932
NOUS45 KBOU 110859
PNSBOU
COZ030>051-112300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT MON MAY 11 2026
..TODAY IN METRO DENVER WEATHER HISTORY
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.
11 IN 1879...AN APPARENT COLD FRONT DURING THE AFTERNOON PRODUCED
SUSTAINED NORTH WINDS AS HIGH AS 60 MPH AND GREAT CLOUDS OF
BLOWING DUST. THE DUST FILLED THE AIR UNTIL THE THUNDERSTORM
RAIN BEGAN...WHICH PRODUCED 1.46 INCHES OF RAINFALL. THE RAIN
ENDED DURING THE EVENING.
IN 1900...SOUTHWEST WINDS WERE SUSTAINED TO 40 MPH WITH GUSTS
TO 46 MPH.
IN 1958...A MICROBURST CAUSED A BRIEF WIND GUST TO 55 MPH AT
STAPLETON AIRPORT.
IN 1963...SOUTH-SOUTHWEST WINDS GUSTED TO 48 MPH AT STAPLETON
AIRPORT. WINDS MAY HAVE BEEN STRONGER OVER WEST DENVER
WHERE SOME BUILDINGS WERE DAMAGED.
IN 1998...LARGE HAIL FELL OVER SOUTH METRO DENVER. HAIL
AS LARGE AS 1 1/4 INCHES IN DIAMETER WAS MEASURED IN
PARKER WITH 1 INCH HAIL RECORDED IN LITTLETON AND 4 MILES
SOUTH OF LAKEWOOD IN JEFFERSON COUNTY. HAIL TO 3/4 INCH
DIAMETER WAS MEASURED IN DOUGLAS COUNTY...11 MILES WEST-
NORTHWEST OF PARKER.
11-12 IN 2014...FROM THE 11TH TO THE 12TH...A STRONG STORM SYSTEM
MOVED FROM SOUTHWEST COLORADO AND PRODUCED HEAVY SNOW IN
AND NEAR THE FRONT RANGE FOOTHILLS AND METRO DENVER. THE
SNOW WAS HEAVIEST IN THE FOOTHILLS WHERE UP TO 2 1/2 FEET
OF SNOW WAS OBSERVED. IN THE FOOTHILLS...STORM TOTALS
INCLUDED: 30 INCHES NEAR PINECLIFFE; 29 INCHES...
8 MILES NORTHEAST OF FOUR CORNERS; 28 INCHES NEAR PINGREE
PARK; 27 INCHES NEAR ALLENSPARK; 20.5 INCHES NEAR IDAHO
SPRINGS; 19.5 INCHES AT GOLD HILL; 19 INCHES NEAR GENESEE; 18
INCHES NEAR BLACKHAWK; 17 INCHES AT ASPEN SPRINGS; 16.5 INCHES
NEAR WARD; 13.5 INCHES AT BERGEN PARK; WITH 11 INCHES AT
EVERGREEN. ALONG URBAN CORRIDOR AND PALMER DIVIDE...STORM
TOTALS INCLUDED: 10.5 INCHES AT ELDORADO SPRINGS; 10 INCHES AT
KEN CARYL; 9 INCHES AT SUPERIOR; 8 INCHES NEAR MORRISON; 7.5
INCHES IN BROOMFIELD AND HIGHLANDS RANCH; 7 INCHES IN DENVER...
NEAR FRANKTOWN...GOLDEN...LAKEWOOD AND HIGHLANDS RANCH; 6
INCHES...5 MILES NORTHEAST OF WESTMINSTER...7 MILES SOUTH OF
LYONS AND NEAR PARKER; WITH 5.5 INCHES AT AURORA. AT DENVER
INTERNATIONAL AIRPORT...1.1 INCHES OF SNOWFALL WAS OBSERVED...
ALONG WITH 0.9 INCHES OF WATER.
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. 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.
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