Public Information Statement
Issued by NWS Denver/Boulder, CO
NOUS45 KBOU 060045
Public Information Statement
National Weather Service Denver/Boulder CO
645 PM MDT SAT NOV 5 2016
...This week in metro Denver weather history...
5-6 In 1938...heavy snowfall totaled 7.5 inches over downtown
Denver. North winds were sustained to 16 mph with gusts
to 19 mph on the 5th.
5-7 In 1918...rain was mixed with and changed to snow...which
became heavy and totaled 8.1 inches in downtown Denver.
North winds were sustained to 21 mph with gusts to 23 mph.
6 In 1962...west winds gusted to 55 mph...briefly reducing the
visibility to 1 1/2 miles in blowing dust at Stapleton
Airport. The strong winds blew all day.
In 1989...high winds to 62 mph were recorded in Boulder.
Northwest winds gusted to 33 mph at Stapleton International
In 1991...strong westerly chinook winds blew into metro Denver
with gusts to 88 mph recorded at Rollinsville and to 51 mph
in Boulder. Later...northeast winds with gusts of 30 to 40
mph were common across all of metro Denver behind a cold
front...which produced only 0.2 inch of snowfall at
Stapleton International Airport.
7 In 1958...a strong cold front produced northeast wind gusts
to 52 mph at Stapleton Airport where some blowing dust
In 1980...chinook winds at sustained speeds of 40 mph were
recorded with a peak gust to 71 mph measured at Wondervu
southwest of Boulder. West winds gusted to 25 mph at
Stapleton International Airport.
In 1989...strong winds buffeted many foothills areas. Wind
gusts of 60 to 70 mph were recorded in Boulder and
Longmont. Northwest winds gusted to 43 mph at Stapleton
In 1996...wind gusts to 75 mph were recorded at Golden Gate
Canyon and at the Rocky Flats Environmental Test Facility
northwest of Denver. Northwest winds gusted to 40 mph at
Denver International Airport.
In 1998...upslope conditions...coupled with a moist and
unstable air mass...allowed heavy snow to develop
in the foothills west of Denver. Snowfall generally
ranged from 4 to 6 inches...but 7 inches were measured
4 miles south of Evergreen. Only 1.2 inches of snow
fell at the site of the former Stapleton International
Airport. This was the first measurable snow of the
7-8 In 1969...wind gusts to 48 mph in downtown Boulder caused
8 In 1896...southwest chinook winds sustained to 42 mph with
gusts as high as 46 mph warmed the temperature to a high
of 53 degrees.
In 1977 near-blizzard conditions in blowing snow caused the
closure of I-70 to the west of Denver in Clear Creek Canyon
and east of Denver to Limon. Northeast wind gusts to 46 mph
were recorded at Stapleton International Airport where
snowfall totaled only 1.1 inches.
In 1984...a rare November thunderstorm produced west winds
gusting to 31 mph...but only 0.04 inch of rain at
Stapleton International Airport.
In 1996...high winds gusting from 80 to 100 mph were recorded
at Wondervu in the foothills southwest of Boulder. West
northwest winds gusted to 32 mph at Denver International
In 2006...the temperature in Denver climbed to a high of 80
degrees. This was the first time the temperature had ever
exceeded the 70`s in November since records began in 1872.
This new all-time record maximum temperature for the month
of November was also a new daily record and the highest
temperature ever recorded so late in the season.
8-9 In 1897...west winds were sustained to 45 mph with gusts
as high as 50 mph in the city.
In 1919...post-frontal heavy snowfall totaled 8.4 inches over
downtown Denver. Most of the snow...6.6 inches...fell on the
9th. North winds were sustained to 26 mph with gusts to
30 mph on the 8th.
In 1950...a major winter storm dumped 10.4 inches of snow at
Stapleton Airport with the most snow...7.8 inches...falling
on the 8th. East winds gusted to 31 mph at Stapleton
Airport on the 8th. Snowfall totaled 8.2 inches in
In 1958...strong winds caused some damage in Boulder. West-
northwest winds gusted to 40 mph at Stapleton Airport on
In 1975...heavy snowfall hit metro Denver. Snowfall at
Stapleton International Airport totaled 8.0 inches and
east winds gusted to 21 mph. Power outages caused by the
storm affected over 10 thousand people in metro Denver. In
the foothills west of Denver...10 to 15 inches of snow fell.
The storm produced the greatest 24-hour precipitation...1.29
inches...ever recorded during the month of November in the
In 1983...metro Denver received 4 to 8 inches of snow with the
heaviest amounts near the foothills. It was the first
measurable snow of the season in Denver. Only 1.8 inches of
snow fell at Stapleton International Airport where north
winds gusted to 20 mph.
In 1989...strong winds hit the Front Range. On the 9th...the
wooden frame of a house under construction in Boulder was
blown down. The previous evening a power outage blackened
Nederland. Wind gusts to 95 mph were recorded 4 miles
south of Rollinsville with 97 mph on Fritz Peak near that
town. At Stapleton International Airport...northwest winds
gusted to 45 mph on the 8th and to 38 mph on the 9th.
In 1998...another upslope snow event developed in the Front
Range foothills. The heaviest snowfall occurred in west
central Jefferson County where 14 inches were measured
8 miles west of Conifer. Other snowfall totals included:
10 inches at Evergreen and 9 miles northwest of Bergen
Park; 9 inches at Genesee...Nederland...and near the Chief
Hosa exit on I-70; and 8 inches in Coal Creek Canyon. On
the 9th...snowfall was 2.6 inches at the site of the former
Stapleton International Airport. North-northeast winds
gusted to 30 mph at Denver International Airport on the 9th.
8-10 In 1985...Indian summer came to an abrupt end when a winter
storm dumped 10 to 18 inches of snow in the Front Range
foothills and 6 to 10 inches across metro Denver...snarling
traffic and causing flight delays of up to 3 hours at
Stapleton International Airport. The temperature plunged
from a high of 66 degrees on the 8th to a low of only 13
degrees on the 9th...after the passage of a vigorous cold
front with northeast winds gusting to 32 mph. The
temperature climbed to only 19 degrees on the 10th...setting
a record low maximum for the date. Snowfall totaled 7.3
inches at Stapleton International Airport with most of the
snow...7.1 inches...falling on the 9th.
9 In 1939...a trace of snow fell over downtown Denver. This
snow...along with a trace of snow on the 2nd...was the only
snow of the month...ranking it...along with other months...the
second least snowiest November on record. Precipitation of
0.01 inch was the only precipitation of the month...making
this the second driest November on record.
In 1944...the first killing frost of the season occurred in
the city when the low temperature dipped to 35 degrees.
This is the latest date for a killing frost ever recorded
In 1946...heavy snowfall totaled 7.7 inches over downtown
Denver. This was the second heavy snowfall in less than
a week. Northwest winds were sustained to 26 mph.
In 1995...strong downslope winds gusted between 50 and 57 mph
at Erie and Boulder. West wind gusts to 44 mph were
recorded at Denver International Airport.
In 2014...a record high min of 45 degrees...broke the previous
record of 43 degrees set in 1934...and preceded several days
of record cold temperatures from the 11th through the 13th.
10 In 1897...west chinook winds sustained to 51 mph with gusts
to 60 mph warmed the temperature to a high of 64 degrees.
In 1915...southwest winds were sustained to 41 mph with gusts
as high as 44 mph.
In 1955...strong winds raked the eastern foothills. A wind
gust to 80 mph was recorded atop Rocky Flats south of
Boulder where some damage occurred.
In 1995...snowfall totaled 6 to 9 inches in the foothills
west of Denver...while only 2.2 inches of snow fell
at the site of the former Stapleton International Airport.
North-northeast winds gusted to 31 mph at Denver
In 1998...strong bora winds gusting from 70 to 92 mph coupled
with blowing snow created whiteout and slick black ice
conditions at the base of the foothills west of Denver.
State Highway 93 between Golden and Boulder and C-470...
near the Morrison interchange were closed for several
hours due to multiple car accidents. Dozens of motorists
were stranded until weather conditions improved. A small
motor home was a total loss when it caught fire after
being blown on its side by strong crosswinds. A man was
injured when he was blown off a vehicle while attempting
to rescue the occupants. Wind gusts included: 92 mph atop
Blue Mountain near Coal Creek Canyon...83 mph atop Fritz
Peak near Rollinsville...and 77 mph at Jefferson County
Airport near Broomfield. West winds gusted to 36 mph at
Denver International Airport.
In 2000...freezing drizzle was widespread across northeastern
Colorado with the heaviest amounts near the foothills in
the evening. The freezing drizzle made many highways icy
and slick...which contributed to a number of traffic
accidents. Some highways across metro Denver were closed
at times...including portions of State Highway 119 between
Boulder and Longmont and U.S. 36 between Westminster and
Boulder. State Highway 93 between Boulder and Golden atop
Rocky Flats became nearly impassable due to a coating of
ice by late evening.
10-11 In 1911...a strong cold front produced snow and a cold wave.
The temperature dropped 68 degrees from a high of 66 degrees
at 12:40 PM on the 10th to a low of 2 degrees below zero at
7:15 AM on the 11th. The low temperature of 23 degrees at
midnight on the 10th was also the high temperature on the
11th. Northeast winds were sustained to 42 mph with gusts
to 51 mph. Snowfall was only 2.5 inches.
In 1982...up to 4 inches of snow fell over the higher terrain
between Denver and Colorado Springs. Winds gusted to 50
mph along the foothills. Rainfall totaled 0.27 inch
with only 0.1 inch of snow on the 11th at Stapleton
International Airport where north winds gusted to 39 mph.
Dense fog with visibilities as low as zero persisted all day
on the 10th.
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 In 1901...a trace of rain fell in the morning...and a trace of
snow fell in the afternoon. This was the only snowfall and
precipitation for the month...ranking it the driest November
on record...along with November of 1899 and 1949. The month
also ranks as the second least snowiest November...along with
Novembers in other years.
In 1903...northwest winds sustained to 45 mph with gusts to
56 mph warmed the temperature to a high of 56 degrees.
In 1912...rain changed to snow...which became heavy...and totaled
6.5 inches over downtown Denver. Precipitation was 1.02
inches...the greatest calendar day precipitation ever recorded
in November. Northeast winds were sustained to 27 mph with
gusts to 29 mph.
In 1919...light snow fell from an apparent clear sky during the
early afternoon. The first snow was observed at about 12:40
PM and continued at least 30 minutes before clouds could be
seen forming...followed by the sky becoming totally cloudy.
During this time the temperature fell from 50 degrees at
noon to only 18 degrees at 100 PM and plunged to 6 degrees
at 5:45 PM. A low temperature of 2 degrees was recorded
overnight. Northeast winds were sustained to 33 mph with
gusts to 36 mph between noon and 1:00 PM behind an apparent
Arctic cold front. Snowfall was only 0.1 inch.
In 1949...north winds gusted to 50 mph at Stapleton Airport.
A trace of rain fell. Another trace of rain on the 15th was
the only precipitation of the month...making the month one of
the driest Novembers on record and the least snowiest with
no snow. This was the first November since 1882 without
In 1959...strong northwest winds struck Boulder and the
foothills causing some damage. West winds gusted to
37 mph at Stapleton Airport.
In 1995...strong downslope winds gusting to 84 mph blew out
a few car windows in Boulder County. Winds gusted to
69 mph at Golden...Lakewood...and Table Mesa in Boulder.
West-northwest winds gusted to 43 mph at Denver
In 2000...heavy snow occurred in the foothills southwest
of Denver and over Monument Ridge south of Denver.
Snowfall totals included: 6.5 inches near Parker...
6 inches near Bergen Park...5 inches at Genesee and
near Sedalia...and 4 inches at Coal Creek Canyon and
St. Mary`s Glacier. Snowfall totaled 1.6 inches at
the site of the former Stapleton International Airport.
In 2003...strong downslope winds developed along the Front
Range. Peak wind reports included 91 mph atop Blue
Mountain near Wondervu and 75 mph in Boulder.
Damaging winds downed power lines in Boulder County.
North of Golden...a semi-truck was blown over by the
winds near the intersection of State Highways 72 and 93
atop Rocky Flats. At the same location...blowing rocks
shattered several car windows at an RTD Park and Ride.
West winds gusted to 40 mph at Denver International
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.