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Public Information Statement

Statement as of 6:45 PM MDT on October 22, 2016

... This week in Metro Denver weather history...

18-23 in 2003... an extended warm spell resulted in 5 new temperature
        records. The high temperature of 84 degrees on the 18th
        equaled the record high for the date. High temperatures
        of 86 degrees on the 19th... 83 degrees on the 21st... and 84
        degrees on the 22nd were record highs for the dates. Low
        temperature of 49 degrees on the 23rd was a record high
        minimum for the date. Low temperatures during the period
        were in the 40's and lower 50's.
19-23 in 1906... heavy snowfall totaled 22.7 inches in the city over
        the 5 days. Rain changed to snow on the evening of the
        19th... and snow continued through the late afternoon of the
        23rd. The heaviest amount of snowfall... 16.0 inches... fell
        from 8:00 PM on the 20th to 8:00 PM on the 22nd. The most
        snow on the ground was 13.3 inches on the evening of the
        23rd. This was the first snow of the season and the only
        snow of the month. Winds during the storm were from the
        north at sustained speeds of 20 to 30 mph each day.
        Temperatures during the storm were generally in the 20's.
22-23 in 1914... Post-frontal rain changed to snow. Precipitation
        totaled 2.72 inches... most of which was in the form of
        moist snow which melted as it fell in the business
        section of the city. About 3 inches of snow was measured
        on lawns in the residential areas on the morning of the
        24th. Official snowfall totaled only 0.4 inch downtown...
        but an estimated 8.0 inches of snow melted as it fell.
        North to northeast winds were sustained to 29 mph with
        gusts to 30 mph on both days.
      In 1975... a vigorous cold front moving across Metro Denver
        followed by strong northeast winds gusting to 52 mph
        produced billows of blowing dust and plunged the
        temperature 21 degrees in an hour. The surface
        visibility was reduced to 1/4 mile in blowing dust at
        Stapleton International Airport. The temperature cooled
        from a daily record high of 81 degrees to a low of 38
        degrees by day's end. The first snowfall of the season
        totaled 2.7 inches on the 23rd. This was the only
        measurable snow of the month at Stapleton International
      In 1995... heavy snow fell on the Palmer Ridge south of Denver
        and in the foothills west of Denver where snow amounts
        ranged from 4 to 8 inches. Sedalia... south of Denver...
        received 8 inches of snow. Winds strengthened on the
        plains and produced blizzard conditions... reducing surface
        visibilities to less than 1/4 mile. I-70 was closed
        from just east of Denver at gun club Road to the Kansas
        border. Ten inches of snow fell at Strasburg east of
        Denver where north winds at sustained speeds of 35 to
        45 mph with gusts as high as 60 mph produced 2 to 4 foot
        drifts. Snowfall totaled only 2.2 inches at the site of
        the former Stapleton International Airport. North winds
        gusted to 51 mph at Denver International Airport.
23 in 1876... skies were fair... but winds were sustained to
        48 mph.
      In 1942... a major storm dumped 10.2 inches of snow over
        downtown Denver. Post-frontal northeast winds were
        sustained to only 13 mph.
      In 1955... the first snowfall of the season and the only
        measurable snow of the month dumped 4.1 inches of snow
        on Stapleton Airport. This was the single heaviest
        October snowfall in 13 years since 1942. The storm
        also brought the first sub-freezing temperatures of the
        season when the temperature dipped to a low of 25 degrees.
      In 1956... southwest winds gusted to 53 mph and produced some
        blowing dust at Stapleton Airport.
      In 1967... a northwest wind gust to 51 mph was recorded at
        Stapleton International Airport. In downtown Boulder...
        winds were sustained at 20 mph with gusts in excess of
        40 mph.
      In 1981... strong winds occurred in the foothills. Wind gusts
        to 70 mph were reported at Wondervu.
23-24 in 1887... the first measurable snowfall of the season totaled
        3.1 inches. North winds to 20 mph were recorded on the
        23rd. This was the only measurable snow of the month.
      In 1932... Post-frontal snowfall from the late evening of the
        23rd continued through the late afternoon of the 24th and
        totaled 6.2 inches. Southeast winds were sustained to 25
        mph with gusts to 26 mph on the 23rd. Temperatures cooled
        from a high of 68 degrees on the 23rd to a low of 25
        degrees on the 24th... the coldest reading of the month that
        year. Many trees that had not shed their leaves became
        heavily laden by the wet snow. Many branches were broken...
        and a few trees toppled under the weight of the snow. The
        landscape became one of rare beauty.
24 in 1956... southwest winds gusted to 56 mph and produced some
        blowing dust at Stapleton Airport. A cold front produced
        a thunderstorm with 1/8 inch hail. Rain later changed to
        snow. Precipitation totaled only 0.11 inch and snowfall
        only 0.3 inch.
      In 1973... strong winds raked the eastern foothills... causing
        damage in Boulder and Jefferson counties. The heaviest
        damage occurred in the Boulder area where 20 to 25 Mobile
        homes were hit... some power and telephone lines were blown
        down... and a store was damaged. A wind gust to 76 mph was
        recorded in Boulder at the National Bureau of standards.
        Northwest winds gusted to 46 mph at Stapleton International
24-25 in 1921... rainfall totaled 0.35 inch overnight behind an
        apparent cold front. North winds were sustained to 40 mph
        with gusts to 46 mph on the 25th. Temperatures plunged
        from a high of 73 degrees on the 24th to a low of 39
        degrees on the 25th.
      In 1923... rain overnight changed to snow during the morning.
        The heavy snowfall accumulated to 12.0 inches before ending
        on the morning of the 25th. Post-frontal north winds were
        sustained to 22 mph with gusts to 23 mph on the 24th.
      In 1997... one of the worst and deadliest blizzards of the
        decade developed over eastern Colorado as deep east to
        northeast flow associated with a vigorous upper level low
        pressure system over The Four Corners... combined with a
        strong Arctic air mass over the central Great Plains.
        Snowfall totals across Metro Denver ranged from 14 to 31
        inches. The heaviest snowfall occurred in the foothills
        west and southwest of Denver where 2 to 4 feet of snow
        were measured. Sustained winds to 40 mph with gusts as
        high as 60 mph produced zero visibilities and extremely
        cold wind chill temperatures from 25 below to 40 below
        zero. Winds whipped the snow into drifts 4 to 10 feet
        deep. Several major and Interstate highways were closed
        as travel became impossible. Red Cross shelters were set
        up for hundreds of travelers who became stranded when
        they had to abandon their vehicles. Four people died in
        northeastern Colorado as a result of the blizzard. None of
        the deaths were in Metro Denver. At Denver International
        Airport... 4 thousand travelers were stranded when the Airport
        was forced to shut down. At least 120 cars were abandoned
        along pena Blvd... .the only arterial leading into and out
        of dia. The blizzard cost air carriers at least 20 million
        dollars. Thousands of cattle died in the storm over
        northeastern Colorado... resulting in losses totaling 1.5
        million dollars. Some of the more impressive snowfall
        totals included: 51 inches at Coal Creek canyon; 48
        inches at Silver Spruce ranch... near ward; 42 inches at
        intercanyon... in the foothills southwest of denver; 37 inches
        at sedalia; 35 inches at Aspen Springs and Conifer in the
        foothills west of denver; 31 inches at Eldorado Springs...
        southeast Aurora... and englewood; and 30 inches on Table Mesa
        in Boulder. Snowfall totaled 21.9 inches at the site of
        the former Stapleton International Airport... setting a new
        24-hour snowfall record of 19.1 inches for the month.
        Snowfall totaled only 14 inches at Denver International
        Airport where north winds gusted to 39 mph on the 24th.
        High temperature of only 21 degrees on the 25th equaled
        the record low maximum for the date first set in 1873.
        Low temperature of only 3 degrees on the 26th set a new
        record minimum for the date.
25 in 1925... a vigorous cold front produced north winds sustained
        to 42 mph with gusts to 52 mph. Post-frontal snowfall was
        only 0.4 inch during the late afternoon and early evening.
      In 1959... northwest winds gusted to 55 mph at Stapleton
      In 1997... the high temperature warmed to only 21 degrees... the
        record low maximum for the month. The same temperature
        also occurred on October 30... 1991.
26 in 2010... very strong winds during the day knocked down power
        lines in parts of Boulder. The downed electrical lines
        sparked a small brush fire near Columbine Elementary
        School. Strong wind gusts also damaged the tennis bubble
        at the millenium harvest house. In Northglenn. A tree was
        knocked down and caused minor damage to a mini-Van parked
        nearby. Peak wind gusts included: 70 mph at Berthoud... 67
        mph at Rocky Mountain Metropolitan Airport in Broomfield...
        63 mph at the Rocky Flats National wind technology center
        and 59 mph at the ncar Mesa laboratory... 3 miles southwest
        of Boulder. West winds gusted to 43 mph at Denver
        International Airport.
      In 2011... a powerful early season storm brought heavy snow
        to the Front Range and adjacent plains. The heavy... wet
        snow caused extensive downed large branches and in some
        cases... entire trees. Massive power outages occurred from
        Fort Collins and Greeley south to Denver and the
        surrounding Metro area. Most of the trees still had their
        leaves... which helped to catch snow and down trees under
        the weight of the moisture laden snow. Nearly two hundred
        thousand utility customers along the Front Range were
        without heat and electricity for several hours. The Red
        Cross opened four temporary shelters overnight until the
        power could be restored. The outages also forced the
        closure of the Boulder criminal Justice center the
        following day. The fallen trees and branches also caused
        extensive property damage to roofs and automobiles. In
        the Front Range mountains and foothills... storm totals
        included 19.8 inches... 3 miles west of jamestown; 18
        inches... 5 miles west of copper; 13 inches... 3 miles north
        of Blackhawk and 3 miles south of Evergreen... 4 miles
        east-northeast of Nederland and lake eldora; 12 inches
        at Berthoud snotel. Across the urban corridor storm
        totals included: 11.5 inches in boulder; 9.5 inches at
        the National Weather Service in boulder; 9 inches... 1 mile
        southwest of westminster; 8.5 inches in Broomfield...
        Denver International Airport... Frederick and louisville;
        8 inches in Aurora... 7 inches in watkins; with 6 inches
        in Arvada.
25-26 in 1996... 4 to 6 inches of snow fell in the foothills west of
        Denver. Only 1.5 inches of snowfall were measured at the
        site of the former Stapleton International Airport on the
        26th. This was the only measurable snow of the month at
        the site. The snowfall produced icy and snowpacked
        highways... which resulted in a 50-to 60-car pileup on I-25
        south of Metro Denver. West winds gusted to 33 mph at
        Denver International Airport.
      In 2006... a winter storm brought heavy snowfall to Metro
        Denver and the eastern foothills. Total snowfall ranged
        from 12 to 22 inches over the higher terrain and 6 to 12
        inches across Metro Denver. Northerly winds at sustained
        speeds of 20 to 30 mph with gusts as high as 47 mph at
        Denver International Airport whipped the snow into drifts
        3 to 4 feet deep. Many tree limbs snapped under the weight
        of the heavy... wet snow which also downed power lines...
        leaving thousands of residents without power. Storm total
        snowfall included: 25 inches near Aspen Springs... Conifer...
        and evergreen; 23.5 inches near rollinsville; 23 inches in
        Idaho springs; 22.5 inches near blackhawk; 21.5 inches near
        bailey; 19 inches near Bergen park; 18 inches near Aspen
        Springs... Genesee... and jamestown; 17 inches southwest of
        boulder; 16 inches in evergreen; and 15 inches near
        Georgetown and Perry Park. Snowfall totaled 5.3 inches
        in the Denver Stapleton area. At Denver international
        aiport... rain... including a thunderstorm... changed to snow
        on the evening of the 25th after a high temperature of
        70 degrees.
      In 2010... a storm system brought heavy snow to the mountains
        west of Denver. Storm totals included: 24 inches at the
        eisenhower Tunnel... 18 inches at Loveland ski area; with
        16 inches at Arapahoe basin.
25-27 in 1897... a major storm dumped 13.5 inches of snowfall over
        downtown Denver. Rain changed to snow during the evening
        of the 25th and continued through mid-morning of the 27th.
        Most of the snow... 12.0 inches... fell on the 26th when north
        winds were sustained to 36 mph and gusts were as high as 46
        mph. Temperatures during the storm were in the 20's and
        lower 30's. Precipitation (rain and melted snow) totaled
        1.21 inches.
26 in 1995... winds gusting from 100 to near 110 mph pounded the
        foothills northwest of Denver. At Nederland winds gusted
        to 100 mph and to 70 mph in Coal Creek Canyon. Atop
        Squaw Mountain west of Denver wind gusts to 108 mph were
        recorded. The strong winds downed some trees and caused
        power outages. West-northwest winds gusted to 47 mph at
        Denver International Airport.
26-27 in 1971... strong winds raked Boulder. At the National Bureau
        of standards wind gusts to 62 mph were recorded... while in
        downtown Boulder winds peaked to 48 mph. At Stapleton
        International Airport... northwest winds gusted to 38 mph on
        the 26th and north winds gusted to 36 mph on the 27th.
      In 1976... the first measurable snow of the season turned into
        a major storm. Traffic was halted for several hours on
        highways to the west of Denver where 8 to 12 inches of
        snow fell in the foothills. Snowfall totaled 7.2 inches
        at Stapleton International Airport where north winds
        gusted to 30 mph. Most of the snow... 6.3 inches... fell
        all day on the 26th. The greatest snow depth on the
        ground was 5 inches on the morning of the 27th.
27 in 1980... the first snowfall of the season totaled only
        1.5 inches with 0.10 inch of moisture at Stapleton
        International Airport where the maximum snow depth on
        the ground was only 1 inch due to melting. This was the
        only measurable precipitation of the month... making it the
        driest October since 1962 when only 0.03 inch of
        precipitation was measured.
      In 1994... wind gusts to 70 mph were recorded atop Squaw
        Mountain... 5 miles south of Idaho Springs... and at
        Rollinsville in the foothills southwest of Boulder.
        Northwest winds gusted to 28 mph at Stapleton
        International Airport.
27-28 in 1874... strong west winds in Boulder along with a
        reported tornado produced 150 dollars in damage.
      In 1913... a strong cold front produced sustained northeast
        winds to 35 mph with gusts as high as 38 mph on the 27th.
        Overnight snowfall totaled 5.8 inches. Temperatures
        plunged to a low of 17 degrees on the morning of the 28th
        after a high of 60 degrees on the 27th.
27-30 in 2009... a powerful early season storm brought heavy
        snow to the Front Range. The combination of a deep
        northeasterly upslope flow coupled with abundant moisture
        and lift with the developing storm system produced an
        extended period of moderate to heavy snowfall. The heavy
        wet snow accumulated on trees and resulted in broken
        branches and scattered electrical outages. Interstates 70
        and 76 were closed east of Denver. Numerous other roads
        and highways were shut down. The Red Cross set up numerous
        emergency shelters for stranded travelers. The blowing
        snow at Denver International Airport forced the
        cancellation of hundreds of flights. Schools were also
        closed. In the foothills storm totals included: 46 inches...
        3 miles southeast of pinecliffe; 42 inches... 3 miles
        southwest of conifer; 34 inches... 3 miles north of
        blackhawk; 30 inches at Aspen Springs and near Evergreen...
        23 inches at Roxborough Park... and 20 inches... 3 miles
        south-southeast of Morrison. Across the urban corridor
        storm totals included: 25 inches in Highlands ranch;
        21.5 inches near Louisville... 20.5 inches in Broomfield...
        20 inches at Lafayette... 17.5 inches in Boulder... 17 inches
        in Westminster... 16.5 inches in erie; 15.5 inches in
        Arvada and 5 miles west-northwest of Littleton... 15 inches
        in Littleton... 14 inches in Englewood... 13.5 inches in
        Lakewood and 6 miles north of thornton; 13.3 inches at
        Denver International Airport... 11 inches... 4 miles south of
        denver; 10.5 inches... 2 miles north of Cherry Hills Village
        and Niwot.
28 in 1917... Post-frontal snowfall totaled 6.5 inches in the
        city. North winds sustained to 30 mph with gusts to 33
        mph caused the temperature to plunge from a high of 58
        degrees to a low of 9 degrees by midnight.
      In 1967... winds gusted to 65 mph in downtown Boulder... causing
        minor damage. South winds gusted to 32 mph at Stapleton
        International Airport.
      In 1991... the first major snow of the season hit Metro Denver
        as a cold Arctic air mass moved over the area. Snowfall
        amounts across northeast Colorado ranged from 3 to 10
        inches with 4.4 inches of snowfall recorded at Stapleton
        International Airport where north winds gusted to 22 mph.
        The low temperature dipped to 13 degrees.
      In 1993... high winds buffeted the Front Range foothills. A
        wind gust to 83 mph was recorded atop Squaw Mountain... 35
        miles west of Denver... and a gust to 76 mph occurred near
        Rollinsville southwest of Boulder.
28-29 in 1993... an upper level disturbance combined with a moist
        upslope flow to bring heavy snow to portions of Metro
        Denver. Snowfall amounts ranged from 5.4 inches at
        Stapleton International Airport to 14 inches in Boulder.
        New snowfall totaled 8 inches at Gross Reservoir in the
        foothills 5 miles southwest of Boulder. On the 28th... north
        winds gusted to 30 mph at Stapleton International Airport
        where the temperature climbed to only 25 degrees on the
        29th... equaling the record low maximum for the date.
28-30 in 1971... a vigorous cold front plunged temperatures from a
        high of 70 degrees on the 27th to record low levels on the
        29th and 30th. Snowfall totaled 3.1 inches at

Weather Severe Map
Alaska - Coastal Flood Watch , High Wind Watch
Arizona - Record Report
California - Wind Advisory , Lake Wind Advisory , Fire Weather Warning , Beach Hazard Statement , Record Report
Colorado - Record Report , Public Information Statement
Connecticut - Wind Advisory , Record Report , Public Information Statement
Florida - Coastal Flood Statement , Fire Weather Watch , Beach Hazard Statement
Georgia - Frost Advisory , Public Information Statement
Hawaii - High Surf Advisory , Wind Advisory
Illinois - Flood Warning
Indiana - Flood Warning
Maine - Record Report , Public Information Statement
Massachusetts - Wind Advisory , Winter Weather Advisory , Public Information Statement
Nevada - Wind Advisory , Lake Wind Advisory , Fire Weather Warning
New Hampshire - Record Report , Public Information Statement
New Jersey - Record Report , Public Information Statement
New York - Wind Advisory , Winter Weather Advisory , Special Statement , Record Report , Public Information Statement
North Carolina - Flood Warning , Frost Advisory , Coastal Flood Advisory
Pennsylvania - Record Report
Rhode Island - Wind Advisory , Public Information Statement
South Carolina - Flood Warning
Tennessee - Frost Advisory
Texas - Coastal Flood Advisory
Vermont - Wind Advisory , Winter Weather Advisory , Public Information Statement
Virginia - Frost Advisory
West Virginia - Frost Advisory
- Small Craft Advisory

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