Public Information Statement
Issued by NWS Denver/Boulder, CO
NOUS45 KBOU 090859
Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT SUN APR 9 2017
...Today in metro Denver weather history...
7-9 In 1913...heavy snowfall totaled 10.9 inches in downtown Denver
behind a cold front. Most of the snow fell on the 8th.
Northeast winds were sustained to 35 mph with gusts to 38
mph on the 9th.
In 1935...moderate dust blew into the city around 9:00 PM on
the 7th and persisted until early afternoon on the 9th.
Southeast winds were sustained to around 20 mph on the 7th
and 8th. Winds shifting to the west at sustained speeds
to 20 mph cleared the dust from the air on the 9th.
7-12 In 1959...snow falling over a 5-day period totaled 20 to 30
inches just east of the mountains...while over the plains
blizzard conditions closed schools and blocked highways.
The second big storm in two weeks dumped 16.4 inches of
snowfall on Stapleton Airport with the most...11.6 inches...
occurring on the 8th. East winds gusted to 37 mph on the
9th. Temperatures dipped into the single digits on the
mornings of the 7th and 12th when 7 degrees were
registered. The cold temperatures caused streets to
glaze with ice...resulting in the death of a pedestrian
who was struck by a car in Denver. Three people died from
heart attacks while shoveling the heavy...wet snow.
8-9 In 2013...heavy snow developed in and near the Front Range
Foothills and Palmer Divide as an upper level trough made
its way across southern Colorado. Snowfall was enhanced
locally with the presence of an upper level jet. Storm
totals included: 23 inches near Eldorado Springs...18
inches just west of Boulder...16.5 inches near Orodell...15
inches...4 miles west-northwest of Boulder; 13 inches at
Gold Hill; 12 inches at the National Weather Service
Office in Boulder...11 inches in Ken Caryl; 8.5 inches near
Morrison; 8 inches at Genesee and Roxborough Park; 7.5
inches near Arapahoe Park; with 6.5 inches at Denver
8-10 In 1999...a windstorm caused 20 million dollars in damage
along the Front Range Urban Corridor from Fort Collins
south to Pueblo and to the east over the plains...making
the storm equal to the costliest windstorm ever...which
occurred in Boulder on January 17...1982. In metro Denver...
several homes were damaged as shingles were blown off roofs.
Large pieces of a roof torn off a strip mall in Lakewood
damaged several cars in a parking lot. Most of the damage
to homes consisted of broken fences...awnings...doors...and
windows. Scores of automobiles suffered broken or cracked
windshields and paint damage from flying debris. Multiple
accidents were triggered as several tractor-trailer rigs
were blown on their sides by the strong cross-winds.
Blowing dust and dirt caused near zero visibilities at
times. Both I-25 and I-76 were closed north and northeast
of Denver. State Highway 93 was closed between Golden and
Boulder. Several trees...power poles...and power lines were
downed...causing a number of outages as well as sparking a
few small grass fires. Highest wind gusts reached 112 mph
atop Niwot Ridge near the Continental Divide west of
Boulder...102 mph at Wondervu...100 mph at the National Center
for Atmospheric Research Mesa Lab in Boulder...98 mph at the
National Wind Technology Center near Broomfield...96 mph on
Rocky Flats...92 mph at Jefferson County Airport near
Broomfield and on the University of Colorado campus in
Boulder...and 90 mph at Highlands Ranch in southwest metro
Denver. Winds gusted to 48 mph at Denver International
9 In 1950...strong southwest winds gusting to 58 mph reduced the
visibility to 1 mile in blowing dust at Stapleton Airport.
Scattered minor wind damage...consisting of falling tree
branches and damage to signs...occurred across metro Denver.
In 1989...6 to 12 inches of snow fell at many locations in the
Front Range foothills. Boulder received 6 to 8 inches.
Five inches (5.0 inches) of snow fell at Stapleton
International Airport...causing 2 hour flight delays.
I-25 south of Denver was closed for 4 hours due to a 100-
car traffic pileup. North winds gusted to 33 mph at
Stapleton International Airport where the maximum snow
depth on the ground was only 3 inches due to melting.
9-10 In 1900...rain changed to heavy snow and totaled 6.8 inches
in downtown Denver overnight. A thunderstorm occurred
on the 9th. North winds were sustained to 32 mph with
gusts to 38 mph on the 10th. Precipitation totaled
In 1933...post-frontal heavy snowfall totaled 9.4 inches
in downtown Denver. East winds were sustained to 21 mph
with gusts to 22 mph on the 9th.
In 1944...7.0 inches of snow fell on downtown Denver.
Northeast winds were sustained to 24 mph on the 9th.
In 1977...the two warmest days of the month resulted in two
temperature records being set. High temperature of 81
degrees on the 9th set a new record maximum for the date.
High temperature of 80 degrees on the 10th equaled the
record maximum for the date. The unusually warm weather
for so early in April produced a late afternoon
thunderstorm on the 10th.
In 1993...strong downslope winds occurred along the Front
Range. While the strongest winds were in the foothills
north of Denver...wind gusts to 69 mph were recorded at
Jefferson County Airport in Broomfield. Northwest winds
gusted to 39 mph at Stapleton International Airport.
In 2004...a spring storm brought heavy snow to metro Denver.
The heaviest snow fell in the foothills and over and near
higher terrain. Snowfall totals included: 20 inches
near Jamestown; 18 inches atop Gold Hill; 17 inches near
Evergreen; 15 inches at Nederland and Eldora; 13 inches
at Blackhawk; 11 inches at Aspen Springs; 9 inches in
Louisville; 8 inches at Ken Caryl; 6 inches at Niwot...
near Sedalia...and in Thornton; 5 inches in Lakewood...
Lyons...and Westminster. Snowfall was 4.4 inches at
Denver Stapleton. Northwest winds gusted to 21 mph
at Denver International Airport.
In 2008...A very moist storm brought heavy snow to parts
of the Front Range Foothills. Storm totals included:
12.5 inches at Aspen Springs...11 inches just southwest
of Conifer; with 10.5 inches near Central City and
6 miles southwest of Evergreen. Lesser amounts of 5
to 9 inches were observed elsewhere. North winds
gusted to 43 mph at Denver International Airport on the
10th...and 1.8 inches of snow fell at the former Stapleton
9-11 In 1951...heavy snowfall totaled 9.4 inches at Stapleton
Airport. The storm was accompanied by strong northeast
winds gusting to 43 mph.
In 1953...heavy snowfall occurred at Stapleton Airport where
7.9 inches of snow were measured. North winds gusted to
In 1994...6 to 14 inches of heavy snow buried much of eastern
Colorado...closing many schools and I-70 from east of Denver
to the Kansas border. Rain changed to snow on the 9th...and
snow continued through the 11th. Snowfall totaled 5.7
inches at Stapleton International Airport...but maximum
snow depth on the ground was only 3 inches on the 10th due
to melting. East winds gusted to 26 mph on the 9th.
In 1995...a major spring storm dumped 8 to 16 inches of snow
in the foothills west of Denver. Snowfall totaled 8.3
inches at the site of the former Stapleton International
Airport...but most of the snow melted as it fell with the
maximum snow depth on the ground of only 2 inches. Five-to
6-inch snow accumulations occurred over southern portions
of metro Denver and eastward onto the plains. Northeast
winds gusted to 36 mph at Denver International Airport on
the 10th. I-70 was closed for several hours east of
Watkins to the Kansas border due to drifting snow and near
whiteout conditions. High temperature of only 29 degrees
on the 10th was a record low maximum for the date.
9-12 In 1901...rain changed to snow and totaled 10.8 inches in
downtown Denver over the 4 days. Northeast winds were
sustained to 28 mph with gusts to 31 mph on the 11th.
Temperatures hovered in the 30`s.