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000
NOUS45 KBOU 070859
PNSBOU
COZ030>051-072300-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT FRI JUN 7 2013

...TODAY IN METRO DENVER WEATHER HISTORY...

2-7   IN 1921...HEAVY RAINFALL FOR NEARLY A WEEK...ON TOP OF STREAMS
        ALREADY SWOLLEN BY MOUNTAIN SNOWMELT...PRODUCED WIDESPREAD
        FLOODING OVER THE SOUTH PLATTE RIVER BASIN...INCLUDING THE
        TRIBUTARIES THROUGH THE CANYONS TO THE WEST AND SOUTHWEST
        OF DENVER.  HEAVY RAINFALL OVER THE 6-DAY PERIOD TOTALED
        3.36 INCHES IN BOULDER...4.98 INCHES IN MORRISON...4.27 INCHES
        IN CASTLE ROCK...AND 2.94 INCHES IN THE CITY OF DENVER.
        RAINFALL AMOUNTS IN THE FOOTHILLS WERE ESTIMATED BETWEEN
        3 AND 6 INCHES.  THE NARROW-GAGE TRACKS OF THE COLORADO AND
        SOUTHERN RAILROAD WERE DESTROYED IN THE PLATTE CANYON.  FROM
        THE MOUTH OF THE CANYON THROUGH THE CITY TO NEAR BRIGHTON...
        THE RIVER SPREAD FROM 1/2 TO NEARLY 1 1/2 MILES WIDE...
        FLOODING FARM AND PASTURE LAND AND DESTROYING OR DAMAGING
        MANY BRIDGES.  IN THE CITY...MANY BUSINESSES ALONG WITH AS
        MANY AS 500 HOMES WERE INUNDATED...FORCING THEIR EVACUATION.
        BRIDGES WERE SWEPT AWAY.  THE HIGH WATERS FLOODED THE RAIL
        YARDS AND STOCK YARDS IN LOWER DOWNTOWN...CLOSING THREE
        ADJACENT PACKING HOUSES.  THE HEAVY RAINS ALSO CAUSED
        FLOODING ON BOULDER CREEK IN BOULDER ON THE 6TH.
6-7   IN 2004...A BRIEF HOT SPELL PRODUCED 3 TEMPERATURE RECORDS.
        HIGH TEMPERATURES OF 95 DEGREES ON THE 6TH AND 98 DEGREES
        ON THE 7TH WERE RECORD MAXIMUM TEMPERATURES FOR THE DATES.
        LOW TEMPERATURE OF 68 DEGREES ON THE 7TH WAS A RECORD HIGH
        MINIMUM FOR THE DATE.
      IN 2007...AN UNUSUALLY STRONG STORM SYSTEM BROUGHT VERY STRONG
        WINDS TO THE FRONT RANGE FOOTHILLS AND URBAN CORRIDOR.
        PEAK GUSTS INCLUDED:  92 MPH AT BOULDER...85 MPH...2 MILES
        SOUTHWEST OF BOULDER...83 MPH...10 MILES SOUTH OF BOULDER AND
        55 MPH AT DENVER INTERNATIONAL AIRPORT.  HIGH WINDS FORCED
        THE CLOSURE OF MT. EVANS ROAD AND TRAIL RIDGE ROAD.  SEVERAL
        TREES WERE UPROOTED ACROSS THE URBAN CORRIDOR.  IN AURORA...
        THE DRIVER OF A CAR WAS INJURED WHEN SOME BUILDING MATERIAL
        BLEW OFF THE FITZSIMMONS COMPLEX.  THE DEBRIS LANDED ON THE
        CAR AND KNOCKED THE DRIVER UNCONCIOUS.  THE WIND FORCED THE
        CANCELLATION OF 60 FLIGHTS AT DENVER INTERNATIONAL AIRPORT.
        XCEL REPORTED OUTAGES IN BOULDER...DENVER...LAKEWOOD AND
        LONGMONT.
7     IN 1904...A THUNDERSTORM PRODUCED SOUTH WINDS TO 40 MPH WITH
        GUSTS TO 50 MPH...BUT ONLY A TRACE OF RAIN.
      IN 1942...HEAVY THUNDERSTORM RAINFALL IN SOUTH DENVER CAUSED
        FLOODING OF SHOPS...STALLED MOTORISTS...AND HALTED TRAMWAY
        SERVICE TEMPORARILY.  LIGHTNING DAMAGED HOUSES...BUT THERE
        WAS NO LOSS OF LIFE.  PRECIPITATION TOTALED 0.53 INCH IN
        DOWNTOWN DENVER.
      IN 1951...A 24X65 FOOT ROOF OF A COW BARN WAS LIFTED OFF THE
        BUILDING AND BLOWN TO THE GROUND BY A "TWISTER" NEAR FORT
        LUPTON.
      IN 1961...SMALL HAIL AND HEAVY RAIN DAMAGED PROPERTY AND CROPS
        IN SOUTHWEST METRO DENVER...INCLUDING THE SOUTHWEST SECTION
        OF THE CITY...LAKEWOOD...AND LITTLETON.  PRECIPITATION TOTALED
        1.20 INCH...11 MILES SOUTHWEST OF STAPLETON AIRPORT.
        COMPLETE PRIMARY AND SECONDARY RAINBOWS WERE SIGHTED BY
        NATIONAL WEATHER SERVICE OBSERVERS AT STAPLETON AIRPORT.
      IN 1968...SEVERE THUNDERSTORMS MOVING TO THE NORTHEAST
        THROUGH SECTIONS OF DENVER CAUSED LOCAL FLOODING OF STREETS
        AND DAMAGE TO TREES AND GARDENS FROM HAIL 1/2 TO 1 3/4
        INCHES IN DIAMETER.  ONE MAN WAS KILLED AND 2 WERE INJURED
        AT THE WELLSHIRE GOLF COURSE WHEN LIGHTNING STRUCK A TREE
        UNDER WHICH THEY HAD TAKEN SHELTER.  AT ANOTHER GOLF COURSE...
        A MAN WAS MORTALLY INJURED BY LIGHTNING.  MARBLE TO GOLF
        BALL SIZE HAIL FELL OVER DOWNTOWN DENVER.  HAIL TO 3/4 INCH
        IN DIAMETER WAS MEASURED IN WESTMINSTER.
      IN 1975...HAIL UP TO 3/4 INCH DIAMETER FELL IN BOULDER.
      IN 1978...A MAN STANDING UNDER A TREE ON A GOLF COURSE IN
        DENVER WAS STRUCK IN THE ARM BY LIGHTNING.   WIND GUSTS TO
        60 MPH AND GOLF BALL SIZE HAIL PELTED WEST AND SOUTH
        DENVER.
      IN 1986...7/8 INCH HAIL WAS MEASURED IN LAFAYETTE.
      IN 1990...A THIN...ROPE-SHAPED TORNADO TOUCHED DOWN EAST OF THE
        INTERSECTION OF STATE HIGHWAY 2 AND 96TH AVENUE JUST NORTH
        OF THE ROCKY MOUNTAIN ARSENAL.  NO DAMAGE WAS REPORTED.
      IN 1992...A THUNDERSTORM WIND GUST TO 60 MPH WAS RECORDED IN
        BOULDER.  A FUNNEL CLOUD WAS SIGHTED BY A HIGHWAY PATROL
        OFFICER JUST NORTHWEST OF STAPLETON INTERNATIONAL AIRPORT
        WHERE THUNDERSTORM WINDS GUSTED TO 51 MPH.  SPOTTERS AND
        STATE PATROL OFFICERS REPORTED FUNNEL CLOUDS IN THE
        NORTHWESTERN PART OF METRO DENVER...NEAR GOLDEN...AND 7 MILES
        NORTHWEST OF STAPLETON INTERNATIONAL AIRPORT.
      IN 1993...NON-CONVECTIVE HIGH WINDS PUMMELED THE FRONT RANGE
        FOOTHILLS DURING THE LATE MORNING AND AFTERNOON.  SPEEDS OF
        60 TO 80 MPH WERE COMMON.  THE WINDS CAUSED SEVERAL POWER
        OUTAGES AS WELL AS UPROOTING TREES.  IN LAFAYETTE...A 4-YEAR-
        OLD BOY WAS SLIGHTLY INJURED WHILE STANDING ON THE ROOTS OF
        A LARGE TREE WHICH WAS TOPPLED BY THE WINDS.  THE BOY FELL
        10 FEET TO THE GROUND AND WAS BRUISED AND SCRAPED.  A TREE
        FELL ONTO A PARKED CAR IN BOULDER...CAUSING ABOUT 35 HUNDRED
        DOLLARS IN DAMAGE.  WEST WIND GUSTS TO 41 MPH WERE RECORDED
        AT STAPLETON INTERNATIONAL AIRPORT WHERE A THUNDERSTORM
        PRODUCED 1/8 INCH HAIL AT DAYBREAK.
      IN 1995...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL ACROSS
        WEST AND NORTH METRO DENVER FROM GOLDEN TO WESTMINSTER
        AND FORT LUPTON.  HAIL RANGED IN SIZE FROM 3/4 TO 2 INCHES
        IN DIAMETER.  THE LARGEST HAIL FELL IN FORT LUPTON.  A WEAK
        TORNADO PRODUCED A BRIEF DUST AND DEBRIS CLOUD IN A CORN
        FIELD 3 MILES NORTHEAST OF HUDSON.
      IN 1997...TWO PLUMBERS WERE INJURED...ONE CRITICALLY...WHEN
        LIGHTNING STRUCK A PIPE ON WHICH THEY WERE WORKING IN
        AN APARTMENT BUILDING UNDER CONSTRUCTION IN DENVER.  THE
        BOLT APPARENTLY HIT ONE MAN IN THE HAND...PASSED THROUGH
        HIS CHEST...AND STRUCK THE OTHER WORKER.  THE CRITICALLY
        INJURED MAN...DIED A FEW DAYS LATER.  LIGHTNING ALSO
        INJURED A MAN...WHILE HE WAS TALKING ON A TELEPHONE IN
        WARD.  THE BOLT PASSED THROUGH THE PHONE LINE BURNING
        HIS EAR.
      IN 2001...HAIL AS LARGE AS 7/8 INCH IN DIAMETER FELL IN
        WESTMINSTER.
      IN 2009...SEVERE THUNDERSTORMS IN DENVER AND THE
        SURROUNDING METROPOLITAN AREA PRODUCED FIVE TORNADOES...
        LARGE HAIL...UP TO 3 INCHES IN DIAMETER...AND DAMAGING
        THUNDERSTORM WINDS.  THE TORNADO THAT PRODUCED THE MOST
        SIGNIFICANT DAMAGE TOUCHED DOWN IN SOUTHEAST AURORA...
        SOUTH OF BUCKLEY AIRPORT; IT MOVED SOUTH-SOUTHEAST
        ACROSS OPEN FIELDS...SOME RESIDENTIAL AREAS AND DAMAGED
        SOUTHLANDS MALL.  IT WAS 100 YARDS WIDE WITH A STORM
        TRACK OF APPROXIMATELY 5 1/2 MILES.  SOUTHLANDS MALL HAD
        SOME ROOF AND WINDOW DAMAGE...AS WELL AS WALL DAMAGE TO
        ONE OF ITS RESTURANTS.  SOUTH OF THE MALL...LOWE`S
        RECEIVED SOME ROOF DAMAGE; LIGHTWEIGHT SHEDS AND OTHER
        STRUCTURES WERE ALSO DESTROYED.  NUMEROUS HOMES AND
        APARTMENTS SUFFERED WINDOW DAMAGE...MINOR ROOF DAMAGE AND
        THERE WERE A FEW BROKEN GARAGE DOORS. ONE RESIDENT...NORTH
        OF THE MALL...WAS INJURED WHEN HE WAS SWEPT OFF HIS PORCH
        WHILE ATTEMPTING TO PHOTOGRAPH THE TORNADO.  HE WAS FOUND
        UNCONCIOUS AND BLEEDING IN HIS FRONT YARD...WITH A
        DISLOCATED SHOULDER...AN INJURED NECK...AND NUMEROUS OTHER
        INJURIES.  IN ADDITION...THE TORNADO FLIPPED A TRAILER HOME.
        A MAN INSIDE THE TRAILER SUFFERED MINOR INJURIES.  IN PARTS
        OF AURORA AND CENTENNIEL...THUNDERSTORM WINDS BLEW DOWN
        POWER LINES AND CAUSED ELECTRICAL OUTAGES.  APPROXIMATELY
        8000 HOMES AND BUSINESSES WERE WITHOUT POWER FOR NEARLY
        TWO HOURS.  EARLIER IN THE DAY...A TORNADO TOUCHED DOWN
        ABOUT 6 MILES NORTHWEST OF NORTHGLENN AND CAUSED MINOR
        DAMAGE.  IT`S PATH COVERED APPROXIMATELY 1/2 MILE.
        SEVERAL TREES WERE DOWNED IN AN OPEN FIELD.  THE TORNADO
        ALSO DAMAGED A METAL FENCE AND CAUSED MINOR ROOF DAMAGE
        TO A NEARBY RESIDENCE.  THE THIRD TORNADO TOUCHED DOWN 7
        MILES EAST-NORTHEAST OF BUCKLEY AIR FIELD AND FLIPPED A
        SEMI-TRAILER AS IT PASSED OVER INTERSTATE 70.  LASTLY...
        TWO TORNADOES TOUCHED DOWN IN NORTHWEST ELBERT
        COUNTY.  ONE TORNADO DAMAGED SEVERAL OUTBUILDINGS...A
        RESIDENCE...AND DOWNED SEVERAL TREES.  IN ADDITION...
        SEVERAL HORSES WERE INJURED BY FLYING METAL DEBRIS.
        THE OTHER TORNADO TOUCHED DOWN IN OPEN COUNTRY. THIS
        DAY WAS THE FIRST IN THE SERIES OF EIGHT TO CAUSE
        DAMAGE ALONG THE URBAN CORRIDOR.  DAMAGE TO HOMES AND
        PROPERTY ALONG THE FRONT RANGE TOTALED $161 MILLION
        DURING THE 8-DAY SPAN.  THE MAJORITY OF THE PROPERTY
        DAMAGE WAS CAUSED BY HAIL; 21000 AUTOMOBILE CLAIMS
        AND 13000 HOMEOWNER CLAIMS WERE FILED.
7-9   IN 1979...RAIN...AT TIMES WITH THUNDER ON THE 7TH...FELL ALMOST
        CONTINUOUSLY THROUGH THE MORNING OF THE 9TH.  RAINFALL
        TOTALED 2.28 INCHES AT STAPLETON INTERNATIONAL AIRPORT
        OVER THE 3 DAYS.  HIGH TEMPERATURE OF ONLY 49 DEGREES ON
        THE 8TH WAS A RECORD LOW MAXIMUM FOR THE DATE.

$$