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000
NOUS45 KBOU 080859
PNSBOU
COZ030>051-082300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
259 AM MDT FRI MAY 08 2009
...TODAY IN METRO DENVER WEATHER HISTORY...
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.
7-8 IN 1958...RAINFALL TOTALED 2.50 INCHES AT STAPLETON AIRPORT.
8 IN 1873...A VERY LIGHT RAIN FELL UNTIL 5:00 AM...WHEN IT
TURNED INTO LIGHT SNOW AND SLEET AND WAS ACCOMPANIED BY
BRISK NORTHEAST WINDS. THE SNOW FROZE AS IT FELL...
BREAKING THE TELEGRAPH LINES IN MANY PLACES.
PRECIPITATION TOTALED ONLY 0.14 INCH IN THE CITY.
IN 1883...A SEVERE RAIN AND HAILSTORM STRUCK THE CITY. IN
25 MINUTES THE HAIL WAS 5 INCHES DEEP IN THE VICINITY OF
THE WEATHER OFFICE IN DOWNTOWN DENVER AND REPORTED AS
DEEP AS 10 TO 12 INCHES IN OTHER PARTS OF THE CITY.
GUTTERS WERE BLOCKED BY THE HAIL...AND MANY CELLARS WERE
FLOODED. PRECIPITATION FROM THE STORM WAS 1.90 INCHES
WITH THE TOTAL FOR THE DAY RECORDED AT 2.02 INCHES. THE
SIZE OF THE HAIL WAS NOT RECORDED.
IN 1988...A WIND GUST TO 68 MPH WAS RECORDED AT ECHO LAKE.
NORTHWEST WINDS GUSTED TO 35 MPH AT STAPLETON AIRPORT.
IN 1995...HIGH WINDS OF UNKNOWN STRENGTH BLEW A CAMPER SHELL
FROM THE BACK OF A PICKUP TRUCK NEAR FORT LUPTON. NORTH
WINDS GUSTED TO 49 MPH AT DENVER INTERNATIONAL AIRPORT.
IN 1996...1 TO 2 INCH DIAMETER HAIL WAS MEASURED IN
LOCHBUIE NORTHEAST OF DENVER. BEAN SIZE HAIL FELL IN
BRIGHTON. THE LARGE HAIL FELL FROM SEVERE THUNDERSTORMS
TO THE NORTHEAST OF METRO DENVER.
IN 2003...TORNADOES TOUCHED DOWN BRIEFLY NEAR BRIGHTON...
WATKINS...AND STRASBURG...BUT DID NO REPORTED DAMAGE.
HAIL TO 3/4 INCH IN DIAMETER WAS MEASURED NEAR HUDSON.
8-9 IN 1957...INTENSE HEAVY RAIN CAUSED FLASH FLOODING ON TOLL
GATE CREEK IN AURORA WHERE 3 PEOPLE WERE KILLED IN A CAR.
UP TO 4 INCHES OF RAIN FELL IN 5 HOURS IN THE TOLL GATE
CREEK BASIN. THE RAIN ALSO CAUSED FLASH FLOODING ON SAND
CREEK IN AURORA AND DENVER. RAINFALL TOTALED 3.29 INCHES
AT STAPLETON AIRPORT WITH MOST OF THE RAIN...2.34 INCHES...
OCCURRING ON THE 9TH.
8-10 IN 1979...4.3 INCHES OF SNOW FELL AT STAPLETON INTERNATIONAL
AIRPORT WHERE NORTHWEST WINDS GUSTED TO 30 MPH ON THE 8TH.
MOST OF THE SNOWFALL...2.3 INCHES...OCCURRED ON THE 9TH.
HIGH TEMPERATURE OF ONLY 35 DEGREES ON THE 9TH EQUALED THE
RECORD LOW MAXIMUM FOR THE DATE.
$$
