Public Information Statement
Issued by NWS Denver/Boulder, CO
NOUS45 KBOU 180959
Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MST WED JAN 18 2017
...Today in metro Denver weather history...
14-21 In 1930...a protracted cold spell occurred when low temperatures
plunged below zero on 8 consecutive days. The coldest low
temperatures of 20 degrees below zero on the 17th and 19
degrees below zero on the 16th were record minimums for
the dates. High temperatures during the period ranged from
18 on the 18th to zero on the 20th. Two degrees on the
15th was a record low maximum temperature for the date.
15-23 In 1962...a protracted cold spell kept metro Denver in the
deep freeze for more than a week. From the 15th thru the
23rd...low temperatures were zero or below for 9 consecutive
days...but a daily record low was set only on the 22nd when
the temperature dipped to 14 degrees below zero. A record
low maximum for the date was also set on the 22nd when the
temperature climbed to only 11 degrees. The coldest high
temperature was 3 degrees above zero on the 21st...which did
not break the record. The protracted cold was broken for
only a few hours on the afternoon of the 20th when chinook
winds warmed the temperature to a high of 38 degrees before
another surge of cold Arctic air plunged temperatures
back into the deep freeze that evening. The severe cold
caused much damage to water systems. A woman was frozen to
death at Morrison. There were other deaths attributable to
the weather...including traffic deaths and heart attacks
16-18 In 1943...light snowfall totaled 3.2 inches over the 3 days.
This was the only measurable snow of the month. North
winds were sustained to 20 mph on the 16th.
In 2011...very strong winds associated with an upper level
jetstream over Colorado produced blizzard conditions in
the mountains above timberline. Peak wind gusts
included: 99 mph atop Loveland Pass...94 mph...2 miles
southwest of Mary Jane...80 mph atop Berthoud Pass and
79 mph atop Niwot Ridge. Storm totals in the ski areas
west of Denver ranged from 8 to 14 inches.
17-18 In 1974...rare overnight January rainfall totaled 0.12 inch
on the 17th and 0.26 inch on the 18th when it was
briefly mixed with snow.
In 2012...Damaging winds developed in and near the Front Range.
In Boulder...the high winds knocked down several trees...power
poles and electrical lines. Some of the fallen trees damaged
homes and automobiles. A semi-trailer was blown on its side
along State Highway 93 near Marshall. Peak wind gusts
included: 104 mph in south Boulder; 98 mph...3 miles
southwest of Pinecliffe; 95 mph...2 miles northwest of Rocky
Flats; 92 mph...at State Highway 93 near Marshall; 87 mph at
Berthoud Pass and in Boulder Canyon; 80 mph...5 miles west-
northwest of Boulder; 83 mph at NCAR Mesa Lab; 78 mph...8
miles northeast of Four Corners; 79 mph at the National Wind
Technology Center; 76 mph at Wondervu; 75 mph atop Loveland
Pass and the NCAR Foothills Lab in Boulder; 74 mph at Blue
Mountain...Boulder Municipal Airport...1 mile northwest of
Lyons; 73 mph...4 miles east-northeast of Nederland; 72 mph
at the Junction of State Highways 72 and 93; 62 mph in
Superior; and 61 mph at Erie Municipal Airport. A peak wind
gust of 38 mph from the northwest was observed at Denver
18 In 1874...light rain...rare in January...changed to snow
which totaled 3 inches.
In 1959...strong gusty winds caused damage to buildings...
airplanes...trees...and a radio tower in Boulder...
Broomfield...Denver...and Longmont. A wind gust to 70 mph
was recorded in Longmont. In Boulder...the top of a radio
tower was toppled and signs...trees...and trailer houses were
blown over. In southwest Denver...a mother and child were
injured when their car was struck by a sign that had blown
loose in the wind. Minor damage to buildings and power
lines was reported in the area. Northwest winds gusted
to 38 mph at Stapleton Airport. Post-frontal east
northeast winds gusted to 40 mph.
In 1961...northeast winds gusted to 29 mph and snowfall
totaled only 0.1 inch at Stapleton Airport...but 2 to 7
inches of snow fell in the foothills west of Denver.
In 1975...a strong cold front roared through metro Denver
producing north wind gusts to 52 mph and briefly reducing
the visibility at Stapleton International Airport to less
than 5/8 mile in blowing dust. The windstorm caused
considerable damage to utility lines...homes...fences...
commercial buildings...autos...and schools. Heaviest
damage was near the foothills where winds hit 80 mph
at Boulder and at Rocky Flats northwest of Denver.
The cold front caused temperatures to drop 13 degrees
in one hour. Temperatures fell from a maximum of 61
degrees in the early afternoon to a minimum of 31 degrees
In 1984...the coldest morning of the new year produced
record breaking temperatures with a low of 19 degrees
below zero for the date at Denver. Many other cities
also reported record cold.
In 1985...highs winds occurred in the foothills with gusts
reported to 60 mph at Evergreen. Northwest winds gusted
to 38 mph at Stapleton International Airport.
In 1986...wind gusts to 60 mph were reported in Boulder.
West winds gusted to 31 mph at Stapleton International
In 1999...damaging downslope winds caused problems in the
foothills. In Eldora...the roof was blown off an A-frame
house. Peak wind gusts included: 100 mph at Central
City...84 mph at Wondervu...77 mph atop Blue Mountain...
75 mph in Golden Gate Canyon...72 mph at the Rocky Flats
Environmental Test Facility...and 70 mph at the National
Center for Atmospheric Research Mesa Laboratory near
Boulder. West winds gusted to 36 mph and warmed
the temperature to a high of 63 degrees...the highest
reading of the month at Denver International Airport.
In 2006...high winds occurred in northern Jefferson and
southern Boulder counties. A peak wind gust to 81 mph
was recorded near Superior along with a gust to 80 mph
near Boulder. Five teenagers started a grassfire near
Plainview atop Rocky Flats. The high winds coupled
with very dry conditions allowed the fire to quickly
spread...forcing the evacuation of dozens of residents
and the closure of State Highways 93 and 72. The fire
consumed 2700 acres and destroyed two outbuildings. No
homes were damaged and no one was injured by the blaze.
West winds gusted to 30 mph at Denver International
18-19 In 1980...a slow moving storm deposited 4 to 10 inches of
snow across metro Denver with the greatest amounts in the
foothills. Flights were delayed 30 to 40 minutes at
Stapleton International Airport where snowfall totaled
5.5 inches and north winds gusted to 22 mph.
In 1988...a blizzard produced strong winds and heavy snow
across eastern Colorado. Ten-foot drifts were common and
many roads were closed including I-70...I-76...and I-25.
In the Denver area...4.0 inches of snow fell at Stapleton
International Airport where north winds gusting to 40 mph
reduced the visibility to 1/2 mile at times.
18-20 In 1958...snowfall totaled 6.9 inches at Stapleton Airport
where east-northeast winds gusted to 26 mph on the 18th.
18-24 In 2005...a week of mid-winter unseasonably warm weather
pushed high temperatures into the 60`s or more on all
but one day. During the period...the highest temperature
of 70 degrees on the 20th was a new record maximum for
the date. Low temperatures remained above freezing on
4 of the days.