406
NOUS45 KBOU 090859
PNSBOU
COZ030>051-092300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT TUE JUN 9 2026
..TODAY IN METRO DENVER WEATHER HISTORY
7-9 IN 1979...RAIN...AT TIMES WITH THUNDER ON THE 7TH...FELL ALMOST
CONTINUOUSLY THROUGH THE MORNING OF THE 9TH. RAINFALL
TOTALED 2.28 INCHES AT STAPLETON INTERNATIONAL AIRPORT
OVER THE 3 DAYS. HIGH TEMPERATURE OF ONLY 49 DEGREES ON
THE 8TH WAS A RECORD LOW MAXIMUM FOR THE DATE.
9 IN 1900...AN APPARENT COLD FRONT PRODUCED NORTH WINDS TO
42 MPH WITH GUSTS TO 47 MPH.
IN 1923...HEAVY RAINFALL TOTALED 2.18 INCHES IN DOWNTOWN
DENVER...WHERE NORTHWEST WINDS WERE SUSTAINED TO 27 MPH.
HEAVY RAIN ALSO FELL IN BOULDER...CAUSING FLOODING ON
BOULDER AND SOUTH BOULDER CREEKS.
IN 1939...POST-FRONTAL SUSTAINED NORTHWEST WINDS TO 35 MPH
PRODUCED SOME BLOWING DUST...WHICH REDUCED THE VISIBILITY
TO ONE MILE AT TIMES DURING THE AFTERNOON. DUSTY
CONDITIONS PREVAILED INTO THE EARLY EVENING. THE AIRPORT
STATION REPORTED A MAXIMUM WIND OF 56 MPH. A FEW MINOR
INJURIES AND SOME DAMAGE RESULTED. A FEW TREES WERE
UPROOTED...SOME FRUIT WAS BLOWN FROM TREES...AND A SECTION
OF POWER LINES WAS BLOWN DOWN.
IN 1959...DRY THUNDERSTORM WINDS...ESTIMATED TO NEAR 70 MPH...
TOPPLED A 40-FOOT-HIGH POPLAR TREE...WHICH WAS 4 TO 5 INCHES
IN DIAMETER...NEAR CHERRY CREEK DAM. THE COLORADO STATE
PATROL REPORTED A POSSIBLE TORNADO 1 MILE SOUTH OF THE DAM.
IN 1960...STRONG GUSTY WINDS TORE THE ROOFS FROM 2 PATIOS IN
AURORA. ONE OF THE ROOFS WAS BLOWN OVER A HOUSE AND LANDED
ON A CAR DAMAGING ITS TOP. A HOUSE TRAILER WAS ALSO
OVERTURNED. OTHER MINOR DAMAGE WAS REPORTED TO ROOFS...
WINDOWS...AND TREES IN AURORA. A THUNDERSTORM WIND GUST
TO 43 MPH WAS RECORDED AT STAPLETON AIRPORT.
IN 1963...GOLF BALL SIZE HAIL FELL AT CHERRY CREEK RESERVOIR.
IN 1967...A SMALL TORNADO DAMAGED TREES AND A DWELLING IN
SOUTH DENVER. THE STORM TOUCHED DOWN AT THE INTERSECTION
OF 1ST AVENUE AND HARRISON STREET AND MOVED NORTHEAST TO
THE INTERSECTION OF 3RD AVENUE AND ALBION STREET.
DAMAGE INCLUDED 3 SMALL ROOFS REMOVED...15-20 LARGE TREES
UPROOTED...ONE CAR OVERTURNED AND THROWN AGAINST A HOUSE...
PLUS OTHER MINOR DAMAGE. A FUNNEL CLOUD REPORTED AT THE
SAME TIME 10 MILES NORTH OF DENVER POSSIBLY TOUCHED GROUND.
LATER...FUNNEL CLOUDS WERE REPORTED 12 MILES SOUTH-SOUTHEAST
OF STAPLETON INTERNATIONAL AIRPORT...10 MILES SOUTHWEST...AND
5 MILES NORTH. A TORNADO WAS SIGHTED 3 1/2 MILES EAST OF
STAPLETON INTERNATIONAL AIRPORT BY WEATHER BUREAU PERSONNEL
FOR A DURATION OF 5 MINUTES. HEAVY RAIN AND SOME HAIL FELL
OVER MUCH OF THE AREA.
IN 1974...THE START OF THE SHORTEST SEASONAL SNOW FREE PERIOD
ON RECORD...94 DAYS...OCCURRED WITH THE LAST SNOW OF THE
SEASON...A TRACE...ON THE 8TH. THE FIRST SNOW OF THE NEXT
SEASON OCCURRED ON SEPTEMBER 11TH WHEN A TRACE OF SNOW
FELL AT STAPLETON INTERNATIONAL AIRPORT. A FUNNEL CLOUD
WAS OBSERVED JUST EAST OF AURORA AND A SMALL FUNNEL WAS
SIGHTED JUST NORTHEAST OF STAPLETON INTERNATIONAL AIRPORT.
IN 1985...A THUNDERSTORM WIND GUST TO 62 MPH WAS REPORTED AT
GOLDEN GATE CANYON IN THE FOOTHILLS WEST OF DENVER.
IN 1986...A THUNDERSTORM...WHICH DUMPED HEAVY RAIN AND CAUSED
SOME STREET FLOODING ACROSS NORTH METRO DENVER...PRODUCED
A SMALL TORNADO 5 MILES EAST OF BRIGHTON. NO DAMAGE WAS
REPORTED.
IN 1987...STRONG THUNDERSTORM WIND GUSTS IN CONIFER DESTROYED
A PORCH ON A HOUSE; THE WIND GUST APPARENTLY PICKED UP THE
PORCH AND DROPPED IT ON A MAN...KILLING HIM. THE WIND ALSO
DAMAGED THE ROOF OF THE HOUSE AND A NEARBY BARN. THE SAME
THUNDERSTORM SPAWNED A TORNADO...WHICH TOUCHED DOWN BRIEFLY
JUST SOUTH OF LAKEWOOD. NO DAMAGE WAS REPORTED. UP TO 3
INCHES OF RAIN FELL IN A SHORT TIME 8 MILES SOUTHWEST OF
LITTLETON. A FEW BUSINESSES IN ENGLEWOOD SUFFERED MINOR
WATER DAMAGE. A TORNADO WAS SIGHTED BETWEEN WATKINS AND
BENNETT. IT WAS ON THE GROUND FOR 15 MINUTES. A WEAK
TORNADO ALSO TOUCHED DOWN 4 MILES SOUTHWEST OF CASTLE ROCK.
THE TWISTER TOSSED AN ALUMINUM SHED INTO THE AIR AND
CARRIED IT ABOUT 100 FEET. A FUNNEL CLOUD WAS SIGHTED
15 MILES EAST-NORTHEAST OF STAPLETON INTERNATIONAL AIRPORT.
IN 1988...GOLF BALL SIZE HAIL FELL IN CONIFER ALONG WITH 1.30
INCHES OF RAIN. THREE MILES NORTH OF LOUISVILLE...1.10
INCHES OF RAIN FELL IN 20 MINUTES. PING PONG BALL SIZE
HAIL WAS MEASURED IN ARVADA.
IN 1990...3/4 INCH HAIL FELL IN CASTLE ROCK.
IN 1991...HAIL TWO INCHES IN DIAMETER FELL NEAR EVERGREEN.
HAIL TO 1 INCH DIAMETER FELL IN LAKEWOOD WHERE A FUNNEL
CLOUD WAS ALSO SIGHTED. ONE INCH DIAMETER HAIL WAS ALSO
REPORTED IN AURORA.
IN 2002...HIGH TEMPERATURES...LOW RELATIVE HUMIDITIES...AND
STRONG GUSTY WINDS ALLOWED THE HAYMAN WILDFIRE...LOCATED
IN THE FOOTHILLS TO THE SOUTHWEST OF DENVER...TO BECOME
THE LARGEST WILDFIRE IN THE STATE'S HISTORY. ALTHOUGH
THE FIRE WAS INITIALLY STARTED BY A U.S. FOREST SERVICE
EMPLOYEE...THE ONGOING DROUGHT AND DRY CONDITIONS ALLOWED
THE FIRE TO SPREAD RAPIDLY OUT OF CONTROL. THE WILDFIRE
CONSUMED NEARLY 138 THOUSAND ACRES OF FOREST LAND AND 133
HOMES BEFORE IT COULD BE CONTAINED AND FINALLY EXTINGUISHED
ON JUNE 30TH. ABOUT 1800 HOUSEHOLDS HAD TO BE EVACUATED
DURING THE BLAZE. SOUTHWEST WINDS ALOFT SWEPT THE SMOKE
PLUME DIRECTLY OVER METRO DENVER...CREATING POOR AIR QUALITY
AND BLOCKING THE SUN. MUCH OF METRO DENVER CHOKED ON SMOKE
WITH THE SOUTHERN SUBURBS RECEIVING THE MOST. SMOKE AND
ASH RESTRICTED SURFACE VISIBILITIES TO A MILE OR LESS AT
TIMES IN THE DENVER AND CASTLE ROCK AREAS AND TO 2 MILES
AT DENVER INTERNATIONAL AIRPORT.
IN 2003...THUNDERSTORM WINDS GUSTED TO 51 MPH AT DENVER
INTERNATIONAL AIRPORT. THE STORM PRODUCED ONLY A TRACE
OF RAIN.
IN 2004...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL ACROSS
PORTIONS OF METRO DENVER FOR THE SECOND DAY IN A ROW.
THE MOST EXTENSIVE DAMAGE OCCURRED ACROSS SOUTHERN SECTIONS
OF METRO DENVER IN AURORA...LAKEWOOD...LITTLETON...AND SOUTH
DENVER. THE COMBINED DAMAGE TO HOMES AND VEHICLES...NOT
INCLUDING COMMERCIAL BUILDINGS...WAS ESTIMATED AT 146.5
MILLION DOLLARS...MAKING THE EVENT THE 4TH COSTLIEST
INSURANCE DISASTER IN THE STATE'S HISTORY. HAIL AS LARGE
AS 2 1/4 INCHES IN DIAMETER FELL NEAR SOUTHERN AURORA WITH
HAIL TO 1 3/4 INCHES IN THE CITY OF DENVER AND IN LAKEWOOD.
HAIL TO 1 1/2 INCHES FELL NEAR MORRISON WITH 1 INCH HAIL
MEASURED IN THORNTON...NEAR BUCKLEY AIR FORCE BASE...AND
NEAR ROGGEN. HAIL TO 3/4 INCH DIAMETER FELL IN LITTLETON
AND NEAR CONIFER. A SMALL TORNADO TOUCHED DOWN NEAR
BENNETT...BUT DID NO DAMAGE.
9-10 IN 1864...FROM THE 9TH TO THE 10TH...HIGH WATER FROM MELTING
SNOW COMBINED WITH HEAVY RAINS OVER THE UPPER REACHES OF
THE SOUTH PLATTE RIVER FORCED THE RIVER OVER ITS BANKS AND
CAUSED FLOODING OF LOW LYING AREAS ALONG THE RIVER IN THE
CITY. THE AMOUNT OF RAINFALL IN THE MOUNTAINS AND IN THE
CITY IS UNKNOWN.
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