Current Watches and Warnings
Colorado, Grand and Summit Counties Below 9000 Feet
Public Information Statement
Statement as of 6:45 PM MDT on May 23, 2015
... This week in Metro Denver weather history...
20-27 in 2002... lightning sparked a wildfire near Deckers. Extremely
dry conditions and very strong winds the following day
allowed the fire... known as the Schoonover... to consume 3850
acres before it could be contained. Thirteen structures
were destroyed... including 4 homes... resulting in 2.2 million
dollars in damage.
23-24 in 2002... a Pacific storm system brought much needed snow to
the mountains and foothills with a mix of rain and snow on
the plains. The most snow fell from central Jefferson
County northward. Snow totals included: 13 inches in Coal
Creek Canyon... 11 inches near Evergreen and atop Gold Hill...
10 inches near Blackhawk and Conifer and atop Crow Hill...
9 inches near Rollinsville... and 8 inches near Genesee and
Golden. Rain was mixed with snow across the city.
Precipitation totaled 0.61 inch at Denver International
Airport. Snowfall was less than an inch at the site of the
former Stapleton International Airport. The storm brought
unseasonably cold air to Metro Denver. Three temperature
records were set. Low temperature of 31 degrees on the
23rd was a record minimum for the date... as was the low of
32 degrees on the 24th. The high temperature of only 48
degrees equaled the record low maximum for the date.
24 in 1953... a microburst caused a brief wind gust to 55 mph at
In 1957... Walnut size hail... 1 1/2 inches in diameter... fell in
east Denver. Only 1/4 inch hail was measured at Stapleton
In 1958... rainfall totaled 1 to 2 inches across Metro Denver.
Rainfall was only 0.37 inches at Stapleton Airport.
In 1974... a tornado was observed briefly near Watkins. No
damage was reported.
In 1980... strong gusty winds of at least 60 mph damaged
buildings in parts of Denver. Several buildings were
unroofed in Sheridan. The flying debris damaged other
structures. Strong microburst winds gusted to 52 mph
at Stapleton International Airport.
In 1991... a tornado touched down briefly in open country near
Bennett. No damage was reported.
In 1994... weather spotters reported 2 funnel clouds over
Aurora and a short-lived waterspout on Cherry Creek
In 1997... hail to 1 inch in diameter fell in Broomfield
with 3/4 inch hail measured in Boulder.
In 1998... a tornado struck a wooden hangar at the Aurora
Airpark. The hangar collapsed... damaging a car and a
single engine plane parked inside. An adjacent steel
hangar sustained only minor damage. The tornado moved
northeast... hopped I-70... and touched down again in an
open field. Earlier... a weak tornado touched down
briefly in an open field 10 miles southeast of Buckley
In 2003... severe thunderstorms produced large hail over
northern and southern Metro Denver. Hail as large as
2 3/4 inches in diameter was measured 10 miles northwest
of Hudson and to 2 inches in diameter 10 miles northeast
of Fort Lupton. One inch diameter hail fell in Fort
Lupton. Hail to 1 inch in diameter fell near Parker
and to 3/4 inch near Franktown.
In 2004... severe thunderstorms moved across northwest and
North Metro Denver. Hail as large as 1 inch in diameter
fell in Broomfield and Thornton with 3/4 inch hail
measured near Arvada and Hudson and in the city of
In 2005... severe thunderstorms produced hail as large as
1 inch in diameter in Arvada and the city of Denver.
In 2014... a severe thunderstorm in Lakewood produced hail...
up to 1 inch in diameter.
24-26 in 1996... a late Spring snowstorm dumped 4 to 10 inches of
snow over the Front Range foothills. Conifer picked up
10 inches of new snow; Aspen Springs... 9 inches; and
Central City... 8 inches. The sticky... heavy snow clung to
power lines and pulled tree branches down... causing power
outages to about 1200 homes in the Conifer area. It took
up to 6 hours to restore power to some residences.
Lightning struck a telephone data Cabinet in Conifer on
the 25th... which knocked out phone service to about 1500
customers. Widespread rain fell across Metro Denver...
where rainfall totaled 2.07 inches at the site of the
former Stapleton International Airport and 1.66 inches at
Denver International Airport where north winds gusted to
24 mph on the 26th.
In 2010... high winds preceding a cold front... swept across
the Front Range foothills and urban corridor. In Aurora...
the wind damaged the roof of rangeview High School. In
Conifer and Denver... the wind downed trees and power
lines and caused several brief outages. The downed
power lines also caused several cars to catch fire in
the vicinity of 1590 Cook St. In Denver. Peak wind gusts
included: 82 mph at Highlands Ranch... 67 mph... 4 miles
east of Franktown and longmont; 65 mph in Boulder... 64 mph
in centenniel and Denver International Airport... 62 mph
near Parker and 60 mph in Arvada.
25 in 1877... lightning killed one person in west Denver and
struck several houses. The Bolt struck the house of the
"home laundry" stunning the occupants and killing a lady
who was holding one of her grand children in her arms.
The child escaped unhurt. The lightning also struck the
top of a tree in front of the house and partially peeled
the bark off the tree. Lightning struck a church in the
Evans addition and another tree in east Denver. Lightning
struck the switch room at the Telegraph office where the
operator saw small balls of lightning pass across the room
to the stove. The thunderstorm pelted the city with only
pea size hail. Precipitation from the storm totaled 0.40
inch in downtown Denver.
In 1880... light rain all afternoon totaled only 0.24 inch
in the city... but was valuable to stockmen and farmers
due to the very dry... parched weather conditions on the
In 1965... a tornado was sighted by a pilot 30 miles south
southeast of Denver. No damage was reported. Another
pilot reported 3/4 inch hail 30 miles east of Denver. The
state patrol reported that a man was killed when a fierce
gust of wind swept him from the back of a pick-up truck in
northwest Douglas County. The man was holding a mattress
in the bed of the truck.
In 1974... a microburst wind gust to 53 mph was recorded at
Stapleton International Airport. A pilot reported a tornado
20 miles east of Denver.
In 1976... lightning struck a home in Boulder... shattering 2
large trees and damaging a television set.
In 1997... hail as large as 1 3/4 inches in diameter fell near
Watkins. Hail to 3/4 inch in diameter fell in Broomfield
and near Lochbuie.
In 2000... 3/4 inch diameter hail fell at Cherry Creek Reservoir
in Aurora. Thunderstorm winds gusted to 51 mph at Denver
International Airport where small hail fell.
In 2006... a severe thunderstorm produced an estimated wind gust
to 70 mph in Hudson. The strong winds damaged the roof of a
home. A thunderstorm produced southwest wind gusts to 54
mph at Denver International Airport.
25-26 in 1950... a major storm dumped 10.0 inches of snowfall
downtown and 10.7 inches at Stapleton Airport where
northwest winds gusted to 30 mph on the 25th. The storm
caused extensive damage to utility wires and trees which
were in full Leaf. A daily record minimum temperature of
31 degrees occurred on the 25th. This was the coldest
temperature on this date in 79 years and for so late in the
In 1989... a late season snow storm dropped snow as low as 6
thousand feet along the Front Range. Most places in the
foothills had 2 to 5 inches of snow. Overnight rainfall
totaled 0.33 inch at Stapleton International Airport where
north winds gusted to 37 mph on the 25th.
In 1994... lightning struck a television transmitter on Lookout
Mountain near Golden and burned out a switcher... which
disrupted cable service for 2 hours.
26 in 1897... apparent Post-frontal north winds were sustained to
42 mph with gusts as high as 48 mph.
In 1942... the all-time highest recorded temperature in may... 95
In 1978... two children were struck and killed by lightning on
a Junior High School playground in Parker.
In 1987... 1 inch diameter hail fell near Boulder and
Bennett. The hail was fairly soft and caused no damage.
In 1993... dry thunderstorms produced wind gusts to 81 mph at
Jefferson County Airport near Broomfield. Several trees
were blown down by the strong winds. Microburst winds
gusted to 51 mph at Stapleton International Airport.
In 1995... a woman was injured in Littleton when the car she
had just entered was struck by lightning. All of the
windows in the car were blown out by the strike. A funnel
cloud was sighted near Littleton.
In 2000... a strong microburst wind gust to 92 mph flipped a
small airplane on its back and blew a DC-3 loose from its
moorings... which allowed it to roll onto a grassy field at
Front Range Airport near Watkins.
In 2010... severe thunderstorms pounded parts of the urban
corridor with very large hail... heavy rain... damaging winds
and a tornado. The hail... ranging in size from 1 inch to
2 3/4 inches in diameter... struck Brighton... Commerce City
and northeast Denver the hardest. The storms continued to
spread destruction to the north and east... impacting
Byers... Hudson... Deer Trail and Prospect Valley. The
combination of hail and wind stripped the bark and
branches from trees. Numerous accidents were reported
as the hail accumulated up to a foot deep. Snowplows
were called out to clear the roadways. Flash flooding
occurred along State Highway 52 between Hudson and
Keenesburg... and forcing the closure of the Highway.
Widespread crop damage was also reported as the area
was inundated with up to 18 inches of water. Extensive
damage to homes... businesses and automobiles was
reported with the damage estimated to be around 70
million dollars. A tornado touched down near Denver
International Airport... but did no damage. Lightning
struck a child in Commerce City while she was watching
television. She suffered minor injuries to her leg.
At the Rocky Mountain Arsenal wildlife Refuge... a
lightning strike killed a Bison. At Denver International
Airport... only 0.01 inch of rainfall was observed... along
with a peak wind gust to 48 mph from the southeast.
26-31 in 1995... a cool period with light morning showers and
moderate to heavy afternoon showers and thunderstorms
pushed rivers already swollen from mountain snow melt
over their banks causing minor flooding. Streams and
rivers such as the South Platte and Boulder Creek flooded
Meadowlands... bike paths... roads near streams... and other
low lying areas. No significant property damage was
reported and crop damage was unknown. Rainfall totaled
1.79 inches at the site of the former Stapleton
International Airport and only 1.51 inches at Denver
27 in 1874... an apparent thunderstorm gust front reached the
city at 6:40 PM. Strong southwest winds sustained to
48 mph for a few minutes produced large columns of
dust in the city and on the prairie. There was no
rain in the city.
In 1942... a duststorm swept into the city... but no damage
was reported. West winds were sustained to 23 mph.
In 1953... a heavy hailstorm caused an estimated 100 thousand
dollars damage across Metro Denver. Larger than Golf Ball
size hail fell in Westminster and north Denver. Only 1/8
inch hail was measured at Stapleton Airport.
In 1955... west-northwest winds at 35 mph with gusts as high
as 58 mph briefly reduced the visibility to 1/2 mile in
blowing dust at Stapleton Airport.
In 1981... lightning damaged power lines west of Lakewood and
blew up a transformer at the Denver Federal Center. Hail
1 to 1 1/2 inches in diameter was reported in Lakewood and
on I-25 south of Denver.
In 2001... hail as large as 3/4 inch in diameter was measured
near Commerce City.
In 2003... hail to 3/4 inch in diameter fell near Central
In 2006... unusually warm weather for late may produced two
temperature records. The high temperature of 93 degrees
was a record maximum for the date. The low temperature
of 59 degrees equaled the record high minimum temperature
for the date. Both previous records occurred in 1895.
28 in 1884... a thunderstorm apparently produced large hail.
The hail stones were noted as unusually large... but the
diameter of the stones was not measured. The hail fell
for only 5 minutes. Precipitation from the storm was
only 0.05 inch.
In 1898... heavy thunderstorm rainfall totaled 1.74 inches
in downtown Denver. Hail of unknown size accompanied
In 1981... a woman in Aurora was struck and killed by
lightning. Another Bolt injured a boy on a bicycle at
about the same time a short distance away. About half an
inch of rain in 20 minutes caused street flooding in the
area. A tornado touched down for about 2 minutes some 3
miles north of Stapleton International Airport.
In 1982... severe thunderstorms produced Golf Ball size hail
in southeast Denver... Aurora... and Strasburg. The large
hailstones undoubtedly damaged some cars in the area.
At Stapleton International Airport... only 1/2 inch diameter
hail was measured.
In 1991... Golf Ball size hail fell in Brighton. No damage
was reported. Later... hail ranging in size from 3/4 inch
to 1 1/2 inches in diameter fell over southwestern sections
of Metro Denver. In some areas... hail piled up a few inches
In 1994... thunderstorm wind gusts to 65 mph damaged 16 small
airplanes and a hangar at Centennial Airport.
In 2001... severe thunderstorms produced large hail across
Metro Denver. Hail as large as 1 inch in diameter fell
in Lakewood... Wheat Ridge... northwest Denver... near Watkins...
Bennett... and Keenesburg. Hail 3/4 inch or larger fell
in Brighton. Thunderstorm winds gusted to 58 mph at
Denver International Airport. A small tornado (f0)
touched down near Bennett... but did no damage.
29 in 1934... the low temperature dipped to only 66 degrees... the
all-time record highest minimum temperature for the month
In 1958... a microburst caused a brief wind gust to 56 mph at
In 1964... heavy rain caused flooding in the Harvey Gulch
area of southeast Denver. The high water damaged homes...
businesses... streets... and bridges. At Stapleton
International Airport... 1.33 inches of rain were measured
with 1.76 inches total rainfall on the 29th and 30th. The
heavy rain during the last week of the month was the first
significant precipitation since April 3rd.
In 1967... 3/4 to 1 inch diameter hail stones fell in the city
of Denver... but caused no reported damage. Hail as large as
3/4 inch was measured at Stapleton International Airport.
In 1975... the heaviest last snowfall of the season occurred
when 5.6 inches of snow were measured at Stapleton
International Airport. Rain all day on the 28th changed
to snow on the 29th and accumulated to a depth of 4 inches
on the ground. Northwest winds gusted to 31 mph.
Precipitation (rain and melted snow) on the 28th and 29th
totaled 1.48 inches.
In 1982... one man was killed and two others injured by a
lightning strike as they stood under a tree in the city of
denver's Washington Park.
In 1987... 7/8 inch diameter hail fell near Castle Rock.
In 1990... thunderstorms over Metro Denver produced several
small funnel clouds and two small tornadoes. The first
tornado (f0) touched down in northwest Denver and caused
roof damage to a house and snapped off the tops of several
trees. A second tornado (f1) touched down in Northglenn
and moved into Thornton damaging a group of self storage
garages... several vehicles... a wooden fence... several trees...
and the roof of an auto parts store. No injuries were
reported. The storms also caused minor street flooding
across northern and western sections of Metro Denver.
Rainfall totals ranged from 1 to 3 inches. Lightning
started a small fire at a home in northwest Denver. The
fire was confined to the front rooms and was quickly
extinguished. Snow plows were used to clear 2 to 4 inches
of pea to Marble size hail from a stretch of U.S. Highway
285 in Turkey Creek Canyon. Lightning felled a tree in
northeast Denver... while strong winds snapped off several
large tree limbs in the same area. Thunderstorm rainfall
totaled 0.82 inch at Stapleton International Airport
where southwest winds gusted to 30 mph.
In 1991... lightning struck a 13 year old boy in a field in
Fort Lupton. The boy was in critical condition in an area
hospital for 2 days before recovering.
In 1995... lightning struck a soccer goal Post and injured
6 adults viewing a soccer game in Arvada. Although no
one received a direct hit from the lightning... all escaped
with only minor injuries... except one woman who was
In 1996... large hail... 3/4 to 1 1/2 inches in diameter...
struck Lakewood and west Denver. Lightning sparked a
small fire when it struck an oil storage tank 5 miles
west of Brighton.
In 2001... lightning sparked a fire in an apartment complex in
Aurora... forcing the evacuation of 24 units. Most of the
fire damage was confined to the attic. Damage was
estimated at 100 thousand dollars.
In 2004... a man and his son were struck by lightning while
practicing on the driving range at The Meadows Golf club
in southwest Metro Denver. The father was killed by the
Bolt... and his 16 year old son seriously injured. Three
other people standing nearby received only minor injuries.
In 2010... hail up to 7/8 inch in diameter was reported in
29-1 in 1894... heavy rain combined with snowmelt runoff caused
widespread flooding over the South Platte river basin.
Rainfall was heaviest in the foothills where 5 to 8
inches were measured over the 4 days. Heavy rainfall
west of Boulder flooded mining towns and damaged mining
properties. In the canyons above Boulder... railroads
and roads were washed out along with many bridges. The
- Alabama - Coastal Hazard Statement
- Alaska - Areal Flood Warning , Areal Flood Advisory, Areal Flood Watch , Areal Flood Watch , Fire Weather Warning , Special Statement , Record Report , Public Information Statement
- Arkansas - Flood Warning , Flood Advisory , Flash Flood Watch , Record Report , Public Information Statement
- California - Wind Advisory , Beach Hazard Statement , Record Report
- Colorado - Flash Flood Warning , Flood Warning , Areal Flood Advisory , Flood Watch / Flood Statement , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Winter Weather Advisory , Special Statement , Public Information Statement
- Connecticut - Special Statement
- Florida - Coastal Hazard Statement
- Georgia - Coastal Hazard Statement
- Kansas - Flood Warning, Areal Flood Warning , Flood Warning , Areal Flood Warning , Flash Flood Warning , Flood Warning, Flash Flood Warning , Flash Flood Warning , Areal Flood Warning , Flood Watch / Flood Statement , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Hydrologic Statement , Record Report
- Kentucky - Public Information Statement
- Louisiana - Flood Warning , Flash Flood Watch , Areal Flood Advisory , Record Report , Public Information Statement
- Maine - Record Report
- Massachusetts - Special Statement
- Michigan - Record Report
- Minnesota - Flood Warning
- Mississippi - Hydrologic Statement
- Missouri - Flood Warning , Flash Flood Watch , Record Report
- Nebraska - Areal Flood Warning , Flood Warning , Flood Watch / Flood Statement , Flood Advisory , Flash Flood Watch
- New Mexico - Public Information Statement
- Oklahoma - Tornado Warning , Tornado Watch , Tornado Watch , Flash Flood Warning , Flood Warning, Flash Flood Warning , Areal Flood Warning , Areal Flood Warning , Flash Flood Warning , Flood Warning , Flood Warning, Flash Flood Warning, Areal Flood Warning , Flood Warning, Areal Flood Warning , Flash Flood Warning, Areal Flood Warning , Flash Flood Warning, Areal Flood Warning , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Special Statement , Record Report , Public Information Statement
- Oregon - Record Report
- Rhode Island - Special Statement
- South Dakota - Flood Warning , Areal Flood Watch
- Texas - Severe Thunderstorm Watch , Tornado Watch , Tornado Watch , Severe Thunderstorm Warning , Severe Thunderstorm Warning , Flash Flood Warning , Flood Warning, Flash Flood Warning , Flood Warning , Flash Flood Warning , Flash Flood Warning, Areal Flood Warning , Flash Flood Warning, Areal Flood Warning , Areal Flood Warning, Flash Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Warning , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Flash Flood Watch, Areal Flood Advisory , Coastal Hazard Statement, Flash Flood Watch , Special Statement , Hydrologic Statement , Record Report , Public Information Statement
- Utah - Record Report , Public Information Statement
- Washington - Record Report
- Wyoming - Areal Flood Warning , Flood Warning , Flash Flood Watch , Flash Flood Watch, Areal Flood Advisory , Areal Flood Advisory , Areal Flood Advisory, Flash Flood Watch , Areal Flood Watch , Record Report , Public Information Statement