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NOUS45 KBOU 090859
PNSBOU
COZ030>051-092300-

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT TUE AUG 9 2022

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

8-10  In 1979...heavy thunderstorm rains on each of three
        consecutive days dumped a total of 2.22 inches of rain
        at Stapleton International Airport.  The heaviest rain...
        0.95 inches...fell on the 9th.  Small hail to 1/8 inch
        diameter fell on the 8th.
8-13  In 1875...from the 8th to the 13th...clouds of grasshoppers were
        seen flying through the air on the prevailing winds during
        each day.
9     In 1900...a thunderstorm produced west winds sustained to
        47 mph with gusts to 55 mph...but only 0.01 inch of rain.
      In 1902...a thunderstorm produced no rain and north winds
        sustained to 52 mph with gusts to 60 mph.
      In 1934...heavy cloudbursts in the foothills near Kittredge
        and at the head of Mount Vernon Creek caused flash flooding
        on both Bear Creek and Mount Vernon Creek at Morrison...
        which resulted in 6 deaths and much property damage.
        The highway in Mount Vernon Canyon was destroyed by the
        flood waters.
      In 1981...3/4 inch hail fell at Kittredge near Evergreen in
        Jefferson County.
      In 1987...3/4 inch hail fell in Boulder and 9 miles northwest
        of Castle Rock.
      In 1995...lightning struck a 16-year-old counselor in the
        back of the head while he and a friend were standing under
        a tree at the Singing River Ranch...7 miles west of
        Evergreen.  He stopped breathing...but his friend was able
        to summon help and they were able to revive him.  He was
        hospitalized for a few days and released.
      In 1998...brief...weak tornadoes (F0) were sighted near
        Bennett and Roggen.  No damage was reported.  Hail as
        large as 1 inch diameter fell in Franktown with
        3/4 inch diameter hail measured near Castle Rock.
        Thunderstorm winds gusted to 61 mph near Roggen.
9-10  In 2006...mid and high cloudiness overnight on both the
        9th and 10th resulted in two temperature records.  The
        low temperature of 71 degrees on the 9th was a record high
        minimum for the date.  The low temperature of 68 degrees on
        the 10th equaled the record high minimum for the date first
        set in 1936.

$$
NOUS45 KBOU 100859
PNSBOU
COZ030>051-102300-

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT WED AUG 10 2022

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

8-10  In 1979...heavy thunderstorm rains on each of three
        consecutive days dumped a total of 2.22 inches of rain
        at Stapleton International Airport.  The heaviest rain...
        0.95 inches...fell on the 9th.  Small hail to 1/8 inch
        diameter fell on the 8th.
8-13  In 1875...from the 8th to the 13th...clouds of grasshoppers were
        seen flying through the air on the prevailing winds during
        each day.
9-10  In 2006...mid and high cloudiness overnight on both the
        9th and 10th resulted in two temperature records.  The
        low temperature of 71 degrees on the 9th was a record high
        minimum for the date.  The low temperature of 68 degrees on
        the 10th equaled the record high minimum for the date first
        set in 1936.
10    In 1924...0.01 inch of rain fell over downtown Denver.  This
        along with the 0.01 inch of rainfall on the 4th was the
        only rainfall of the month...making this the driest August
        on record in the city.
      In 1962...the high temperature reached 100 degrees at
        Stapleton Airport.
      In 1970...hail stones to 1 inch in diameter were reported in
        the Fort Lupton area.
      In 1972...dry thunderstorm microburst winds gusting to 46 mph
        briefly reduced the surface visibility to 3/4 mile in
        blowing dust at Stapleton International Airport.
      In 1978...lightning struck two men in Aurora...killing one and
        injuring the other.
      In 1982...a tornado was sighted near Castle Rock and remained
        on the ground for 10 minutes.  Wind gusts to 60 mph were
        reported in Castle Rock.  No damage was reported.
      In 1994...heavy thunderstorm rains caused flash flooding on
        Lena Gulch in west metro Denver.  Damage was estimated at
        50 thousand dollars.  Lightning struck a house in
        Westminster...causing a small attic fire.
      In 1996...strong thunderstorm winds toppled a tent at a
        company picnic in Westminster.  Five people received minor
        injuries when the tent collapsed.  Two cars nearby were
        also damaged by flying debris.  A weak tornado (F0)...first
        sighted near Denver International Airport...traveled east
        to near Bennett and Strasburg.  No significant damage was
        reported.
      In 1998...heavy rain caused flooding and flash flooding
        problems over southwest metro Denver.  An observer in
        Lakewood measured 3.26 inches of rainfall in an hour.
        Several streets were flooded in central Lakewood.  In
        addition...a trailer park along Lena Gulch in Wheat Ridge
        was evacuated due to high waters.  One inch diameter
        hail fell near Roggen.
      In 1999...thunderstorm-producing tornadoes...damaging straight
        line winds...heavy rain...and hail hammered metro Denver.  In
        the city...small hail and heavy rainfall...up to 2.50 inches
        an hour...caused a 20-foot by 50-foot section of the roof to
        collapse at a furniture warehouse.  Damage to the warehouse
        was estimated at 1 million dollars.  Heavy rain also flooded
        several underpasses with up to 3 feet of water...which
        resulted in a number of stalled vehicles.  In Fort Lupton...a
        tornado bounced across the area.  Spotty damage was reported
        along a 5-mile path as trees...power poles...and lines were
        downed.  In addition...an empty semi-trailer was overturned
        onto another vehicle northeast of the town.  Thunderstorm
        winds gusted to 81 mph south of Fort Lupton.
      In 2004...severe thunderstorms pummeled metro Denver with
        large hail.  Hail up to 3 inches in diameter was measured
        10 miles east of Castle Rock.  Two inch diameter hail fell
        in Louisville...10 miles north of Hudson...and 1 mile east of
        Brighton.  Hail to 1.75 inches was reported in Englewood...
        1 mile south of Ft. Lupton...and 8 miles east of Boulder.
        Hail to 1.50 inches was reported around Boulder...near
        Broomfield...and in Lafayette...Thornton and Greenwood Village.
        Hail from 3/4 to 1 inch in diameter was found in Broomfield...
        Brighton...Castle Rock...Denver and Thornton...and near Longmont...
        Northglenn...Greenwood Village...Morrison...and Wheat Ridge.
        Severe thunderstorm wind gusts were recorded to 66 mph in
        Parker and to 60 mph 5 miles northeast of Boulder.  There
        were no damage estimates from the hail or wind.
      In 2015...heavy rain quickly flooded several intersections in
        Centennial and vicinity. Vehicles stalled in the flooded
        intersections. Two motorists had to be rescued from flooded
        roadways; on at University Blvd and County Line Road and the
        other...at Univerity Blvd and Dry Creek Rd. At Centennial
        Airport...a hangar partially collapsed when 2.17 inches fell
        in less than 45 minutes. At the Denver Broncos training
        facility in Dove Valley...the storm left the practice fields
        and parking lot flooded...and the viewing area near the field
        house damaged by strong winds. The fields...the team said...
        received 3.5 inches of rain in an hour during the storm. As
        a result...the practice facility was closed to the public the
        following day due to storm damage.

$$




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