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NOUS45 KBOU 270859
PNSBOU
COZ030>051-272300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT MON JUL 27 2026
..TODAY IN METRO DENVER WEATHER HISTORY
13-5 IN 2008...A STREAK OF 24 CONSECUTIVE DAYS OF 90 DEGREES...FROM
JULY 13TH TO AUGUST 5TH...SHATTERED THE PREVIOUS RECORD OF 18
CONSECUTIVE DAYS ESTABLISHED IN 1901 AND 1874. IRONICALLY...
NO NEW SINGLE DAY RECORD HIGH TEMPERATURES WERE SET IN THE
MONTH OF JULY. IN AUGUST HOWEVER...A RECORD OF 104 DEGREES
WAS SET ON THE 1ST...AND ANOTHER RECORD OF 103 DEGREES WAS
SET ON THE 2ND. IN ADDITION...A RECORD LOW MIN OF 70 DEGREES
WAS SET ON AUGUST 2ND.
18-2 IN 1987...FROM JULY 18TH TO AUGUST 2ND...A STREAK OF 16
CONSECUTIVE DAYS OF 90 DEGREES RANKED 4TH ON THE LIST OF HOT
STREAKS. THE RECORD OF 24 CONSECUTIVE DAYS WAS ESTABLISHED
IN THE SUMMER OF 2008.
26-27 IN 1885...HEAVY CLOUDBURSTS ON THE PALMER DIVIDE SOUTH OF
DENVER CAUSED FLOODING ON CHERRY CREEK IN THE CITY
OVERNIGHT. THE HIGH WATER WASHED AWAY STREET AND RAILROAD
BRIDGES AND A FEW HOUSES. THE FLOOD WATERS COMPLETELY
INUNDATED THE RAIL YARDS IN LOWER DOWNTOWN. THIS WAS THE
WORST FLOOD ON CHERRY CREEK SINCE MAY 19-20...1864...BUT THE
DAMAGE WAS MITIGATED BY STREAM IMPROVEMENTS AND FEWER
STRUCTURES NEAR THE CHANNEL. THERE WAS ALSO NO SIMULTANEOUS
FLOOD ON THE SOUTH PLATTE RIVER TO SLOW THE FLOW OF WATER
THROUGH THE CITY. RAINFALL IN THE CITY WAS ONLY 0.08 INCH
ON THE 26TH.
27 IN 1897...AN APPARENT DRY MICROBURST PRODUCED SUSTAINED WEST
WINDS TO 48 MPH WITH GUSTS TO 60 MPH AND A TRACE OF RAIN.
IN 1901...A THUNDERSTORM PRODUCED NORTH WINDS TO 38 MPH WITH
GUSTS TO 41 MPH AND RAINFALL OF ONLY 0.01 INCH IN DOWNTOWN
DENVER. THIS WAS THE ONLY MEASURABLE RAINFALL OF THE MONTH...
MAKING THIS THE DRIEST JULY ON RECORD.
IN 1953...AN UNCONFIRMED TORNADO IN SOUTH LAKEWOOD TOUCHED DOWN
BRIEFLY AND ABRUPTLY DISSIPATED. NO DAMAGE WAS REPORTED
FROM THE TWISTER.
IN 1955...THE PUBLIC SIGHTED A FUNNEL CLOUD ESTIMATED AT 500
FEET ABOVE THE GROUND NEAR THE WESTERN EDGE OF LOWRY FIELD.
WIND ESTIMATES UP TO 60 MPH WERE REPORTED IN THE VICINITY.
IN 1956...A SEVERE THUNDERSTORM PRODUCED 3/4 INCH DIAMETER HAIL
AND WIND GUSTS TO 48 MPH AT STAPLETON AIRPORT WHERE RAIN
FALL TOTALED 1.08 INCHES.
IN 1965...A TORNADO WAS SIGHTED 21 MILES SOUTH OF DENVER IN
DOUGLAS COUNTY. NO DAMAGE WAS REPORTED.
IN 1977...A THUNDERSTORM WIND GUST TO 51 MPH WAS RECORDED
AT STAPLETON INTERNATIONAL AIRPORT. A FUNNEL CLOUD WAS
SIGHTED BY AN AIRCRAFT EAST OF PARKER.
IN 1982...HEAVY RAIN DOUSED BOULDER WITH 1 1/2 TO 3 INCHES OF
RAIN OVER A SHORT PERIOD OF TIME...CAUSING EXTENSIVE STREET
FLOODING.
IN 1984...STRONG THUNDERSTORMS DRENCHED SEVERAL AREAS.
RAINFALL OF 1.04 INCHES OCCURRED IN JUST 20 MINUTES AT
BOULDER. DOWNPOURS ALSO HIT AURORA AND NORTHEAST DENVER...
DELAYING FLIGHTS AT STAPLETON INTERNATIONAL AIRPORT FOR AN
HOUR. UP TO 3/4 INCH OF RAIN FELL IN CENTRAL AURORA IN 15
MINUTES.
IN 1989...LIGHTNING HIT A HOME IN LITTLETON...SETTING A BED ON
FIRE. DAMAGE WAS CONFINED TO THE BEDROOM.
IN 1994...LIGHTNING STRUCK A FURNITURE STORE IN BOULDER...
IGNITING A FIRE WHICH CAUSED MAJOR DAMAGE TO THE BUILDING
AND CONTENTS.
IN 1997...LIGHTNING SPARKED A FIRE...CAUSING EXTENSIVE DAMAGE
TO A HOME IN WATKINS. HEAVY RAIN CAUSED LENA GULCH TO
SURGE 2 FEET OVER ITS BANKS IN GOLDEN. THE FIRE DEPARTMENT
HAD TO RESCUE A MAN WHEN HIS VAN STALLED IN HIGH WATERS.
HIGH WATERS FROM SWOLLEN CREEKS AND STREAMS WASHED OUT
BRIDGES AND SEVERAL SECTIONS OF ROAD IN SOUTHEAST AURORA.
A 200-TO-300 FOOT SECTION OF ROAD WAS WASHED AWAY WHERE
PICADILLY STREET DIPS ACROSS COAL CREEK. THREE YOUTHS
HAD TO BE RESCUED WHEN THEY BECAME STRANDED BY RAPIDLY
RISING WATER IN ANOTHER NORMALLY DRY CREEK BED.
IN 1999...LIGHTNING WAS SUSPECTED OF IGNITING A FIRE WHICH
CAUSED SUBSTANTIAL DAMAGE TO A FARM IN HUDSON. THE BLAZE
DESTROYED A 10-FOOT BY 60-FOOT METAL POLE BARN...A PICK-UP
TRUCK...A SUV...A BOAT AND TRAILER...3 FOUR WHEELER VEHICLES...
AND OTHER FARM EQUIPMENT.
IN 2007...A MAN WAS STRUCK AND KILLED BY LIGHTNING WHILE
JOGGING AT MATTHEWS WINTERS PARK IN MORRISON.
IN 2022...SEVERE THUNDERSTORM PRODUCED STRONG WINDS NEAR
CHATFIELD RESERVOIR AND PARKER...WITH GUSTS UP TO 66 MPH.
HAIL UP TO 1 INCH IN DIAMETER WAS REPORTED AT GOLD HILL
AND NEAR HIGHLANDS RANCH.
27-31 IN 1956...96 PERCENT OF THE TOTAL PRECIPITATION FOR THE MONTH
OF JULY OCCURRED OVER THE LAST FIVE DAYS OF THE MONTH.
HEAVY THUNDERSTORMS PRODUCED 4.00 INCHES OF RAINFALL AT
STAPLETON AIRPORT. THIS AMOUNT OF PRECIPITATION IN 5 DAYS
OR LESS HAD BEEN EXCEEDED ONLY 3 TIMES IN PREVIOUS RECORD.
THE LAST TIME HAD BEEN IN DECEMBER OF 1913 AS SNOW.
CONSIDERABLE PROPERTY DAMAGE OCCURRED ACROSS METRO DENVER
FROM FLOODING.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
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