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Colorado, Northeast Weld County

Flood Warning

Statement as of 9:37 PM MDT on May 21, 2015

Expires 2:00 AM EDT on May 27, 2015


The Flood Warning continues for
the South Platte river near Kersey.
* Until late Monday night... or until the stream falls below flood
stage.
* At 8:30 PM Thursday 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 10.9 feet by
early Sunday morning. The river will fall below flood stage Monday
evening.
* Impact... at 11.5 feet... southern sections of Hardin are flooded.
* Flood history... this crest compares to a previous crest of 11.0 feet
on may 31 1995.


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




937 PM MDT Thu may 21 2015

The Flood Warning continues for
the Cache la poudre river near Greeley.
* Until late Tuesday night... or until the stream falls below flood
stage.
* At 8:30 PM Thursday the stage was 8.4 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast... the river will continue rising to near 8.6 feet by
Sunday morning. The river will fall below flood stage Tuesday
evening.
* Flood history... this crest compares to a previous crest of 8.5 feet
on Jun 13 1997.


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




Public Information Statement

Statement as of 2:59 AM MDT on May 22, 2015


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

20-22 in 1959... a three-day rain caused some flooding in Metro
        Denver where rain totaled 1.68 inches at Stapleton Airport.
        Showers... accompanied by hail near Brighton... caused some
        damage to truck crops. Heavy snow in the foothills caused
        damage to power and telephone lines.
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.
21-22 in 1878... overnight heavy rains of cloudburst intensity on the
        Palmer Divide to the south of the city caused flash flooding
        on Cherry Creek in Denver... which resulted in 2 deaths. A
        wall of water swept through the city between 2:00 am and
        3:00 am on the morning of the 22nd. The flood was so sudden
        and unexpected that homes along the creek in the city were
        submerged in water Knee Deep before the slumbering occupants
        knew anything about it. By daybreak the banks on both sides
        of the creek were lined by residents viewing the destruction
        caused by the raging waters in such a short time. Seven
        bridges across the creek were destroyed in the city. Damage
        to private and city property was estimated between 30 and 50
        thousand dollars. Quite a number of cattle and sheep were
        killed along The Reach of the creek. Only 0.01 inch of rain
        fell in the city on the 21st with a trace of rain on the
        22nd. Flash flooding also occurred on Kiowa creek near
        Bennett on the night of the 21st when the flood waters
        washed out the Kansas Pacific Railroad bridge. An east
        bound freight train plunged into the turbulent waters
        killing the three crewmen. The locomotive was completely
        buried in the sand and never found to this day!
21-23 in 1876... snow changed to heavy rain over the city... resulting
        in widespread flooding along Cherry Creek and the South
        Platte river... nearly as great as the flash flood of may
        19-20... 1864. However... damage was greater because the city
        had grown much larger and there were more bridges for the
        flood waters to destroy. Precipitation in the city totaled
        6.70 inches from 10:00 PM on the 21st through 3:00 am on the
        23rd. The greatest precipitation ever recorded in Denver in
        24 hours... 6.53 inches... occurred on the 21st and 22nd. Small
        buildings and bridges along Cherry Creek were washed away
        by the flood waters. Bridges over the South Platte river
        were damaged. The city irrigation ditch was damaged and
        rendered unfit for service. Strong winds at speeds of 30
        to 40 mph drove the heavy rain through brick walls 12 to
        16 inches thick. Many sheep and cattle were either killed
        by lightning or drowned... including some 100 head of cattle
        in Jefferson County alone. There was immense damage to
        Railroad tracks... especially the Kansas Pacific line to the
        east of the city. The Colorado central suffered estimated
        damage of 10 to 15 thousand dollars. In addition... the
        heavy rain caused extensive flooding on soda and bear creeks
        in the foothills. Flooding along Boulder Creek inundated
        farm and pasture land in the Boulder Valley and damaged a
        few bridges. Rail travel had to be suspended in the area
        for several days.
22 in 1876... the most precipitation in Denver on any calendar
        day... 6.50 inches... occurred.
      In 1901... northeast winds were sustained to 41 mph with gusts
        to 45 mph.
      In 1903... west winds were sustained to 45 mph with gusts to
        55 mph from an apparent microburst... which produced a trace
        of rain.
      In 1976... the public reported 3/4 inch diameter hail and wind
        gusts to 53 mph near Littleton.
      In 1987... Golf Ball size hail fell in the lorretto heights
        area of south Metro Denver.
      In 1991... a tornado touched down briefly in Castle Rock. No
        injuries were reported.
      In 1993... an off duty National Weather Service employee
        reported hail up to Golf Ball size just west of the city
        of Denver in Jefferson County. Thunderstorm wind gusts
        reached 58 mph at Jefferson County Airport near Broomfield
        and 33 mph at Stapleton International Airport.
      In 1996... a severe thunderstorm pummeled northwest and
        northern sections of Metro Denver with large hail ranging
        in size from 3/4 to 2 inches in diameter. The cities of
        Arvada and Westminster were the hardest hit. The insurance
        Industry estimated 60 million dollars in damage to homes
        and personal property and 62 million dollars in damage to
        automobiles... for a total of 122 million dollars in insured
        losses. This estimate also included the cities of Golden...
        Thornton... and Wheat Ridge. This was the fourth worst
        hailstorm to hit Metro Denver in the last 10 years.
      In 1998... large hail fell across North Metro Denver. Hail
        as large as 1 1/2 inches in diameter was measured in
        Broomfield and Hudson. Hail to 1 1/4 inches fell in
        Roggen. Hail to 1 inch fell in Brighton... near Keenesburg...
        in Watkins... and in the city of Denver. Lightning ignited
        a house fire in ft. Lupton. A warehouse worker in Denver
        was injured when he was knocked off a loading dock by
        a lightning Bolt. The Bolt skipped off a nearby radio
        tower and struck him in The Arm. He was treated for
        numbness in his right arm and released.
      In 1999... severe thunderstorms produced 7/8 inch diameter
        hail over the city of Denver... with one inch diameter hail
        reported in Aurora... and 3/4 inch hail near Watkins.
      In 2006... a lightning strike sparked a fire and damaged the
        roof of a recreation center in Evergreen. The fire spread
        into some brush and consumed about one quarter acre before
        it was extinguished. Severe thunderstorms produced strong
        wind gusts across portions of Metro Denver. Winds gusted
        to 72 mph in Georgetown... 62 mph near Parker and Bennett...
        60 mph in Castle Rock... and 59 mph in Longmont. The winds
        caused no reportable damage. A thunderstorm produced
        southwest wind gusts to 52 mph at Denver International
        Airport.
      In 2008... a powerful tornado swept north-northwestward across
        Weld County... carving a path of destruction nearly 39 miles
        in length. The tornado... up to one-mile wide at times...
        initially touched down northeast of Platteville and finally
        lifted 6 miles west-northwest of Wellington. A tornado
        assessment in the aftermath of the tornado revealed
        extensive areas of damage. On the Enhanced Fujita scale...
        there were pockets of EF3 damage near the missle silo park
        campground and to businesses and a home in eastern Windsor.
        Farmers reported extensive damage to crops and irrigation
        equipment. There was one fatality and 78 injuries...
        ranging from broken bones to minor cuts and lacerations.
        One man was killed when he tried to escape a trailer park
        in his motor home. Tractor trailers were flipped along
        U.S. Highway 85... and over 200 power poles were snapped or
        blown down. Approximately 60000 people were left without
        electricity. The tornado overturned 15 Railroad cars and
        destroyed a lumber car. The tornado also flattened the
        main feedlot in Windsor and destroyed a Dairy barn. Most
        of the 400 cows were killed in the tornado or destroyed
        later. The thunderstorm also produced hail up to the size
        of baseballs. Another tornado from a separate thunderstorm...
        rated an EF1... briefly touched down near Dacono and
        destroyed 5 buildings. The tornado overturned a five-wheel
        trailer and injured a man sitting inside. Preliminary
        estimates from fema indicated 850 homes were damaged... and
        nearly 300 homes were significantly damaged or destroyed.
        The poudre valley rural electric associated reported $1
        million of damage to electric transmission lines.
        Privately insured damages totaled $147 million... making it
        the state's 4th costliest disaster. Large hail up to 1 1/2
        inches in diameter... was reported in the vicinities of
        Golden and Longmont.
      In 2014... a severe thunderstorm Denver area produced nickel
        to quarter size hail in parts of west Denver and near
        Bennett. Locally heavy rainfall produced some minor
        street flooding in parts of Metro Denver. The heavy
        rainfall produced localized flash flooding near Bennett.
        Rainfall totaled 0.54 inches at Denver International
        Airport.
22-23 in 1933... high winds and gales overnight caused considerable
        damage in and near the city. Much greenhouse glass was
        broken... which caused damage to sheltered plants. Great
        numbers of plants growing in the open were damaged or
        killed by wind-driven sand and soil. Fields were eroded
        by the wind and a few trees were uprooted. West winds
        were sustained to 38 mph with gusts as high as 65 mph
        in downtown Denver on the 22nd.


Weather Severe Map
Alabama - Record Report
Alaska - Areal Flood Warning , Areal Flood Advisory, Areal Flood Watch , Areal Flood Watch , Areal Flood Advisory , Fire Weather Warning , Special Statement , Record Report
Arizona - Fire Weather Warning
Arkansas - Flood Warning , Flash Flood Watch , Flood Advisory , Record Report
California - Wind Advisory , Record Report
Colorado - Flood Warning , Public Information Statement
Connecticut - Frost Advisory , Special Statement
Delaware - Public Information Statement
Florida - Record Report , Public Information Statement
Georgia - Record Report , Public Information Statement
Illinois - Record Report
Indiana - Record Report
Iowa - Public Information Statement
Kansas - Record Report , Public Information Statement
Kentucky - Record Report , Public Information Statement
Louisiana - Flood Warning
Maine - Freeze Watch , Public Information Statement
Maryland - Frost Advisory , Public Information Statement
Massachusetts - Freeze Watch , Freeze Warning
Michigan - Public Information Statement
Minnesota - Flood Warning , Public Information Statement
Mississippi - Flood Warning , Record Report
Missouri - Flood Warning , Record Report
Montana - Lake Wind Advisory
Nebraska - Flood Warning , Flood Advisory , Record Report , Public Information Statement
New Hampshire - Freeze Watch
New Jersey - Special Statement , Public Information Statement
New Mexico - Fire Weather Warning , Record Report
New York - Frost Advisory , Freeze Warning , Special Statement , Public Information Statement
North Carolina - Public Information Statement
Ohio - Frost Advisory , Freeze Warning
Oklahoma - Flood Warning , Areal Flood Warning , Areal Flood Warning , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Record Report
Oregon - Flash Flood Watch , Record Report
Pennsylvania - Frost Advisory , Freeze Warning , Public Information Statement
South Carolina - Public Information Statement
South Dakota - Flood Warning
Tennessee - Record Report
Texas - Flood Warning , Flash Flood Warning , Areal Flood Warning , Areal Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Advisory , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Record Report
Vermont - Freeze Warning , Frost Advisory , Public Information Statement
Washington - Flash Flood Watch , Record Report
West Virginia - Frost Advisory
Wisconsin - Public Information Statement
Wyoming - Flood Warning