Current Watches and Warnings
Colorado, Central and East Adams and Arapahoe Counties
Public Information Statement
Statement as of 2:59 AM MDT on July 02, 2015
... Today in Metro Denver weather history...
29-2 in 1990... almost a year to date after the record breaking heat
in early July 1989... the third longest heat wave in Denver
history started. From June 29th through July 2nd the
temperature reached 100 degrees or more on four consecutive
days. The highest reading of 102 degrees occurred on the
29th... 30th... and 1st. Combined with the 102 degree reading
on June 27th this would have been the longest heat wave on
record... but the temperature climbed to only 98 degrees on
29-15 in 2000... the 29th marked the beginning of a near record hot
streak for Metro Denver. The high temperatures... as recorded
at Denver International Airport... exceeded the 90 degree mark
for 17 consecutive days from June 29th through July 15th.
The record of 24 consecutive 90 degree or above days was
set from July 13th through August 5th... 2008.
1-18 in 1874... a streak of 18 consecutive days of 90 degrees
tied for second with another streak that was later set
in the Summer of 1901. The record of 24 consecutive days
was established in the Summer of 2008.
1-31 in 2012... it was the hottest July on record in Denver since
weather records began in 1872. The average temperature for
the month was 78.9 degrees which was 4.7 degrees above
normal. There were 27 days in which the high temperature
equaled or exceeded 90 degrees... which established a new
record. There were also 7 days in which the temperature
equaled or exceeded 100 degrees which tied the record
set in 2005.
2 in 1879... a severe hail storm produced considerable damage
in the vicinity of Arvada. Some of the stones were
unusually large... measuring 6.5 inches in circumference
(2 inches in diameter) with an average weight of 1 ounce.
The stones were uniformly large with one side concave.
The greatest damage was to early wheat... cabbage... and vines.
A tree just to the south of the weather station in downtown
Denver was struck by lightning. Residents in the house
15 feet away were affected by the strike.
In 1885... thunderstorm winds were sustained to 50 mph in the
In 1892... an apparent cold front produced sustained northeast
winds to 40 mph with gusts to 45 mph.
In 1955... a apparent microburst wind gust to 69 mph was
recorded at Stapleton Airport where the brief strong wind
reduced the visibility to zero in blowing dust.
In 1965... hail... up to 2 inches in diameter... struck southwest
Adams and northeast Denver counties... damaging cars... windows...
and foliage. Hail accumulated up to a foot deep. Wind
gusts to 48 mph and hail to 1 inch in diameter fell at
Stapleton International Airport where the large hail broke
three storm windows and shredded shrubs at the U.S. Weather
Bureau upper air building.
In 1968... a pilot reported a tornado 10 miles southeast of
In 1971... one inch diameter hail stones were reported in Adams
County about 30 miles east of Denver.
In 1987... a large tornado touched down 10 miles northeast of
Stapleton International Airport. The tornado was vertical
and thick and kicked up a large dust and debris cloud.
Later... it developed a sinuous rope-like shape as it slowly
dissipated. The tornado was visible for 15 minutes. The
twister occurred in open country and did only minor damage
to a metal shed... porch... and mailbox. A man was killed by
lightning in southwest Aurora. He was in his backyard and
had a shovel in his hand at the time of the strike. A group
of soccer players were hit by lightning on a field in
Boulder. A 10-year-old boy was critically injured and
hospitalized; fortunately he recovered. Six other people
were knocked to the ground by the strike. Two of these were
slightly injured. Golf Ball size hail fell just east of
Littleton and at Highlands Ranch. Hail as large as 3/4 inch
in diameter was reported in Aurora and Parker and near Hudson
In 1988... a 45-year-old man was injured by lightning at Cherry
Creek Reservoir. Administration of cpr probably saved his
In 1990... the temperature reached a high of 100 degrees at
Stapleton International Airport.
In 1993... thunderstorm winds blew a roof off a barn near
Parker... causing an estimated 15 hundred dollars damage.
In 1994... thunderstorm winds downed power lines in Boulder...
causing power outages. Winds gusted to 66 mph in Boulder...
64 mph in Arvada... and 60 mph in Golden.
In 1998... a small tornado touched down briefly near Barr Lake...
but caused no damage.
In 2002... hail as large as 1 3/4 inches in diameter fell in
the city of Denver and in Arapahoe County near Littleton.
The low temperature of 69 degrees equaled the record high
minimum for the date.
In 2006... lightning struck a teenager in Castle Rock as he
was mowing his lawn and listening to an ipod. The teen
suffered Burns to his hands and feet... and had blood
running from his ears when he was found. The victim's
eardrums were ruptured... which damaged his hearing.
Lightning also struck a house in Castle Rock causing
extensive damage to the roof and side of the home.
Heavy rains caused flash flooding at Castlewood canyon
State Park near Franktown. The floodwaters destroyed
four footbridges along the high trail. A culvert and
several roads were washed out in the area. In addition...
two driveways crossing Cherry Creek were washed out near
Prairie Canyon ranch. Heavy rainfall also caused minor
flooding on Murphy and sand creeks... just east of Buckley
AFB. Gun club Road was closed between Alameda and
Mississippi avenues... north of the Murphy Creek Golf
course... where 3 feet of standing water reportedly covered
the Road. A severe thunderstorm produced large hail to
7/8 inch in diameter in south Aurora near Cherry Creek.
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