Public Information Statement
Issued by NWS Denver/Boulder, CO

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COZ030>051-262300-

Public Information Statement
National Weather Service Denver/Boulder CO
645 PM MST SAT FEB 25 2017

...This week in metro Denver weather history...

22-29 In 1960...heavy snowfall of 6.1 inches at Stapleton Airport on
        the 22nd and 23rd marked the beginning of a protracted cold
        spell which lasted until the end of the month.  The cloudy...
        cold weather was accompanied by occasional light snow or
        flurries and fog.  New record low temperatures for the dates
        were set on the 24th thru the 29th with the lowest
        temperature of 11 degrees below zero on the 28th.  The
        seven consecutive days of low temperatures of zero or below
        had been exceeded in duration only 4 times previously.  New
        low maximum temperatures for the dates were set on the 23rd...
        24th...and the 26th thru the 29th with the lowest maximum
        temperature of 8 degrees recorded on the 26th.
25-26 In 1971...a wind gust to 100 mph was recorded in Boulder at
        the National Center for Atmospheric Research.  The cold
        west winds gusted to 53 mph in downtown Boulder.  No damage
        was reported.  Northwest winds gusted to 31 mph on the
        25th and to 38 mph on the 26th at Stapleton International
        Airport.
      In 1984...a heavy snow storm left 1 to 2 feet of new snow in
        the foothills west of Denver.  I-70 was closed...stranding
        skiers returning from the mountains.  Most had to spend
        several hours in Idaho Springs.  The snow spread over metro
        Denver with 9 inches at Littleton...Castle Rock...and Boulder
        and up to 5 inches in Aurora and Denver.  Snowfall totaled
        only 3.6 inches at Stapleton International Airport where
        north winds gusted to 31 mph.
26    In 1884...heavy snowfall totaled 6.0 inches in downtown
        Denver.
      In 1908...a duststorm occurred in the city during the
        afternoon.  Northwest winds were sustained from 14 to
        24 mph.
      In 1918...pre-frontal chinook winds from the southwest...
        sustained to 43 mph with a maximum velocity to 52 mph...
        warmed temperatures to a high of 62 degrees.
      In 1954...strong chinook winds gusting to 52 mph during
        the morning warmed the temperature in Denver to a balmy 65
        degrees by early afternoon.  A vigorous Canadian cold front
        during the late afternoon produced north winds at sustained
        speeds of 52 mph with gusts as high as 65 mph and billows
        of blowing dust...which reduced the visibility to as low as
        1 mile at Stapleton Airport.  Showers left half an inch of
        snow on the ground as the temperature dipped to a low of
        27 degrees before midnight.
      In 1989...a brief rain shower produced a microburst wind gust
        to 51 mph at Stapleton International Airport.
      In 1997...snowfall totaled 4 to 6 inches in and near the
        foothills.  Only 0.8 inch of snow fell at the site of
        the former Stapleton International Airport.  Northeast
        winds gusted to 29 mph at Denver International Airport.
      In 2013...a storm system produced heavy snow in the Front
        Range Foothills. Storm totals included: 12 inches near
        Black Mountain and Pine Junction...10 inches near Conifer
        and Nederland; 9 inches...12 miles northwest of Golden; 8
        inches near Evergreen...with 6 inches near Eldorado Springs.
        Snow and blowing snow produced blizzard conditions along
        and south of the Interstate 70 corridor...just east of
        Denver.  Storm totals generally ranged from 3 to 7 inches.
        North winds of 25 to 30 mph were reported with gusts around
        40 mph. Roads became impassable as snow and blowing snow
        produced 3 to 4 ft snow drifts. Interstate 70 was closed
        from Aurora to the Kansas state line. At Denver
        International Airport...a peak wind gust to 31 mph was
        reported along with 1.0 inch of snow.
26-27 In 1893...heavy snowfall totaled 7.9 inches in downtown
        Denver.  Most of the snow...6.7 inches...fell on the 27th.
        Northeast winds were sustained to 18 mph with gusts to
        30 mph behind an apparent cold front.
      In 1939...heavy snowfall of 8.1 inches was the heaviest of
        the month in downtown Denver.  North winds sustained to
        21 mph on the 26th and to 28 mph on the 27th caused much
        drifting.  The greatest snow depth on the ground was 7.8
        inches at noon on the 27th.
      In 1987...a snowstorm dropped 4 to 8 inches of snow across
        metro Denver...causing flight delays at Stapleton
        International Airport where snowfall totaled 3.8 inches
        and north winds gusted to 24 mph.  Both I-70 and I-25
        were closed for a time to the east and south of Denver.
27    In 1896...northwest winds were sustained to 46 mph with
        gusts to 58 mph.
      In 1902...northwest winds were sustained to 50 mph with
        gusts as high as 60 mph.  The high temperature was
        44 degrees.
      In 1918...a post-frontal heavy snow storm developed over
        downtown Denver.  Snowfall totaled 8.4 inches and
        north winds were sustained to 30 mph with a maximum
        velocity to 32 mph.
      In 1963...west winds gusted to 55 mph at Stapleton Airport.
      In 1974...a wind gust to 99 mph was recorded in Boulder.
        West winds gusted to 43 mph at Stapleton International
        Airport.
      In 2009...a strong wind gusts blew a trailer in the path of
        two vehicles along State Highway 36...between Boulder and
        Lyons.  The two vehiles were in the northbound lane when
        a wind gust blew a fifth-wheel trailer into their path...
        as it approached from the opposite lane.  The trailer
        left the road surface...and collided with the top left
        side of the first car; causing extensive damage.  A van
        following the first vehicle then struck the trailer.
        The driver of the van suffered facial injuries.
27-28 In 1918...heavy snowfall totaled 9.6 inches in downtown
        Denver.  Most of the snow...8.4 inches...fell on the 27th.
      In 1931...a major winter storm dumped 12.0 inches of heavy
        snowfall over downtown Denver.  This is the greatest 24
        hour snowfall ever recorded during the month of February.
        North winds gusted to 18 mph on the 28th.
      In 2006...a warm spell resulted in 3 temperature records.
        The high temperature of 73 degrees on the 27th equaled
        the record high for the date.  High temperature of 77
        degrees on the 28th was a record high for the date
        and equaled the all time record high temperature for
        February first set on February 4...1890.
28    In 1896...northwest winds were sustained to 54 mph with
        gusts to 65 mph.  The winds warmed the temperature to
        a high of 56 degrees.  This was the second consecutive
        day of strong winds in the city.
      In 1958...at Stapleton Airport...snowfall totaled 5.3 inches
        and northeast winds gusted to 24 mph.
28-29 In 2012...another round of high winds occurred along the
        Front Range Foothills. Peak wind gusts included: 84 mph
        at the National Wind Technology Center; 77 mph...3 miles
        south-southwest of Boulder; and 75 mph...3 miles southwest
        of Rocky Flats.  At Denver International Airport...west
        winds gusted to 36 mph on the 28th and 35 mph on the
        29th.
28-1  In 1875...6 inches of snow fell from 3:15 PM on the 28th to
        1:00 AM on the 1st.  Precipitation for the two days was
        0.50 inch.
29    In 1896...southwest winds were sustained to 41 mph with gusts
        to 60 mph.  This was the third consecutive day that strong
        winds occurred in the city.
      In 1992...chinook winds gusted to only 25 mph at Stapleton
        International Airport...but warmed the temperature to a high
        of 70 degrees...which equaled the record for the date first
        set in 1940.
      In 2004...only light snow fell across metro Denver...while a
        blizzard raged across northeast Colorado.  Both I-70 and
        I-76 were closed to the east of Denver by winds gusting to
        60 mph producing drifting snow to depths of 2 to 6 feet.
        Snowfall was only 1.6 inches at the Denver Stapleton site.
        North winds gusted to 41 mph at Denver International Airport.
29-1  In 1896...snowfall totaled 5.5 inches in the city.  Northeast
        winds gusted to 24 mph.
      In 1948...snowfall totaled 5.9 inches in downtown Denver.
        North winds were sustained to 15 mph.
1     In 1904...west winds were sustained to 42 mph with gusts as
        high as 58 mph.  The chinook winds warmed the temperature
        to a high of 67 degrees.
      In 1906...snowfall was heavy and totaled 7.5 inches over
        downtown Denver.  Northeast winds were sustained to
        37 mph.
      In 1940...snowfall was heavy and totaled 7.7 inches in
        downtown Denver.
      In 1943...6.0 inches of snow fell over downtown Denver.
        North winds were sustained to 19 mph.
      In 1956...west-northwest wind gusts to 52 mph were recorded
        at Stapleton Airport.
      In 1961...a wind gust to 65 mph was recorded at the Colorado
        Building in downtown Boulder.  The high winds caused some
        minor damage.  Northwest winds gusted to 43 mph at
        Stapleton International Airport.
      In 1974...a wind gust to 77 mph was recorded in Boulder.
        Southwest winds gusted to 37 mph at Stapleton
        International Airport.
      In 2002...upslope conditions caused heavy snow to develop in
        and near the eastern foothills.  Snow totals included 14
        inches at Eldorado Springs and near Genesee; 13 inches
        atop Lookout Mountain; 12 inches in Coal Creek Canyon; 10
        inches in Nederland and just east of Boulder; 9 inches in
        Boulder and Morrison; and 8 inches at Broomfield...Erie...
        Golden...Louisville...and Littleton.  Snowfall totaled 6.5
        inches at the site of the former Stapleton International
        Airport.  Northeast winds gusted to 31 mph at Denver
        International Airport.
      In 2014...a localized band of heavy snow over downtown Denver
        produced around one inch in less than 30 minutes and
        contributed to a chain of accidents in the northbound lanes
        of Interstate 25...between Logan Street and University Blvd.
        The combination of excessive speed and very poor driving
        conditions led the chain reaction; it involved 104 vehicles
        and resulted in one death along with 30 injuries. The
        interstate was closed for approximately 5 hours.  At Denver
        International Airport...1 inch of snow was observed.
1-2   In 1969...heavy snowfall totaled 7.0 inches at Stapleton
        International Airport where north-northwest winds
        gusted to 18 mph.
      In 1988...3 to 6 inches of snow fell over metro Denver.
        Snowfall totaled 3.2 inches at Stapleton International
        Airport where north winds gusted to 32 mph.
      In 2003...localized heavy snow developed in the foothills
        of Jefferson County.  Storm totals included:  12.5 inches
        near Conifer...11 inches in the foothills southwest of
        Boulder...and 10 inches near Genesee.  Only 0.9 inch of
        snow fell at the site of the former Stapleton
        International Airport.
2     In 1904...west winds sustained to 52 mph with gusts to
        60 mph warmed the temperature to a high of 68 degrees.
        Snowfall was 0.4 inch in the evening.
      In 2008...a storm system brought heavy snow to portions of
        the Front Range Foothills; as well as localized blizzard
        conditions to areas along the Palmer Divide.  In the
        foothills of Jefferson and Park Counties storm totals
        included:  16 inches at Genesee...14 inches...4 miles south
        of Evergreen; 13 inches...3 miles southeast of Pinecliffe;
        12 inches...5 miles west-southwest of Conifer; 10 inches
        at Evergreen and 5 miles west of Littleton.
        Along the Palmer Divide...south and southeast of Denver...
        the combination of gusty northerly winds and snow caused
        localized blizzards.  Storm totals included:  7 inches...
        2 miles east of Castle Rock; 6 inches...4 miles east of
        Parker and 2 miles northwest of Elizabeth; and 5 inches
        near Castle Pines.  The wind...gusting to 35 mph...stirred
        up snow drifts from 1 to 3 feet in depth.  Northeast winds
        gusted up to 49 mph at Denver International Airport; and
        2.0 inches of snow was observed at the former Stapleton
        International Airport.
2-3   In 1901...strong northwest winds raked the city for 2 days.
        On the 2nd...winds were sustained to 55 mph with gusts to
        62 mph.  The chinook winds warmed the temperature to a
        high of 72 degrees...a record maximum for the date.  On
        the 3rd...winds were sustained to 61 mph with gusts as
        high as 65 mph.  The high temperature was 59 degrees.
      In 1964...heavy snowfall of 6.3 inches was measured at
        Stapleton International Airport.  East winds gusted to
        only 20 mph behind a cold front.
      In 1978...5.0 inches of snowfall were measured at Stapleton
        International Airport where northeast winds gusted to 24
        mph on the 2nd.  The passage of a cold Canadian front kept
        temperatures only in the teens and 20`s on the 2nd after
        a high temperature of 33 degrees shortly after midnight.
        The temperature...after a morning low of 3 degrees below
        zero...climbed to only 14 degrees on the 3rd...setting
        a record low maximum for the date.
2-4   In 1963...heavy wet snow was accompanied by strong gusty winds
        across metro Denver.  Snowfall totaled 11.6 inches at
        Stapleton Airport where north winds gusting to 44 mph
        caused much blowing and drifting snow.  Hazardous driving
        conditions resulted in many traffic accidents.
      In 1976...snowfall totaled 8.0 inches at Stapleton
        International Airport where...on the 4th...northeast winds
        gusted to 31 mph reducing the visibility to as low as 1/4
        mile.  Maximum snow depth on the ground was 7 inches.  Nine
        inches of snow were measured in Boulder.
3     In 1875...six inches of snow fell in Georgetown.
      In 1895...northwest bora winds were sustained to 45 mph with
        gusts to 58 mph in the city.
      In 1966...cold northwest wind gusts of 50 to 90 mph
        occurred across metro Denver.  Both cars and trucks
        were blown off an icy highway just east of Denver
        where some highways were closed by either blowing dust or
        blowing snow.  A northwest wind gust to 43 mph was recorded
        at Stapleton International Airport.  The strong winds
        caused limited minor damage.
      In 1972...winds gusted to 55 mph in Boulder causing no
        reported damage.  West winds gusted to 49 mph at
        Stapleton International Airport.
      In 1985...snow struck metro Denver.  Heaviest hit was Boulder
        where 6 to 8 inches were measured.  Icy roads caused the
        closure of I-25 north and south of Denver due to traffic
        accidents.  The snow also caused long delays at Stapleton
        International Airport where snowfall totaled only 2.6
        inches.
      In 1997...west winds gusted to 52 mph at Denver International
        Airport.
3-4   In 1932...a dust storm occurred on the 3rd during the late
        afternoon.  North winds gusting as high as 38 mph behind
        a cold front kicked up much blowing dust.  Light snow
        developed during the evening and continued through the
        early morning of the 4th.  Snowfall totaled 2.7 inches.
      In 1934...strong winds raked Boulder.  A wind gust to 62 mph
        was recorded at Valmont just east of Boulder.  The strong
        winds caused hundreds of dollars of damage in Boulder.
      In 1981...the most vigorous snow storm of the season struck
        the state...closing many schools and most highways
        connecting Denver...Colorado Springs...and Limon.  North
        winds gusting to 43 mph whipped nearly 10 inches of snow
        in Denver into 3-foot drifts and snarled traffic on the
        morning of the the 4th.  Snowfall totaled 9.8 inches at
        Stapleton International Airport.
      In 1989...a storm dumped 2 to 6 inches of snow across metro
        Denver.  The snow caused 2-hour air traffic delays at
        Stapleton International Airport where 3.0 inches of snow
        fell and north winds gusted to 23 mph on the 3rd.  There
        were many traffic accidents across metro Denver.  I-70 was
        closed east of Denver for a time on the 3rd.
      In 1991...high winds raked the eastern foothills.  Wind gusts
        of 60 to 90 mph were common with 119 mph recorded at
        Wondervu southwest of Boulder...106 mph on Shanahan Ridge
        and 92 mph at Table Mesa...both in southwest Boulder.
        Several trees were uprooted and traffic signs and lights
        blown over.  Flying debris caused damage to homes...
        buildings...and cars.  In Boulder...a stop sign was blown
        onto a car.  There were no reports of injuries.  Southwest
        winds gusting as high as 48 mph briefly reduced the
        prevailing visibility to as low as 1/16th mile in blowing
        dust at Stapleton International Airport on the 4th.
3-5   In 1961...snowfall totaled 8.3 inches at Stapleton Airport
        over the 3-day period with most of the snow...4.4 inches...
        falling on the 3rd.  Winds were generally light gusting to
        only 23 mph.
4     In 1887...snowfall was only 0.1 inch.  This was the earliest
        last measurable snow of the season.
      In 1971...a wind gust to 102 mph was recorded at the National
        Center for Atmospheric Research in Boulder.  A wind gust to
        83 mph was measured at the National Bureau of Standards.
        In downtown Boulder...sustained winds reached 35 mph with
        gusts as high as 57 mph.  No significant damage was
        reported.  West winds gusted to only 28 mph at Stapleton
        International Airport.
      In 1982...brief heavy snow accompanied by a few thunderstorms
        struck metro Denver.  Lightning struck a house in Arvada
        setting it afire.  The thunderstorm produced 5 inches of
        snowfall in a 2-hour period in Wheat Ridge.  The snow
        made roads very icy and slick causing a 59-car pile-up on
        I-70 in north Denver.  Snowfall with thunder totaled only
        1.3 inches at Stapleton International Airport.
      In 1997...a fast moving Pacific storm produced heavy snow
        in the foothills.  Snowfall at Conifer measured 9 inches.
        Only light snow fell elsewhere over metro Denver.  Snowfall
        totaled only 1.2 inches at the site of the former Stapleton
        International Airport.  North northeast winds gusted to
        28 mph at Denver International Airport.
4-5   In 1971...heavy post-frontal snowfall totaled 7.7 inches at
        Stapleton International Airport where north winds gusted
        to 28 mph.
      In 1992...snow spread from the mountains into the eastern
        foothills where 19 inches fell in Coal Creek Canyon.
        Rain fell over lower elevations of metro Denver with
        1.12 inches of precipitation recorded at Stapleton
        International Airport and only one half inch of snow.
        North winds gusted to 32 mph.
      In 2004...snowfall totaled 1.8 inches at the Denver
        Stapleton site.  This was the only measurable snowfall
        of the month.  Northeast winds gusted to 29 mph at
        Denver International Airport.
4-6   In 1931...a cold front with north winds gusting to 35 mph
        on the evening of the 4th brought snowfall on the 5th
        into the early morning of the 6th.  Heavy snowfall
        totaled 6.2 inches.  Temperatures plunged from a high
        of 58 degrees on the 4th to a low of only 22 degrees
        by midnight...which was also the high reading on the
        5th.
      In 1983...a slow moving moisture laden storm produced heavy
        snow and rain.  Two to three feet of snow fell in the
        foothills at Wondervu and Nederland.  The southern portion
        of metro Denver was buried with 26 inches of snow in
        southeast Aurora...25 inches at Franktown...and 19 inches
        at Littleton.  Snowfall totaled 18.7 inches at Stapleton
        International Airport with most of the snow...18.0 inches...
        falling on the 5th.  Brighton received only 11 inches
        of new snow.  Boulder was drenched by rain and received
        no snow.  Precipitation from the storm totaled 3.06
        inches at Stapleton International Airport where north
        winds gusted to 28 mph.  The heavy wet snow snapped many
        tree limbs...which fell on power and phone lines causing
        many outages.  Numerous highways were closed.  Two thousand
        travelers were stranded at Stapleton International
        Airport where only one runway was open for a time.  Many
        flights were canceled.  One home in Denver was severely
        damaged when its roof collapsed under the weight of the
        heavy snow.  The 2.68 inches of precipitation on the 5th
        was the greatest calendar day precipitation ever recorded
        in the city during March.  The 2.79 inches of precipitation
        on the 4th and 5th was the greatest 24 hour precipitation
        ever measured during March.

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