Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 120859

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT MON JUN 12 2017

...Today in metro Denver weather history...

1-30  In was the hottest June in Denver since weather
        records began back in 1872. The average temperature for
        the month was 75.0 degrees which was 7.6 degrees above
        normal.  There were a total of seventeen 90 degree days in
        the month of June. The highlight of record setting month
        was a stretch of five consecutive 100 degree days from the
        22nd to the 26th. This was only the third time in Denver
        weather history in which this happened. Two of the high
        temperatures during the stretch peaked at 105 degrees...
        which set the all time record for the month of June and
        tied the all time maximum temperature for Denver.
11-14 In 1999...damage from several hailstorms in and near metro
        Denver totaled 35 million dollars.  About 17.5 million
        dollars was from automobile claims with another 17.5
        million in homeowner claims.  The areas hardest hit by the
        storms included Castle Rock...Commerce City...Evergreen...
        and Golden.
12    In 1901...south winds were sustained to 45 mph with an extreme
        velocity to 47 mph.
      In 1917...northwest winds were sustained to 40 mph with gusts
        to 45 mph.
      In 1927...flooding on Little Dry Creek in Englewood resulted in
        two deaths.
      In 1947...a trace of snow fell over downtown Denver during the
        early morning.  This was the latest last snow of the season
        (trace or more).  This also marked the end of the longest
        snow season...264 days...from the first snow...a trace...on
        September 22...1946.  High temperature of 43 degrees was a
        record low maximum for the date.  Minimum temperature of 33
        degrees was a record low for the date.
      In 1971...a funnel cloud sighted over Arvada possibly touched
        down at the base of the foothills.  The public reported
        3/4 inch to 1 inch diameter hail over the City of Denver.
      In 1974...strong thunderstorm winds caused damage to power
        lines in metro Denver.  Northwest winds gusted to 45 mph
        at Stapleton International Airport.
      In 1975...a thunderstorm wind gust to 56 mph was recorded at
        Stapleton International Airport.
      In 1982...three small tornadoes were sighted near Bennett.
        One of the twisters caused minor crop and road damage along
        its path.  A brief tornado was sighted by National Weather
        Service observers at Stapleton International Airport.
      In 1983...3/4 inch hail fell in Boulder.  Golf ball to 3/4 inch
        size hail fell in Arvada...denting cars and house roofs.
        Over a thousand hail damage insurance claims were filed from
        the area.  Golf ball size hail also fell in Northglenn and
        Bennett...1 to 2 inch hail in Thornton...2 1/2 inch hail in
        northeast of Denver.  A tornado was sighted 10 miles
        northeast of Stapleton International Airport; it was only
        on the ground for 1 to 2 minutes.
      In 1984...large hail pelted many parts of southern metro
        Denver.  Fifteen aircraft were damaged by golf ball
        size hail at Centennial Airport.  Golf ball size hail was
        reported in south Denver...and 3/4 inch hail was measured
        in southeast Aurora.
      In 1987...a small weak tornado touched down for about 3
        minutes near the intersection of I-70 and Colorado Blvd.
        in northeast Denver.  No damage was recorded.  A microburst
        wind gust to 53 mph was recorded at Stapleton International
      In the City of Denver...lightning struck a tree under
        which seven people were picnicking.  One person was
        critically injured.  The others received only minor
      In ball size hail fell in Evergreen.
      In 1994...microburst winds gusting to 53 mph kicked up some
        blowing dust at Stapleton International Airport.
      In 1996...lightning struck a house in Parker...which sparked a
        fire.  The bolt was strong enough to blow nails out of the
        drywall in one room.  About 85 percent of the house was
        damaged.  No dollar estimate of the damage was available.
        Lightning also struck a power line in Boulder...which left
        250 customers without electricity for a short time.
      In 1997...a tornado touched down near Parker...damaging some
        construction equipment.  Hail to 2 inches in diameter was
        measured in Henderson.  One inch diameter hail fell in the
        City of Denver with 3/4 inch hail measured in Lakewood.
      In 1999...hail as large as 1 1/2 inches in diameter struck
        Hudson.  A funnel cloud was sighted by ramp personnel to
        the east of Denver International Airport.
      In 2003...lightning blew a hole in the roof of a house in
        Highlands Ranch.  The bolt knocked several holes in the
        bedroom ceiling and damaged the home`s electrical system.
      In 2004...lightning struck a home in Louisville...but caused
        only minor damage.
      In 2006...a strong microburst wind gust...estimated at 69 mph...
        ripped the roof off a horse barn near the intersection of
        Havana Street and Smith Road in Denver.  A 13 year old
        girl was injured...when she was thrown from a horse inside
        the barn at the time the roof was being torn off.  A
        thunderstorm produced a microburst wind gust to 54 mph
        and a trace of rainfall at Denver International Airport.
        A severe thunderstorm produced hail to 0.75 inch near
12-17 In 2000...two large wildfires developed in the Front Range
        foothills as careless campers and very dry conditions
        proved to be a dangerous combination.  Strong winds
        gusting in excess of 60 mph on the 13th fanned the flames...
        spreading both wildfires out of control.  Winds gusted to
        78 mph atop Niwot Ridge near the Continental Divide west
        of Boulder.  The Hi Meadows Wildfire...about 35 miles
        southwest of Denver...consumed nearly 11 thousand acres and
        80 structures...mostly high priced homes.  The Bobcat
        Wildfire...located about 12 miles southwest of Fort Collins...
        consumed nearly 11 thousand acres and 22 structures.  Late
        on the 16th...a strong cold front moved south over the Great
        Plains into northeastern Colorado.  Low level upslope
        conditions developed in the wake of the front...producing
        2 to 4 inches of snowfall overnight at elevations above
        8 thousand feet.  Firefighters were able to contain both
        fires shortly thereafter.

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