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000
NOUS45 KBOU 040859
PNSBOU
COZ030>051-042300-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT TUE JUN 4 2013

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

1-4   IN 1977...UNUSUALLY WARM WEATHER FOR THIS EARLY IN JUNE
        RESULTED IN 3 MAXIMUM TEMPERATURE RECORDS BEING EQUALED
        AT THE TIME:  88 DEGREES ON THE 1ST...90 DEGREES ON THE 2ND...
        AND 93 DEGREES ON THE 4TH.  MAXIMUM OF 91 DEGREES ON THE
        3RD WAS NOT A RECORD.
2-4   IN 1989...HEAVY RAIN DRENCHED METRO DENVER WITH THE GREATEST
        AMOUNTS RECORDED ON THE 3RD.  TOTAL RAINFALL RANGED FROM
        1 1/2 TO 3 INCHES.  ROADS WERE WASHED OUT IN BOULDER COUNTY...
        AND FLOODED BASEMENTS CAUSED WATER DAMAGE TO HOUSES IN THE
        GUNBARREL SECTION OF BOULDER.  IN SUBURBAN DENVER...HEAVY
        RAIN CAUSED MINOR FLOODING ALONG LENA GULCH IN JEFFERSON
        COUNTY WHERE TWO MOBILE HOME PARKS WERE EVACUATED.
        RAINFALL TOTALED 1.66 INCHES AT STAPLETON INTERNATIONAL
        AIRPORT.
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.
3-4   IN 1904...A THUNDERSTORM DURING THE EARLY MORNING OF THE
        3RD TURNED INTO WIDESPREAD GENERAL RAIN...WHICH CONTINUED
        INTO THE EARLY AFTERNOON OF THE 4TH.  RAINFALL TOTALED
        2.04 INCHES.
4     IN 1878...A "WATERSPOUT" OR CLOUDBURST OF RAIN WAS SIGHTED
        UP THE SOUTH PLATTE CANYON AT AROUND NOON.  THE RESULTING
        HIGH WATERS ON THE SOUTH PLATTE RIVER SLIGHTLY DAMAGED A
        RAILROAD BRIDGE IN THE CITY.
      IN 1937...A TRACE OF SNOW FELL IN DOWNTOWN DENVER WHERE
        RAINFALL TOTALED 0.25 INCH.  MINIMUM TEMPERATURE OF 34
        DEGREES WAS A RECORD LOW FOR THE DATE.  NORTHEAST WINDS
        WERE SUSTAINED TO 22 MPH.
      IN 1951...THE START OF THE SECOND SHORTEST SNOW-FREE PERIOD
        ON RECORD...109 DAYS...OCCURRED WITH THE LAST SNOW OF THE
        SEASON...A TRACE...ON THE 3RD.  THE FIRST SNOW OF THE NEXT
        SEASON OCCURRED ON SEPTEMBER 21ST WHEN 4.2 INCHES OF SNOW
        FELL AT STAPLETON AIRPORT.
      IN 1954...A MICROBURST PRODUCED BRIEF SUSTAINED WINDS OF 40
        MPH WITH GUSTS AS HIGH AS 64 MPH AT STAPLETON AIRPORT.
      IN 1956...THE FAILURE OF THE GEORGETOWN DAM CAUSED DOWNSTREAM
        FLOODING ON CLEAR CREEK AT IDAHO SPRINGS AND GOLDEN.
      IN 1976...FUNNEL CLOUDS WERE SIGHTED NEAR BRIGHTON...ERIE...AND
        DACONO...ALL NORTH OF DENVER.  A TORNADO TOUCHED DOWN BRIEFLY
        1 1/2 MILES EAST OF LAFAYETTE.  ANOTHER TORNADO TOUCHED DOWN
        BRIEFLY AT HYLAND HILLS GOLF COURSE IN WESTMINSTER.  NO
        DAMAGE WAS REPORTED.
      IN 1983...SEVERE THUNDERSTORMS DURING THE AFTERNOON PRODUCED
        3/4 INCH HAIL IN SOUTH DENVER...GOLF BALL SIZE HAIL 5 MILES
        WEST OF PARKER...1 1/4 INCH HAIL IN LITTLETON...1 1/2 INCH
        HAIL IN SOUTH AURORA.
      IN 2001...HAIL AS LARGE AS 1 INCH IN DIAMETER FELL 17 MILES
        NORTH OF BENNETT IN ADAMS COUNTY.
      IN 2005...SNOW WAS MIXED WITH RAIN FOR NEARLY AN HOUR AT
        DENVER INTERNATIONAL AIRPORT DURING MID TO LATE MORNING.
        THE TEMPERATURE AT THE TIME WAS 45 DEGREES.  PRECIPITATION
        TOTALED 0.36 INCH FOR THE DAY.  NORTHWEST WINDS GUSTED
        TO 37 MPH.
      IN 2008...A SEVERE THUNDERSTORM PRODUCED LARGE HAIL...UP TO
        1 3/4 INCHES IN DIAMETER IN ARVADA...A NORTHWEST SUBURB OF
        DENVER.  SEVERAL VEHICLES WERE DAMAGED.  IN ADDITION...A
        SEVERE THUNDERSTORMS PRODUCED HAIL TO 1 INCH IN DIAMETER...
        10 MILES NORTHEAST OF MANILA...EAST OF DENVER INTERNATIONAL
        AIRPORT.
4-5   IN 1965...LIGHTNING AND AN 18-HOUR RAIN STORM DAMAGED STREETS
        AND ROADS AND TELEPHONE AND POWER LINES ACROSS METRO
        DENVER.  PRECIPITATION TOTALED 2.77 INCHES AT STAPLETON
        INTERNATIONAL AIRPORT WHERE THE VISIBILITY WAS REDUCED TO
        3 MILES AT TIMES FROM PRE-FRONTAL THUNDERSTORMS AND HEAVY
        UPSLOPE RAINS.
      IN 1998...A LATE SEASON SNOW STORM STRUCK THE FRONT RANGE
        FOOTHILLS.  UP TO 5 INCHES OF SNOW FELL IN COAL CREEK
        CANYON.  LIGHT SNOW ALSO FELL OVER WESTERN SECTIONS OF
        METRO DENVER AND BRIEFLY AT DENVER INTERNATIONAL AIRPORT.
        SNOW COVERED THE GRASS AT THE DENVER FEDERAL CENTER IN
        LAKEWOOD BEFORE MELTING AROUND MID-MORNING ON THE 5TH.
        NO SNOW FELL AT THE SITE OF THE FORMER STAPLETON
        INTERNATIONAL AIRPORT.  SEVERAL TEMPERATURE RECORDS
        WERE SET.  HIGH TEMPERATURES OF 47 DEGREES ON THE 4TH
        AND 49 DEGREES ON THE 5TH WERE RECORD LOW MAXIMUMS FOR
        THEIR RESPECTIVE DATES.  MINIMUM TEMPERATURE OF 34 DEGREES
        ON BOTH THE 5TH AND 6TH WERE RECORD LOWS FOR THOSE DATES.

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