Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 270859

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT SUN AUG 27 2017

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

19-30 In 1875...grasshoppers appeared in great numbers at 10:00 AM
        on the 19th.  Thousands landed on the ground.  The streets
        were literally covered with them.  Swarms of grasshoppers
        were seen on each day.  All gardens in the city were
        devastated...and in the countryside the grasshoppers were
        very destructive to ripened grain.  On the 30th the
        grasshoppers were so numerous as to almost darken the sun.
26-27 In 1980...two heavy thunderstorms hit Arvada and Westminster...
        dumping up to 1.50 inches of rain in less than an hour.
        At least two streets were washed out and a number of homes
        and cars were damaged when a creek flooded.  Three homes
        in Arvada sustained minor lightning damage.
27    In 1910...a thunderstorm produced south winds sustained to 40
      In 1961...strong thunderstorm winds and heavy rain occurred at
        79th and Federal Blvd. in Westminster.  The strong winds
        blew the roofs off lumber sheds onto parked cars.
      In 1967...a young woman was killed by lightning while
        horseback riding in the suburbs just west of Denver.  Her
        horse died several hours after the incident.  A young man
        and another young woman were also knocked from their horses
        by the impact of the lightning and required hospitalization.
      In 1991...heavy thunderstorm rainfall totaled 0.91 inch at
        Stapleton International Airport...where 1/4 inch diameter
        hail was measured.
      In 1996...localized street flooding occurred in the Fort
        Lupton area when 2 to 3 inches of rain fell in 45 minutes.
        The roof of a community college began leaking...which caused
        damage to ceiling tiles.  The roof was under repair from
        hail damage which had occurred earlier in the summer.  A
        weak tornado (F0) was sighted near Fort Lupton.  No damage
        was reported.
      In 1999...a slow moving thunderstorm dumped 5 inches of rain
        in 2 hours near Dacono.  A severe thunderstorm produced
        3/4 inch diameter hail in Castle Rock.
      In 2002...severe thunderstorms spread large hail over metro
        Denver.  Hail as large as 2 inches in diameter fell in
        Jefferson County 5 to 11 miles northwest of Golden.  Other
        large hail reports included:  1 1/2 inches near Golden and
        in Lakewood; 1 1/4 inches in Nederland; 1 inch hail near
        Elizabeth...Louviers...Rollinsville...and Blackhawk; 7/8 inch
        hail near Acequia in Douglas County.  A thunderstorm
        produced a trace of rain and a microburst wind gust to
        52 mph at Denver International Airport.
      In 2003...lightning struck a house and sparked a fire in
        Arvada.  Damage to the roof and ceiling was extensive.
      In 2005...lightning struck an unoccupied home in Parker.
        The resulting fire damaged the roof...attic...and second
        floor bedroom.  Damage was estimated at 15 thousand
27-28 In 2004...a brief chilly spell resulted in three temperature
        records.  The high temperature of 55 degrees on the 27th
        was a record low maximum for the date.  The low temperature
        of 48 degrees on the 27th equaled the record minimum for
        the date.  The low temperature of 42 degrees on the 28th
        was a record minimum for the date.

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