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NOUS45 KBOU 100859
PNSBOU
COZ030>051-102300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT FRI MAY 10 2024
..TODAY IN METRO DENVER WEATHER HISTORY
8-10 IN 1979...FROM THE 8TH TO THE 10TH...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.
9-10 IN 1889...FROM THE 9TH TO THE 10TH...HEAVY RAINFALL TOTALED
2.15 INCHES IN DOWNTOWN DENVER. THE COLD RAIN WAS MIXED
WITH SNOW AT TIMES OVERNIGHT. TEMPERATURES ON THE 10TH
RANGED FROM A HIGH OF 38 DEGREES TO A LOW OF 32 DEGREES
WITH NORTH WINDS SUSTAINED TO 22 MPH.
IN 2003...A LATE SPRING SNOWSTORM HAMMERED THE MOUNTAINS...
EASTERN FOOTHILLS...AND URBAN CORRIDOR. THE HEAVIEST
SNOWFALL OCCURRED NORTH OF INTERSTATE 70. THE HEAVY
WET SNOW CAUSED DAMAGE TO TREES THROUGHOUT METRO DENVER
AND DOWNED POWER LINES. ABOUT 40 THOUSAND PEOPLE ALONG
THE URBAN CORRIDOR WERE WITHOUT POWER. STORM TOTAL
SNOWFALL AMOUNTS INCLUDED: 11.5 INCHES IN LOUISVILLE...
8 INCHES IN BOULDER AND BROOMFIELD; 7 INCHES IN
THORNTON...BROOMFIELD...AT DENVER INTERNATIONAL AIRPORT...
AND AT THE SITE OF THE FORMER STAPLETON INTERNATIONAL
AIRPORT; AND 6 INCHES 4 MILES EAST OF DENVER. SNOWFALL
RANGED FROM 4 TO 9 INCHES ACROSS EXTREME SOUTHERN WELD
COUNTY. IN THE FOOTHILLS...15 INCHES OF SNOW FELL NEAR
JAMESTOWN...9 INCHES AT ROLLINSVILLE AND RAWAH...WITH
8 INCHES AT CHIEF HOSA AND ATOP LOOKOUT MOUNTAIN.
THE SNOW WAS ACCOMPANIED BY THUNDER ON THE AFTERNOON
OF THE 9TH AT DENVER INTERNATIONAL AIRPORT WHERE WEST
WINDS GUSTED TO 25 MPH ON THE 9TH AND NORTH WINDS GUSTED
TO 22 MPH ON THE 10TH.
IN 2015...FROM THE 9TH TO THE 10TH...A STRONG STORM SYSTEM
BROUGHT HEAVY SNOW TO AREAS IN AND AROUND DENVER.
MODERATE TO HEAVY RAIN SHOWERS TRANSITIONED OVER TO
SNOW BY EARLY IN THE EVENING ON THE 9TH. HEAVY
WET SNOW OVERNIGHT CAUSED MANY TREES TO BREAK UNDER THE
PRESSURE OF THE SUDDEN WEIGHT. TREE DAMAGE RANGED FROM
MINOR TO SIGNIFICANT...WITH OLD GROWTH TREES LOSING
LARGE LIMBS AND NEW TREES SUSTAINING FATAL DAMAGE. POWER
OUTAGES AFFECTED ABOUT 43350 XCEL ENERGY CUSTOMERS IN
METRO DENVER. THE INTERMOUNTAIN RURAL ELECTRIC
ASSOCIATION ALSO REPORTED ABOUT 1000 POWER OUTAGES IN
THE STRASBURG AREAS. IN THE HIGH COUNTRY...CDOT SHUT
DOWN INTERSTATE 70 BETWEEN THE EISENHOWER TUNNEL AND
SILVERTHORNE DUE TO MULTIPLE CRASHES.
10 IN 1875...A WINDSTORM SAND-BLASTED THE CITY FROM 10:00 AM
UNTIL MIDNIGHT. NORTHWEST WINDS SUSTAINED TO 60 MPH
BROUGHT CLOUDS OF SAND...WHICH CAUSED HIGH DAMAGE TO
UNFINISHED BUILDINGS.
IN 1912...A VIGOROUS COLD FRONT PRODUCED STRONG NORTH WINDS
AND RAIN. NORTH WINDS WERE SUSTAINED TO 48 MPH WITH GUSTS
AS HIGH AS 60 MPH. RAINFALL TOTALED 1.10 INCH.
IN 1935...NO PRECIPITATION OCCURRED...MAKING THIS ONE OF
ONLY TWO DAYS WITHOUT PRECIPITATION DURING THE ENTIRE
MONTH. THE OTHER DAY WAS THE 21ST. PRECIPITATION
TOTALED 4.95 INCHES FOR THE MONTH.
IN 1956...NORTHWEST WINDS GUSTED TO 53 MPH AT STAPLETON
AIRPORT WHERE THE VISIBILITY WAS BRIEFLY REDUCED TO 1/2
MILE IN BLOWING DUST.
IN 1974...STRONG WINDS CAUSED 30 THOUSAND DOLLARS IN DAMAGE
TO A BUILDING UNDER CONSTRUCTION IN LAKEWOOD. MICROBURST
WINDS GUSTED TO 46 MPH AT STAPLETON INTERNATIONAL AIRPORT.
IN 1988...LIGHTNING STRUCK A HOUSE IN BOULDER...SETTING IT
AFIRE. THE HOUSE...VALUED AT 170 THOUSAND DOLLARS...WAS A
TOTAL LOSS.
IN 1989...GOLF BALL SIZE HAIL FELL OVER SOUTHEAST DENVER NEAR
THE JUNCTION OF I-25 AND I-225. HAIL TO 3/4 INCH IN
DIAMETER FELL OVER SOUTHEAST AURORA. ONLY 3/8 INCH HAIL
FELL AT STAPLETON INTERNATIONAL AIRPORT.
IN 1991...HIGH WINDS UP TO 63 MPH RAKED THE EASTERN FOOTHILLS.
WINDS ESTIMATED TO 50 MPH TORE A ROOF FROM A HOME IN
LAFAYETTE. A TOWER AT JEFFERSON COUNTY STADIUM IN WEST
METRO DENVER WAS BLOWN OVER BY THE HIGH WINDS. NO
INJURIES WERE REPORTED. SOUTHEAST WINDS GUSTING TO 48 MPH
AT STAPLETON INTERNATIONAL AIRPORT PRODUCED SOME BLOWING
DUST. THE TEMPERATURE CLIMBED TO A HIGH OF 86 DEGREES...
EQUALING THE RECORD MAXIMUM FOR THE DATE.
IN 2005...SEVERE THUNDERSTORMS PRODUCED HAIL AS LARGE AS
2 INCHES IN DIAMETER IN AND NEAR LONGMONT.
IN 2023...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL ACROSS
TO THE EASTERN AND SOUTHERN PORTIONS OF THE DENVER
METROPOLITAN AREA. THE HAIL RANGED IN SIZE FROM 1 TO 1 3/4
INCHES IN DIAMETER. ONE STORM DEVELOPED OVER SOUTH DENVER...
WHILE THE REST FORMED ALONG A LINE THE STRETCHED FROM
BUCKLEY AFB TO BETWEEN LONE TREE AND PARKER.
10-11 IN 1918...FROM THE 10TH TO THE 11TH...POST-FRONTAL SNOWFALL
TOTALED 4.7 INCHES IN DOWNTOWN DENVER. NORTHWEST WINDS
GUSTED TO 19 MPH ON THE 10TH.
IN 1923...FROM THE 10TH TO THE 11TH...WINDS WERE STRONG AND
GUSTY ON BOTH DAYS. NORTHWEST WINDS WERE SUSTAINED TO
40 MPH WITH GUSTS TO 44 MPH ON THE 10TH. NORTH WINDS
WERE SUSTAINED TO 39 MPH WITH GUSTS TO 46 MPH BEHIND AN
APPARENT COLD FRONT ON THE 11TH.
10-12 IN 2011...FROM THE 10TH TO THE 12TH...A SPRING SNOWSTORM
BROUGHT HEAVY SNOW TO THE FRONT RANGE FOOTHILLS AND
PALMER DIVIDE. STORM TOTALS INCLUDED: 18 INCHES...4
MILES SOUTH-SOUTHEAST OF PINECLIFFE; 16 INCHES IN COAL
CREEK CANYON; 15 INCHES...4 MILES WEST-SOUTHWEST OF
ELDORADO SPRINGS; 13 INCHES AT GOLD HILL...12 INCHES...4
MILES WEST-SOUTHWEST OF CONIFER AND 4 MILES NORTHWEST OF
ELIZABETH; 11.5 INCHES...6 MILES SOUTHWEST OF EVERGREEN AND
4 MILES EAST-NORTHEAST OF NEDERLAND; 11 INCHES...3 MILES
EAST OF JAMESTOWN AND 10.5 INCHES...3 MILES EAST OF
FRANKTOWN AND 3 MILES SOUTH OF GOLDEN AND 10 INCHES...10
MILES NORTH OF ELIZABETH. AT DENVER INTERNATIONAL AIRPORT...
1 INCH OF SNOWFALL WAS OBSERVED.
IN 2023...A SLOW MOVING STORM SYSTEM PRODUCED A PERIOD OF
MODERATE TO HEAVY RAINFALL ACROSS THE URBAN CORRIDOR...PALMER
DIVIDE AND ADJACENT PLAINS. A 24-HR DAILY RECORD OF 2.92 INCHES
OCCURRED AT DENVER INTERNATIONAL AIRPORT ON THE 11TH...WITH A
2-DAY TOTAL OF 3.75 INCHES ON THE 11-12TH...AND 3-DAY TOTAL OF
4.40 INCHES FROM THE 10-12TH. THE PROLONGED PERIOD OF RAINFALL
RESULTED IN FLOODING...FLASH FLOODING AND WASHED OUT ROADWAYS...
INCLUDING CHERRY CREEK STATE PARK AND THE NATIONAL WILDLIFE
REFUGE AT THE ROCKY MOUNTAIN ARSENAL. THREE-DAY RAINFALL
AMOUNTS SOUTH AND SOUTHEAST OF DENVER RANGED FROM 4.00 TO
7.00 INCHES. IN THE FRONT RANGE WEST OF DENVER...ABOVE 10
THOUSAND FEET...HEAVY WET SNOWFALL RANGED FROM 1 TO 2 FEET.
THE 3-DAY EVENT PROPELLED DENVER INTO 4TH PLACE FOR RAINFALL
IN MONTH OF MAY...WITH A TOTAL OF 5.53 INCHES.
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