain west of Denver...104
mph at Table Mesa in Boulder...99 mph at Golden Gate Canyon...
85 mph at the Rocky Flats Environmental Technology Site...
69 mph at Jefferson County Airport near Broomfield...and
62 mph in Lakewood. West-northwest wind gusts to 40 mph
were recorded at Denver International Airport on the 12th.
11-14 In 1970...heavy snowfall totaled 7.2 inches at Stapleton
International Airport where northeast winds gusted
to 22 mph on the 12th and 14th. Most of the snow...
4.2 inches...fell on the 12th.
12 In 1894...northeast winds were sustained to 42 mph with
gusts to 48 mph behind an apparent dry cold front.
In 1903...west winds sustained to 40 mph with gusts to
45 mph warmed the temperature to a high of 57 degrees.
A trace of snow was observed.
In 1922...heavy snowfall of 8.5 inches was measured over
In 1974...strong winds gusting to over 80 mph caused local
damage to houses and property along the foothills from
Denver north. Automobiles...homes...and power lines
suffered damage in Boulder. West winds gusted to 41 mph
at Stapleton International Airport.
12-13 In 1961...heavy snowfall totaled 5.6 inches at Stapleton
Airport. East-northeast winds gusted to only 20 mph.
In 2011...hurricane force winds...up to 115 mph...downed trees
in and power lines across the Front Range Mountains and
Foothills. Scattered outages were reported in Gilpin
County. In Boulder...a woman received minor injuries when
she was struck in the head by a falling tree limb. Three
women near Georgetown received minor injuries when they
were pelted by glass shards after a barrage of wind driven
rocks and dirt shattered their windshield. Peak wind gusts
included: 109 mph...6 miles north-northwest of Berthoud
Pass; 101 mph atop Kenosha Pass...100 mph...2 miles south-
southwest of Loveland Pass; 99 mph...7 miles west-northwest
of Berthoud; 92 mph at Blackhawk; 90 mph...3 miles south-
southwest of Boulder; 87 mph...2 miles west-northwest of
Aspen Springs and at Pickle Gulch; 84 mph at Loveland Pass
and Lyons; 82 mph at the National Wind Technology Center;
80 mph at Dumont and 78 mph near Rollinsville and Ward.
At Denver International Airport...west winds gusted to
52 mph on the 12th.
12-15 In 1909...light snowfall totaled 6.7 inches in downtown
Denver over the 4 days. This was the first measurable
snowfall of the season. Northeast winds were sustained
to 15 mph on the 12th.