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000
NOUS45 KBOU 040859
PNSBOU
COZ030>051-042300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
259 AM MDT MON MAY 04 2009
...TODAY IN METRO DENVER WEATHER HISTORY...
1-5 IN 1898...SNOWFALL TOTALED 15.5 INCHES IN DOWNTOWN DENVER.
MOST OF THE SNOW...6.2 INCHES...FELL ON THE 3RD. MOST OF
THE SNOW MELTED AS IT FELL. THE GREATEST SNOW DEPTH ON
THE GROUND WAS ONLY 2.5 INCHES ON THE 3RD AT 8:00 PM.
THIS WAS THE ONLY SNOWFALL DURING THE MONTH. NORTHEAST
WINDS WERE SUSTAINED TO 22 MPH ON THE 1ST.
2-4 IN 1987...A SLOW MOVING STORM BROUGHT RAIN...WIND...AND SNOW
TO METRO DENVER. RAINFALL TOTALED 1.04 INCHES AT
STAPLETON INTERNATIONAL AIRPORT WHERE NORTH WINDS GUSTED
TO 48 MPH ON THE 3RD. THE FOOTHILLS RECEIVED 5 TO 10 INCHES
OF SNOW.
2-5 IN 2001...A VERY SLOW MOVING PACIFIC STORM SYSTEM BECAME PARKED
NEAR THE FOUR CORNERS REGION...WHICH ALLOWED HEAVY SNOW TO
DEVELOP ABOVE 6500 FEET IN THE FOOTHILLS WITH A MIX OF RAIN
AND SNOW OVER LOWER ELEVATIONS OF METRO DENVER. SNOWFALL
TOTALS INCLUDED: 21 INCHES ATOP CROW HILL AND AT IDAHO
SPRINGS; 19 INCHES NEAR BLACKHAWK; AND 18 INCHES IN COAL
CREEK CANYON...GENESEE...AND 11 MILES SOUTHWEST OF MORRISON.
SNOWFALL TOTALED 6.2 INCHES AT THE SITE OF THE FORMER
STAPLETON INTERNATIONAL AIRPORT. PRECIPITATION (RAIN AND
MELTED SNOW) TOTALED 2.09 INCHES AT DENVER INTERNATIONAL
AIRPORT WHERE NORTH WINDS GUSTED TO 30 MPH ON THE 2ND.
3-5 IN 1908...RAIN CHANGED TO SNOW ON THE EVENING OF THE 3RD
AND CONTINUED THROUGH THE EARLY EVENING OF THE 5TH.
SNOWFALL TOTALED 10.0 INCHES OVER DOWNTOWN DENVER.
THIS WAS THE LAST MEASURABLE SNOW OF THE SEASON.
PRECIPITATION TOTALED 1.51 INCHES. NORTH WINDS WERE
SUSTAINED TO 23 MPH ON THE 3RD...33 MPH ON THE 4TH...AND
21 MPH ON THE 5TH. THREE TEMPERATURE RECORDS WERE SET.
HIGH TEMPERATURES OF 30 DEGREES ON THE 4TH AND 38 DEGREES
ON THE 5TH WERE RECORD LOW MAXIMUM TEMPERATURES FOR THE
DATES. THE READING ON THE 4TH WAS ALSO THE ALL-TIME
RECORD LOW MAXIMUM FOR THE MONTH OF MAY.
IN 2007...A SLOW MOVING PACIFIC STORM SYSTEM...FROM THE
DESERT SOUTHWEST...BROUGHT A PERIOD OF UNSETTLED WEATHER
TO THE REGION. DURING THE 3-DAY PERIOD...LOCALLY HEAVY
SNOW WAS REPORTED OVER PARTS OF THE FRONT RANGE FOOTHILLS.
STORM TOTALS INCLUDED: 15 INCHES NEAR CONIFER...14.5
INCHES WEST OF JAMESTOWN...13.5 INCHES; 6 MILES SOUTHWEST
OF EVERGREEN...AND 12.5 INCHES AT PINE JUNCTION. SEVERE
THUNDERSTORMS...PRODUCING LARGE HAIL...UP TO ONE INCH IN
DIAMETER WERE OBSERVED IN THE VICINITY OF BOULDER AND
HUDSON. LIGHTNING STRUCK A RESIDENCE IN JEFFERSON COUNTY.
THE ROOF WAS HIT...CAUSING THE ATTIC TO CATCH FIRE.
AT DENVER INTERNATIONAL AIRPORT...LIGHTNING STRUCK A
UNITED AIRLINES JET AS IT WAS PUSHING AWAY FROM
THE GATE. THE PASSENGERS WERE TAKEN OFF THE JET AND PUT
ON ANOTHER PLANE.
4 IN 1893...NORTHWEST WINDS WERE SUSTAINED TO 42 MPH.
IN 1971...A FUNNEL CLOUD WAS SIGHTED 10 MILES SOUTHWEST
OF BOULDER. HAIL STONES TO 1 INCH IN DIAMETER FELL IN
SOUTHEAST DENVER...BUT CAUSED ONLY MINOR DAMAGE.
IN 2006...A SEVERE THUNDERSTORM PRODUCED HAIL TO 1.00 INCH
IN DIAMETER IN AURORA NEAR CHERRY CREEK RESERVOIR.
4-5 IN 1986...HIGH WINDS BUFFETED THE FOOTHILLS. WIND SPEEDS OF
60 TO 75 MPH WERE RECORDED IN BOULDER. AT STAPLETON
INTERNATIONAL AIRPORT...WEST WINDS GUSTED TO 45 MPH ON THE
4TH AND TO 40 MPH ON THE 5TH.
IN 2000...A BRIEF WARM SPELL RESULTED IN SETTING TWO DAILY
HIGH TEMPERATURE RECORDS. THE TEMPERATURE CLIMBED TO
HIGHS OF 87 DEGREES ON THE 4TH AND 89 DEGREES ON THE 5TH.
4-8 IN 1969...HEAVY RAINS CAUSED FLOODING ON BOULDER CREEK
IN BOULDER...WHICH RESULTED IN ONE DEATH ON THE 7TH.
FLOODING ALSO OCCURRED ON BEAR CREEK IN SHERIDAN AND
ON THE SOUTH PLATTE RIVER IN DENVER. RAIN OVER MOST
OF THE EASTERN FOOTHILLS STARTED LATE ON THE 4TH AND
CONTINUED WITH ONLY BRIEF INTERRUPTIONS IN MANY AREAS
UNTIL THE MORNING OF THE 8TH. VERY HIGH RATES OF
RAINFALL OCCURRED ON THE 6TH AND 7TH WITH THE GREATEST
INTENSITIES IN A BAND ALONG THE FOOTHILLS FROM ABOUT 25
MILES SOUTHWEST OF DENVER NORTHWARD TO ESTES PARK. STORM
TOTALS BY BOTH OFFICIAL AND UNOFFICIAL MEASUREMENTS
EXCEEDED 10 INCHES OVER MUCH OF THIS AREA AND WERE OVER 12
INCHES IN SOME LOCALITIES. HEAVY SNOW FELL IN THE HIGHER
MOUNTAINS AND IN THE FOOTHILLS LATER IN THE PERIOD. THE
SATURATION OF THE SOIL RESULTED IN NUMEROUS ROCK AND LAND
SLIDES...AND THE HEAVY RUN-OFF CAUSED SEVERE DAMAGE ALONG
MANY STREAMS AND FLOODING ON THE SOUTH PLATTE RIVER. MANY
FOOTHILL COMMUNITIES WERE ISOLATED AS HIGHWAYS WERE BLOCKED
AND COMMUNICATIONS DISRUPTED. ROADS WERE SEVERELY DAMAGED
OVER A WIDE AREA...AND A LARGE NUMBER OF BRIDGES WASHED OUT.
MANY ROADS WERE CLOSED DUE TO THE DANGER FROM FALLING
ROCKS. A BUILDING IN GEORGETOWN COLLAPSED FROM THE WEIGHT
OF HEAVY WET SNOW. IN BOULDER...A MAN DROWNED WHEN CAUGHT
BY THE FLOODING WATERS OF BOULDER CREEK...AND A PATROLMAN WAS
INJURED. RAINFALL TOTALED 7.60 INCHES IN BOULDER WITH
9.34 INCHES RECORDED AT THE PUBLIC SERVICE COMPANY ELECTRIC
PLANT IN BOULDER CANYON. IN MORRISON...RAINFALL TOTALED
11.27 INCHES IN 4 DAYS. HEAVY RAINFALL TOTALED 4.68 INCHES
AT STAPLETON INTERNATIONAL AIRPORT OVER 3 DAYS FROM THE 5TH
THROUGH THE 7TH. RAINFALL OF 3.14 INCHES WAS RECORDED IN 24
HOURS ON THE 6TH AND 7TH. DOWNSTREAM FLOODING CONTINUED
ALONG THE SOUTH PLATTE RIVER UNTIL THE 12TH WHEN THE FLOOD
CREST REACHED THE NEBRASKA LINE.
$$
