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Colorado, Larimer County Below 6000 Feet/Northwest Weld County

Flood Warning

Statement as of 6:27 PM MDT on May 23, 2015

Expires 2:00 PM EDT on May 28, 2015


The Flood Warning continues for
the South Platte river near Kersey.
* At 6:00 PM Saturday the stage was 10.6 feet.
* Flood stage is 10.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast... the river will continue rising to near 10.7 feet by
Sunday morning. The river will fall below flood stage Tuesday
evening.
* Impact... at 10.0 feet... considerable lowland and Meadow flooding
occurs. Water is at the base of several bridges in the area.
* Flood history... this crest compares to a previous crest of 10.7 feet
on may 8 1969.


Lat... Lon 4030 10488 4043 10459 4031 10426 4027 10428
4040 10460 4026 10487




627 PM MDT Sat may 23 2015

The Flood Warning continues for
the Cache la poudre river near Greeley.
* At 5:30 PM Saturday the stage was 8.6 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast... the river will continue rising to near 8.9 feet by
Monday evening. The river will fall below flood stage Thursday
morning.
* Flood history... this crest compares to a previous crest of 8.9 feet
on Jun 14 1983.


Lat... Lon 4047 10494 4046 10474 4043 10459 4040 10462
4043 10474 4043 10488




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
        Stapleton Airport.
      In 1957... Walnut size hail... 1 1/2 inches in diameter... fell in
        east Denver. Only 1/4 inch hail was measured at Stapleton
        Airport.
      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
        Reservoir.
      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
        field.
      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
        Denver.
      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
        plains.
      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
        season.
      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
        degrees... occurred.
      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
        International Airport.
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
        City.
      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
        the storm.
      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 depth.
      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
        of may.
      In 1958... a microburst caused a brief wind gust to 56 mph at
        Stapleton Airport.
      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
        hospitalized.
      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
        Broomfield.
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

Weather Severe Map
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
Arizona - Record Report
Arkansas - Flood Warning , Flood Advisory , Flash Flood Watch , Record Report , Public Information Statement
California - Wind Advisory , Beach Hazard Statement , Record Report
Colorado - Tornado Watch , Flood Warning , 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
Idaho - Special Statement
Kansas - Flood Warning , Areal Flood Warning , Areal Flood Warning , Flood Warning, Flash Flood Warning , Flash Flood Warning , 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 Advisory , Flash Flood Watch
Nevada - Record Report
New Mexico - Public Information Statement
Oklahoma - Tornado Warning , Tornado Warning , Tornado Watch , Tornado Watch , Severe Thunderstorm Warning , Flash Flood Warning , Flash Flood Warning , Flood Warning , Flood Warning, Flash Flood Warning , Flash Flood Warning, Areal Flood Warning , Flash Flood Warning, Areal Flood Warning , Areal Flood Warning , Areal Flood Warning , Flood Warning, Flash Flood Warning, Areal Flood Warning , Flash Flood Watch , Record Report , Public Information Statement
Oregon - Special Statement , Record Report
Rhode Island - Special Statement
South Dakota - Flood Warning , Areal Flood Watch
Texas - Tornado Warning , Tornado Watch , Tornado Watch , Severe Thunderstorm Warning , Severe Thunderstorm Warning , Flash Flood Warning , Flood Warning , Flash Flood Warning , Flood Warning, Flash Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Warning , Areal Flood Advisory, Flash Flood Watch , Coastal Hazard Statement, Flash Flood Watch , Flash Flood Watch , Special Statement , Hydrologic Statement , Record Report , Public Information Statement
Utah - Record Report , Public Information Statement
Washington - Special Statement , Record Report
Wyoming - Flood Warning , Areal Flood Warning , Areal Flood Advisory , Areal Flood Advisory, Flash Flood Watch , Areal Flood Watch , Flash Flood Watch , Record Report , Public Information Statement