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Colorado, Elbert/Central and East Douglas Counties Above 6000 Feet

Public Information Statement

Statement as of 3:59 AM MDT on August 03, 2015


... Today in Metro Denver weather history...

2-3 in 1876... grasshoppers were in great abundance in the city
        and caused considerable damage to gardens and to crops
        in the surrounding farms and ranches.
      In 1951... heavy thunderstorms rumbled across Metro Denver
        through the night. Heavy rain totaled 3.45 inches at
        Stapleton Airport. This was the greatest 24 hour
        precipitation ever recorded during the month of August
        in Denver.
      In 2007... heavy rain caused localized flash flooding near
        ft. Lupton. Up to 8 inches of water was reported across
        County Road 18. In addition... several other County roads
        in the immediate area were washed out.
3 in 1878... the high temperature climbed to 100 degrees in
        downtown Denver.
      In 1900... a thunderstorm produced west winds sustained to
        48 mph with gusts to 55 mph... but only a trace of rain.
      In 1903... a thunderstorm produced a trace of rainfall and
        northwest winds sustained to 45 mph with gusts to 60 mph.
        The high temperature was 99 degrees.
      In 1927... a thunderstorm produced hail and sustained north
        winds to 22 mph.
      In 1933... heavy cloudburst rains caused the failure of the
        Castlewood dam... which resulted in flash flooding on Cherry
        Creek... the deaths of 7 people in Denver... and flood damage
        estimated at 1 million dollars. Lower Denver was flooded
        during the morning by waters pouring down Cherry Creek
        and its valley from Castlewood dam... which had broken
        between midnight and 2:00 am. Heavy rain of 3 to 9 inches
        in 9 hours in the watershed above the dam resulted in the
        failure. At 7:30 am... the flow in Cherry Creek was reported
        at 16 thousand second-feet as compared with a peak flow of
        3 thousand second-feet in other years. The flood waters
        ruined hundreds of acres of crops and drowned scores of
        farm animals. Six bridges in Denver were swept away.
        Great deposits of mud were left in the lower sections of
        the city... including hundreds of basements and lower floors
        of buildings. At the end of the month... a deadly stench
        still rose from swampy areas near the Lower City limits.
      In 1963... heavy thunderstorm rains in the Parker area caused
        Cherry Creek to overflow... which damaged roads.
      In 1985... a tornado touched down briefly about 10 miles
        northeast of Parker. No damage was reported.
      In 1991... upslope northeast winds produced chilly temperature
        readings and heavy rain across Metro Denver. Rainfall...
        with no thunder... totaled 1.56 inches at Stapleton
        International Airport where the heavy rain briefly reduced
        the surface visibility to 7/8 mile. The Mercury climbed to
        a high of only 63 degrees.
      In 1992... a thunderstorm wind gust to 64 mph was recorded in
        Brighton. A wind gust to 60 mph was measured near the
        construction site of the new Denver International Airport.
        Lightning started a fire in an Evergreen church... causing
        over 75 thousand dollars in damage.
      In 1998... 3/4 inch hail fell in Jefferson County 15 miles
        northwest of Arvada.
      In 2006... heavy thunderstorm rainfall caused flash flooding
        along Leyden creek in unincorporated Jefferson County.
        An automated rain gauge on upper Leyden creek... 6 miles
        northwest of Arvada... measured 2.68 inches of rainfall in
        less than 2 hours. Two to three feet of water covered the
        roadway at the intersection of 82nd and Quaker Street.
      In 2009... a woman riding her bike... in training for an ironman
        triatholon... was struck by lightning in Boulder. She was in
        the 78th mile of a 100-Mile training ride when she was
        hit. The woman lost her vision initially and couldn't
        move her arms. After a short stay in the hospital... she
        made of complete recovery.
3-4 in 1988... two inches of rain fell in 3 hours at both Morrison
        and Wheat Ridge. Thunderstorm rainfall totaled 0.80
        inch overnight at Stapleton International Airport.


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