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NOUS45 KBOU 120859
PNSBOU
COZ030>051-122300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT TUE MAY 12 2026
..TODAY IN METRO DENVER WEATHER HISTORY
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.
11-12 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.
12 IN 1875...TWO FOREST FIRES ON THE EASTERN SLOPE OF THE
FOOTHILLS WERE VISIBLE FROM THE CITY.
IN 1904...NORTH WINDS WERE SUSTAINED TO 40 MPH WITH GUSTS
TO 48 MPH.
IN 1950...BRILLIANT AND COMPLETE PRIMARY AND SECONDARY
RAINBOWS ARCHING ACROSS THE SKY WERE OBSERVED FROM
STAPLETON AIRPORT.
IN 1951...A WIND GUST TO 51 MPH WAS RECORDED AT STAPLETON
AIRPORT.
IN 1984...WINDS GUSTED TO 69 MPH IN BOULDER. NORTHWEST WINDS
GUSTED TO 47 MPH AT STAPLETON INTERNATIONAL AIRPORT.
IN 1987...A SMALL WEAK TORNADO TOUCHED DOWN FOR ABOUT 2
MINUTES IN SOUTHEAST DENVER. THE TWISTER HIT A CAR
DEALERSHIP...BLOWING ABOUT A DOZEN WINDOWS OUT OF CARS AND
SHATTERING FOUR SKYLIGHTS ON THE BUILDING. SOME TIN
ROOFING WAS BLOWN OFF A PATIO A BLOCK AND A HALF AWAY. THE
TORNADO ALSO DOWNED A POWER POLE. DAMAGE AT THE DEALERSHIP
WAS ESTIMATED AT 10 THOUSAND DOLLARS. A MAN WAS SLIGHTLY
INJURED BY LIGHTNING IN NORTHWEST AURORA.
IN 1995...SEVERAL FUNNEL CLOUDS WERE SIGHTED NEAR PARKER.
ONE OF THE FUNNELS PRODUCED A SHORT-LIVED DEBRIS CLOUD
ON THE GROUND IN AN OPEN FIELD. NO DAMAGE WAS REPORTED.
IN 2015...A MAN SUFFERED MINOR INJURIES WHEN THE TREE HE TOOK
SHELTER UNDER WAS STRUCK BY LIGHTNING. HE WAS JOGGING AT
CITY PARK GOLF COURSE WHEN THE INCIDENT OCCURRED. THE
JOGGER WAS TAKEN TO THE HOSPITAL FOR OBSERVATION.
12-13 IN 1907...FROM THE 12TH TO THE 13TH...THE TEMPERATURE WARMED TO
A HIGH OF 73 DEGREES ON THE 12TH...BEFORE A COLD FRONT
PRODUCED A THUNDERSTORM...NORTHEAST WINDS SUSTAINED TO 40
MPH...AND RAIN CHANGING TO LIGHT SNOW OVERNIGHT. SNOWFALL
TOTALED ONLY 2 INCHES...BUT THE HIGH TEMPERATURE ON THE 13TH
WAS ONLY 39 DEGREES.
IN 1961...FROM THE 12TH TO THE 13TH...A STORM THAT COVERED
METRO DENVER WITH RAIN AND SNOW STARTED AS THUNDERSTORMS
ON THE EVENING OF THE 12TH. HAIL TO 1 1/2 INCHES IN
DIAMETER WAS REPORTED 10 MILES NORTHWEST OF STAPLETON
AIRPORT. RAIN CONTINUED OVERNIGHT AND CHANGED TO SNOW ON
THE 13TH. SNOWFALL TOTALED 6.4 INCHES AND PRECIPITATION
(RAIN AND MELTED SNOW) 1.96 INCHES AT STAPLETON AIRPORT
WHERE NORTH WINDS GUSTED TO 39 MPH. THE RAIN AND HEAVY
WET SNOW CAUSED ICING DAMAGE TO UTILITY LINES. HEAVY
SNOW OCCURRED IN THE FOOTHILLS.
IN 1982...FROM THE 12TH TO THE 13TH...A MAJOR STORM DUMPED
1.50 TO 3.50 INCHES OF RAIN ACROSS NORTHEAST COLORADO AND
DEPOSITED PRODIGIOUS AMOUNTS OF SNOW IN THE FOOTHILLS. COAL
CREEK CANYON SOUTHWEST OF BOULDER WAS BURIED UNDER 46 INCHES
OF SNOW WITH 39 INCHES AT NEDERLAND. THE HEAVY WET SNOW
DOWNED MANY POWERLINES IN THE FOOTHILLS. IN THORNTON...THE
ROOF OF A SCHOOL WAS DAMAGED BY WATER FROM THE HEAVY RAIN.
AT STAPLETON INTERNATIONAL AIRPORT...1.49 INCHES OF RAIN
WERE MEASURED OVER THE 2-DAY PERIOD. THE HEAVY RAIN ENDED
A SEVERE AND PROLONGED DROUGHT.
IN 2004...FROM THE 12TH TO THE 13TH...A WINTER STORM PRODUCED
HEAVY SNOW IN EXCESS OF A FOOT IN THE FOOTHILLS ABOVE 6
THOUSAND FEET WHILE HEAVY RAIN FELL ACROSS THE CITY. THE
HEAVIEST SNOW OCCURRED IN THE HIGH COUNTRY OF BOULDER
COUNTY. STORM TOTAL SNOWFALL WAS 14.5 INCHES NEAR JAMESTOWN.
RAINFALL TOTALED 0.81 INCH AT DENVER INTERNATIONAL AIRPORT
WITH 0.94 INCH RECORDED AT DENVER STAPLETON. A TRACE OF
SNOW WAS RECORDED AT BOTH LOCATIONS. EAST WINDS GUSTED TO
24 MPH AT DENVER INTERNATIONAL AIRPORT ON THE 12TH.
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