041
NOUS45 KBOU 180859
PNSBOU
COZ030>051-182300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT WED SEP 18 2019
..TODAY IN METRO DENVER WEATHER HISTORY
15-19 IN 1906...RAIN ON 5 CONSECUTIVE DAYS TOTALED 1.61 INCHES.
A THUNDERSTORM OCCURRED ON THE 17TH. HIGH TEMPERATURES
RANGED FROM 48 DEGREES ON THE 16TH TO 65 DEGREES ON THE
15TH. LOW TEMPERATURES WERE IN THE LOWER TO MID 40'S.
16-19 IN 1971...A RECORD BREAKING EARLY FALL SNOW STORM CAUSED
EXTENSIVE DAMAGE TO TREES AND UTILITY LINES. THE HEAVY WET
SNOW OCCURRED WITH LITTLE WIND...BUT CAUSED RECORD BREAKING
COLD TEMPERATURES FOR SO EARLY IN THE SEASON. SNOWFALL
TOTALED 15.6 INCHES AT STAPLETON INTERNATIONAL AIRPORT
WITH MOST OF THE SNOWFALL...12.0 INCHES...OCCURRING ON THE
17TH. THIS WAS THE HEAVIEST FIRST SNOW OF THE SEASON.
THE MAXIMUM SNOW DEPTH ON THE GROUND WAS 13 INCHES.
RECORD LOW TEMPERATURES WERE SET ON THREE CONSECUTIVE DAYS:
31 DEGREES ON THE 17TH...23 DEGREES ON THE 18TH...AND 20
DEGREES ON THE 19TH...WHICH WAS ALSO A NEW ALL-TIME RECORD
MINIMUM FOR THE MONTH AT THAT TIME. RECORD LOW MAXIMUM
TEMPERATURES WERE SET ON 4 CONSECUTIVE DAYS: 48 DEGREES
ON THE 16TH...35 DEGREES ON THE 17TH...40 DEGREES ON THE 18TH...
AND 42 DEGREES ON THE 19TH.
18 IN 1901...NORTHEAST WINDS WERE SUSTAINED TO 42 MPH WITH GUSTS
TO 50 MPH BEHIND AN APPARENT COLD FRONT.
IN 1948...THE LOW TEMPERATURE COOLED TO ONLY 69 DEGREES...THE
ALL-TIME RECORD HIGH MINIMUM FOR THE MONTH.
IN 1988...A STRONG COLD FRONT BLASTED METRO DENVER WITH
HIGH WINDS. GUSTS REACHED 82 MPH IN LONGMONT AND 81
MPH AT JEFFERSON COUNTY AIRPORT NEAR BROOMFIELD WHERE
THE WINDS FLIPPED OVER AND DESTROYED A SMALL AIRPLANE.
WIND GUSTS TO 60 MPH WERE RECORDED IN BOULDER AND WHEAT
RIDGE. WEST WIND GUSTS TO 54 MPH WERE CLOCKED AT STAPLETON
INTERNATIONAL AIRPORT. THE STRONG WINDS DOWNED TREES AND
POWER LINES AND DAMAGED HOMES AND CARS. A LONGMONT MAN WAS
SLIGHTLY INJURED...WHEN A TREE FELL ON TOP OF HIS CAR.
IN 1990...A SLOW MOVING THUNDERSTORM OVER SOUTHWEST METRO
DENVER SPAWNED AN OMINOUS LOOKING FUNNEL CLOUD NEAR THE
INTERSECTION OF SHERIDAN BLVD. AND U.S. HIGHWAY 285. THE
FUNNEL CLOUD NEARLY TOUCHED DOWN A FEW TIMES BEFORE LIFTING
BACK INTO THE MAIN CLOUD. NO DAMAGE WAS REPORTED. PEA TO
MARBLE SIZE HAIL AND 3/4 INCH OF RAIN FELL OVER CENTRAL AND
NORTHEAST DENVER. NUMEROUS STREETS AND UNDERPASSES BECAME
FLOODED ON DENVER'S SOUTH SIDE WHEN THE HEAVY RUNOFF
BACKED UP STORM SEWERS. THUNDERSTORM RAINFALL TOTALED
1.02 INCHES AT STAPLETON INTERNATIONAL AIRPORT.
IN 1993...A SEVERE THUNDERSTORM ROLLED THROUGH SOUTHEAST METRO
DENVER. DIME SIZE HAIL WAS REPORTED IN MANY AREAS.
STRAIGHT-LINE WINDS FROM THE THUNDERSTORM...MEASURED BY A
WEATHER SPOTTER AT 70 MPH...TORE THE ROOF OFF 6 APARTMENTS
OF AN APARTMENT COMPLEX IN AURORA. HEAVY RAIN WHICH
ACCOMPANIED THE WINDS CAUSED MAJOR DAMAGE TO THE
APARTMENTS AS WELL AS THE CONTENTS. MANY TREES...FENCES...
AND POWER POLES WERE KNOCKED DOWN BY THE STRONG WINDS.
HEAVY RAIN FLOODED ROADWAYS IN DENVER AND AURORA.
THUNDERSTORM RAINFALL TOTALED 1.08 INCHES AND NORTH WINDS
GUSTED TO 44 MPH AT STAPLETON INTERNATIONAL AIRPORT WHERE
THE VISIBILITY WAS BRIEFLY REDUCED TO AS LOW AS 1/4 MILE
IN HEAVY RAIN.
IN 1996...A LATE SUMMER SNOWSTORM STRUCK THE NORTHERN
MOUNTAINS AND FRONT RANGE EASTERN FOOTHILLS. GOLDEN
GATE CANYON RECEIVED 6 INCHES OF NEW SNOW WITH 5 INCHES
REPORTED AT BOTH NEDERLAND AND BLACKHAWK. THUNDERSTORMS
PRODUCED HEAVY RAIN ACROSS METRO DENVER...WHICH WAS MIXED
WITH SNOW BY LATE EVENING. RAINFALL TOTALED 0.83 INCH
AT THE SITE OF THE FORMER STAPLETON INTERNATIONAL AIRPORT
AND 1.22 INCHES AT DENVER INTERNATIONAL AIRPORT WHERE
NORTHWEST WINDS GUSTED TO 39 MPH.
18-19 IN 1955...HEAVY RAINS CAUSED FLASH FLOODING ACROSS PORTIONS OF
METRO DENVER. RAINFALL TOTALED 1.71 INCHES AT STAPLETON
AIRPORT.
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