163
NOUS45 KBOU 160045
PNSBOU
COZ030>051-162300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
645 PM MDT SAT AUG 15 2026
..THIS WEEK IN METRO DENVER WEATHER HISTORY
16 IN 1902...A THUNDERSTORM PRODUCED WEST WINDS SUSTAINED TO
48 MPH WITH GUSTS TO 60 MPH...BUT ONLY A TRACE OF RAIN.
IN 1952...A THUNDERSTORM WIND GUST TO 50 MPH WAS RECORDED AT
STAPLETON AIRPORT.
IN 1960...LIGHTNING STRUCK A WAREHOUSE IN CENTRAL DENVER...
CAUSING 8 THOUSAND DOLLARS IN DAMAGE TO THE BUILDING AND
STORED ELECTRICAL EQUIPMENT.
IN 1975...LARGE HAIL...1 1/2 TO 1 3/4 INCHES IN DIAMETER...FELL
ABOUT 4 MILES NORTH OF CASTLE ROCK. HAIL CAUSED SOME MINOR
DAMAGE IN AURORA. A FUNNEL CLOUD WAS REPORTED 25 MILES
EAST OF DENVER NEAR BENNETT.
IN 1981...A TORNADO TOUCHED DOWN BRIEFLY IN OPEN COUNTRY JUST
TO THE EAST OF AURORA. NO DAMAGE WAS REPORTED.
IN 1982...A THUNDERSTORM WIND GUST TO 61 MPH WAS RECORDED AT
BUCKLEY FIELD IN AURORA. AT THE SAME TIME ALMOST AN INCH
OF RAIN FLOODED AND CLOSED STREETS IN SOUTH AURORA. A
WOMEN WAS HIT BY LIGHTNING JUST NORTH OF DENVER. A HOUSE
IN THE AREA WAS ALSO STRUCK.
IN 1985...A THUNDERSTORM PRODUCED STRONG WIND GUSTS OVER
SOUTHERN METRO DENVER. ONE STRONG WIND GUST HIT CHERRY
CREEK RESERVOIR...CAPSIZING A BOAT AND DROWNING A MAN. THE
WIND GUSTS...CLOCKED AS HIGH AS 50 MPH...ALSO DOWNED A FEW
TREES.
IN 1989...1 3/4 INCH DIAMETER HAIL FELL AT INTERCANYON IN
THE FOOTHILLS OF JEFFERSON COUNTY.
IN 1990...LIGHTNING CAUSED MINOR DAMAGE TO A SOUTH AURORA
HOME. NO INJURIES WERE REPORTED.
IN 1994...STRONG THUNDERSTORM WINDS CAUSED DAMAGE IN SOUTHERN
WELD COUNTY NEAR HUDSON AND FORT LUPTON. TWO MOBILE HOMES
WERE DESTROYED AND A FEW LOST THEIR ROOFS. UP TO 20 DOWNED
POWER POLES AND THE DESTRUCTION OF TWO 115 THOUSAND-VOLT
TOWERS CAUSED WIDESPREAD POWER OUTAGES. THUNDERSTORM GUST
FRONT WINDS FROM THE NORTH GUSTED TO 48 MPH AT STAPLETON
INTERNATIONAL AIRPORT.
IN 2000...LIGHTNING RIPPED MOST OF THE ROOF FROM A HOME IN
SOUTHEAST AURORA. THE BOLT SPARKED A FIRE WHICH DESTROYED
THE RESIDENCE. DAMAGE WAS ESTIMATED AT 250 THOUSAND
DOLLARS.
IN 2002...THE TEMPERATURE CLIMBED TO A MAXIMUM OF 100 DEGREES
SETTING A NEW RECORD HIGH FOR THE DATE.
IN 2003...A TEENAGER WAS INJURED WHEN HE WAS STRUCK BY
LIGHTNING WHILE CAMPING AT HERMAN LAKE...13 MILES NORTHWEST
OF GEORGETOWN. THE BOY WAS KNOCKED UNCONSCIOUS AND SUFFERED
MINOR INJURIES.
IN 2022...HEAVY RAINFALL PRODUCED EXTENSIVE FLOODING IN BROOMFIELD.
SIX INCHES OF WATER INUNDATED A SECTION OF HIGHWAY 287. BIKE
PATHS WERE FLOODED ALONG ROCK CREEK AND NEAR SPADER WAY NEAR THE
BROOMFIELD EVENTS CENTER. SPADER WAY WAS CLOSED DUE TO FLASH
FLOODING FROM 1ST AVENUE TO DESCOMBES DRIVE. STORM TOTALS UP TO
3.62 INCHES OBSERVED IN THE AREA. BIKE PATHS FLOODED WITH SEVERAL
FEET OF WATER ALONG COAL CREEK IN LAFAYETTE AND ROCK CREEK.
16-19 IN 1979...HEAVY THUNDERSTORM RAINS ON EACH OF 4 CONSECUTIVE
DAYS...THE 16TH THROUGH THE 19TH...DUMPED A TOTAL OF 2.62
INCHES OF RAIN ON STAPLETON INTERNATIONAL AIRPORT. THE
HEAVIEST RAIN...1.05 INCHES...ON THE 19TH WAS ACCOMPANIED BY
1/4 INCH DIAMETER HAIL.
17 IN 1953...A TORNADO WAS SIGHTED 8 MILES EAST OF CASTLE ROCK.
AN UNCONFIRMED TORNADO WAS SIGHTED BETWEEN DENVER AND
STRASBURG. NO DAMAGE WAS REPORTED.
IN 1963...HEAVY RAIN IN SOUTHEAST DENVER...ENGLEWOOD...AND
LITTLETON CAUSED FLOODING OF BASEMENTS AND STREETS. OVER
3 INCHES OF RAIN FELL AT CHERRY CREEK DAM. LIGHTNING
CAUSED POWER FAILURES. THE HARDEST HIT AREAS WERE IN NORTH-
CENTRAL DENVER. A 12-YEAR-OLD BOY WAS SWEPT INTO A CONDUIT
BY A 3-FOOT HIGH CREST OF WATER. HE WAS CARRIED 125 FEET
THROUGH THE WATERWAY...BUT WAS UNHURT. THUNDERSTORM
RAINFALL TOTALED ONLY 0.24 INCH AT STAPLETON AIRPORT.
IN 1972...A THUNDERSTORM WIND GUST TO 53 MPH WAS RECORDED AT
STAPLETON INTERNATIONAL AIRPORT. STRONG WINDS ALSO OCCURRED
IN THE LITTLETON AREA WHERE SEVERAL TREES AND UTILITY POLES
WERE BLOWN OVER AND A NUMBER OF WINDOWS BROKEN.
IN 1978...1 3/4 INCH DIAMETER HAIL WAS REPORTED IN THORNTON.
IN 1982...HEAVY RAIN OCCURRED IN THE FOOTHILLS SOUTHWEST OF
DENVER WHERE 4.50 INCHES FELL IN 75 MINUTES BETWEEN
EVERGREEN AND CONIFER. NEARBY...2.66 INCHES OF RAIN
DRENCHED THE NORTH TURKEY CREEK CANYON AREA IN JUST 15
MINUTES.
IN 1984...SCATTERED SLOW MOVING THUNDERSTORMS DUMPED HEAVY
RAIN ACROSS SOUTHERN METRO DENVER. THE HEAVY RAIN CAUSED
SOME ROAD WASHOUTS IN JEFFERSON AND DOUGLAS COUNTIES. A
BRIDGE WAS WASHED OUT IN DOUGLAS COUNTY. THREE INCHES OF
RAIN FELL IN JUST AN HOUR AT CASTLE ROCK...CAUSING HEAVY
SILT DAMAGE TO A HOME AND TO NEARBY DRAINAGE DITCHES.
IN 1988...A THUNDERSTORM DUMPED 2 TO 3 INCHES OF RAIN IN
SOUTHEAST DENVER AND ADJACENT AREAS OF ARAPAHOE COUNTY
IN LESS THAN 90 MINUTES. THERE WAS WIDESPREAD STREET
FLOODING...AND I-25 WAS CLOSED BY 4 FEET OF WATER NEAR ITS
INTERSECTION WITH I-225 JUST SOUTH OF DENVER. A FLOOD
CONTROL PROJECT IN ARAPAHOE COUNTY AT GREENWOOD VILLAGE
SUSTAINED OVER 10 THOUSAND DOLLARS DAMAGE. UP TO 4 FEET
OF WATER FLOODED SOME BASEMENTS IN THE AREA. ONLY 0.44
INCH OF RAIN FELL AT STAPLETON INTERNATIONAL AIRPORT.
IN 1990...HEAVY THUNDERSTORM RAINS OVER THE BOULDER CREEK
AND ST. VRAIN CREEK DRAINAGE BASINS CAUSED MANY CREEKS AND
DRAINAGE DITCHES TO RISE IN EASTERN BOULDER AND SOUTHWEST
WELD COUNTIES. THE HIGH WATERS PUNCHED THREE 30-FOOT HOLES
IN THE EMBANKMENT OF A DRAINAGE DITCH...WHICH TRAVERSED
THROUGH THE TOWN OF FIRESTONE...20 MILES NORTH OF DENVER.
A SHEET OF WATER 2 TO 3 FEET DEEP RUSHED OUT ONTO THE
STREETS OF FIRESTONE...FORCING THE EVACUATION OF A TRAILER
PARK AND RESIDENTS FROM 50 NEIGHBORING HOMES. NO INJURIES
OR SERIOUS DAMAGE OCCURRED EXCEPT FOR MUD AND WATER DAMAGE.
LIGHTNING STRUCK AND INJURED 4 CONSTRUCTION WORKERS
STANDING IN AN AURORA FIELD. THEY RECEIVED TREATMENT FOR
MINOR INJURIES AT A LOCAL HOSPITAL. LIGHTNING ALSO
STRUCK THE ROOF OF A METHODIST CHURCH IN CENTRAL DENVER...
KNOCKING DOWN THE HIGHEST PEAK OF THE STEEPLE. A HALF
DOZEN PEOPLE WERE IN THE BUILDING...BUT NO ONE WAS INJURED.
SLOW MOVING THUNDERSTORMS DUMPED 2 TO 3 INCHES OF RAIN OVER
SOUTHEAST AURORA IN 90 MINUTES. THE HEAVY RAIN ACCUMULATED
ON THE ROOF OF A CONDOMINIUM CLUBHOUSE...CAUSING THE ROOF TO
COLLAPSE UNDER THE WEIGHT OF THE WATER. NEARLY 300
RESIDENTS WERE EVACUATED FROM THE 200-UNIT COMPLEX BECAUSE
OF THE STRUCTURAL DAMAGE. THE RESIDENTS WERE ALLOWED TO
RETURN TO THEIR HOMES WHEN IT WAS DETERMINED THE DAMAGE WAS
CONFINED TO THE CLUBHOUSE. NO INJURIES WERE REPORTED.
IN 1993...JUST WEST OF FORT LUPTON...THUNDERSTORM WINDS BLEW
THE TIN ROOF OFF A CATTLE SHELTER INTO A MOBILE HOME...
CAUSING CONSIDERABLE DAMAGE TO THE MOBILE HOME.
IN 1997...LIGHTNING STRUCK A HOME IN CASTLE ROCK SPARKING A
FIRE. DAMAGE WAS ESTIMATED AT 20 THOUSAND DOLLARS.
IN 2000...THUNDERSTORMS PRODUCING VERY HEAVY RAIN...UP TO 3.5
INCHES IN SPOTS...CAUSED FLOODING AND FLASH FLOODING ACROSS
METRO DENVER. IN COMMERCE CITY...A 37-YEAR-OLD FIREFIGHTER
DROWNED WHILE ATTEMPTING TO RESCUE A STRANDED MOTORIST ON
A FLOODED STREET. THE FIREFIGHTER WAS WADING THROUGH THE
WATER WHEN HE LOST HIS FOOTING AND WAS SUCKED INTO A 10
FOOT DEEP CULVERT. HE WAS SWEPT AWAY BEFORE ANYONE COULD
REACH HIM. EXTENSIVE FLOODING WAS ALSO REPORTED THROUGHOUT
LITTLETON AND NORTH DENVER.
18 IN 1965...HEAVY RAIN IN AREAS SOUTH AND EAST OF DENVER CAUSED
SOME FLOODING IN LITTLETON AND ENGLEWOOD. CLEAR CREEK WAS
RUNNING NEAR BANKFULL...AND HEAVY RAIN IN SOUTHWEST DENVER
FLOODED INTERSECTIONS.
IN 1966...A BRIEF VERY HEAVY THUNDERSTORM DUMPED 0.61 INCH OF
RAIN IN JUST 5 MINUTES AT STAPLETON INTERNATIONAL AIRPORT.
TOTAL RAINFALL FROM THE STORM...0.64 INCH...FELL IN JUST 10
MINUTES. HALF INCH DIAMETER HAIL ALSO FELL AT STAPLETON
INTERNATIONAL AIRPORT. THE PUBLIC SIGHTED FUNNEL CLOUDS 10
TO 15 MILES SOUTH OF THE AIRPORT.
IN 1967...HAIL STRUCK IN A STRIP ALONG THE EASTERN FOOTHILLS
AND CAUSED MINOR DAMAGE IN BOULDER. HAIL ACCUMULATED TO A
DEPTH OF 4 TO 6 INCHES IN JEFFERSON COUNTY JUST SOUTHWEST
OF DENVER.
IN 1983...ONE INCH TO HEN EGG SIZE HAIL WAS REPORTED IN
BROOMFIELD WITH GOLF BALL SIZE HAIL AT NORTHGLENN.
IN 1990...DIME SIZE HAIL AND THUNDERSTORM WIND GUSTS TO 50 MPH
WERE REPORTED BY STORM SPOTTERS JUST EAST OF AURORA NEAR
THE INTERSECTION OF MISSISSIPPI AVENUE AND GUN CLUB ROAD.
THE HAIL AND STRONG WINDS DAMAGED A NUMBER OF WINDOWS IN
THE AREA.
IN 1991...VERY HEAVY RAIN FROM SLOW MOVING THUNDERSTORMS
DUMPED UP TO 3 INCHES OF RAIN IN 20 MINUTES IN THE VICINITY
OF IDAHO SPRINGS AND CENTRAL CITY. FLOODING IN IDAHO
SPRINGS FORCED THE CLOSURE OF THE VIRGINIA GULCH ROAD...WHICH
RUNS FROM IDAHO SPRINGS TO CENTRAL CITY. DIRT ROADS ABOVE
CENTRAL CITY WERE DAMAGED OR DESTROYED WITH THE MUD BEING
SWEPT ONTO STREETS IN TOWN. HIGH WATER IN CLEAR CREEK...UP
TO 3 FEET ABOVE FLOOD STAGE...WASHED OUT A BRIDGE IN IDAHO
SPRINGS. ROCK AND MUD SLIDES FORCED THE CLOSURE OF I-70
ABOUT 1 MILE EAST OF IDAHO SPRINGS.
IN 1997...DRY MICROBURSTS PRODUCED TWO PEAK WIND GUSTS TO
AN ESTIMATED 60 MPH EAST OF BUCKLEY FIELD.
IN 2000...HAIL AS LARGE AS 3/4 INCH IN DIAMETER WAS MEASURED
5 MILES WEST OF SEDALIA.
IN 2003...A SEVERE THUNDERSTORM PRODUCED HAIL AS LARGE AS
2.75 INCHES IN DIAMETER AT HIGHLANDS RANCH. HAIL TO 3/4
INCH WAS REPORTED IN AURORA NEAR CHERRY CREEK AND IN
ARAPAHOE COUNTY 9 MILES SOUTHEAST OF AURORA.
IN 2004...HEAVY THUNDERSTORM RAINFALL CAUSED FLASH FLOODING
ACROSS CENTRAL AND SOUTHERN METRO DENVER. A RAIN GAGE AT
CITY PARK RECORDED 4.37 INCHES OF RAINFALL FROM THE DELUGE.
SEVERAL ROADS IN AND AROUND THE CITY HAD TO BE CLOSED DUE
TO FLOODWATERS...STRANDING MANY VEHICLES. THE DENVER FIRE
DEPARTMENT CONDUCTED AT LEAST 15 WATER RESCUES. ONE DRIVER
NEARLY DROWNED WHEN HE MADE A WRONG TURN INTO A RETAINING
POND. FOUR MEN WHO WITNESSED THE ACCIDENT WERE ABLE TO SAVE
THE MAN BEFORE HIS CAR WAS COMPLETELY SUBMERGED. WIDESPREAD
STREET FLOODING WAS REPORTED IN THE DENVER STAPLETON AREA
WHERE RAINFALL TOTALED 3.81 INCHES. STANDING WATER OVER
6 INCHES DEEP WAS REPORTED NEAR I-70 AND QUEBEC...I-225 SOUTH
OF I-70...AND I-25 NEAR 6TH AVENUE. FLOODWATERS REACHED
8 FEET DEEP IN SOME LOW LYING AREAS AS SEWERS BECAME CLOGGED
AND THE STORM RUNOFF PIPES WERE UNABLE TO HANDLE THE HEAVY
FLOW OF WATER. HEAVY RAINFALL CAUSED ADDITIONAL FLASH
FLOODING SOUTH OF DENVER. SEVERAL STREET INTERSECTIONS IN
CENTENNIAL AND SOUTHERN AURORA BECAME IMPASSABLE DUE TO HIGH
WATER. TWO FEET OF WATER COVERED PORTIONS OF THE ROADWAY NEAR
PARK MEADOWS MALL. ONE PERSON HAD TO BE RESCUED NEAR THE
INTERSECTION OF ARAPAHOE ROAD AND LIVERPOOL. FLOODWATERS
FORCED THE CLOSURE OF STONEGATE PARKWAY NEAR JORDAN ROAD AND
LINCOLN AVENUE. FLOODING WAS ALSO REPORTED ON MERIDIAN BLVD.
NEAR I-25. RAINFALL WAS 1.62 INCHES AT DENVER INTERNATIONAL
AIRPORT.
18-19 IN 1875...NEARLY 0.75 INCH OF RAINFALL IN THE CITY OVERNIGHT...
FROM THE 18TH TO THE 19TH...POSSIBLY ASSISTED BY HEAVIER
RAINFALL UPSTREAM...PRODUCED A DECIDED AND RAPID RISE IN
CHERRY CREEK...WHICH WASHED OUT SOME BRIDGES. OTHER SMALL
CREEKS AND STREAMS WERE FILLED TO OVERFLOWING.
19 IN 1983...HEAVY RAIN FELL ACROSS THE NORTHERN METRO DENVER
SUBURBS WITH 1.50 TO 1.80 INCHES OF RAIN IN BROOMFIELD...
ARVADA...AND THORNTON.
IN 1989...LIGHTNING KILLED A 31-YEAR-OLD MAN AND INJURED HIS
10 YEAR OLD NEPHEW WHEN IT HIT A TREE THEY WERE WALKING
UNDER IN THE FOOTHILLS ABOUT 5 MILES WEST OF BOULDER. THE
BOY RECEIVED MOUTH TO MOUTH RESUSCITATION ON THE SCENE AND
RECOVERED AFTER BEING HOSPITALIZED OVERNIGHT. THREE OTHER
PEOPLE WERE KNOCKED TO THE GROUND BY THE BOLT...BUT WERE
UNINJURED.
IN 1990...3/4 INCH DIAMETER HAIL WAS REPORTED IN WHEAT RIDGE.
A THUNDERSTORM OVER WEST DENVER DUMPED AN INCH OF RAIN IN
20 MINUTES...CAUSING MINOR STREET FLOODING. ONE INCH
DIAMETER HAIL WAS REPORTED OVER EAST DENVER. PING PONG TO
GOLF BALL SIZE HAIL WAS REPORTED 14 MILES NORTHEAST OF
DENVER AT THE INTERSECTION OF 122ND AVE. AND BRIGHTON BLVD.
THE HAIL STONES KNOCKED OUT WINDOWS AND DID AN UNSPECIFIED
AMOUNT OF DAMAGE TO THE ROOF OF A HOUSE. CLOSE BY...HEAVY
THUNDERSTORM RAINS CAUSED GULLIES...IRRIGATION DITCHES...AND
SMALL STREAMS TO OVERFLOW THEIR BANKS NEAR THE INTERSECTION
OF 120TH AVENUE AND RIVERDALE ROAD. FLOOD WATERS 1 TO 2
FEET DEEP COVERED THE RIVER BOTTOM LAND ALONG THE SOUTH
PLATTE RIVER. HOWEVER...NO STRUCTURES WERE THREATENED BY
THE FLOOD WATERS.
IN 1999...HEAVY RAIN...UP TO 5 INCHES IN TWO HOURS...CAUSED
EAST TOLLGATE CREEK TO JUMP ITS BANKS. THE BIKE PATH
ADJACENT TO THE CREEK WAS UNDERWATER AT SEVERAL LOCATIONS.
SEVERAL UNDERPASSES WERE ALSO FLOODED...HALTING TRAFFIC.
IN ADDITION...AN UNFINISHED PLAYGROUND AT A LOCAL ELEMENTARY
SCHOOL WAS COMPLETELY FLOODED. LIGHTNING STRUCK A VEHICLE
AT EAST EVANS AVENUE AND TOWER ROAD. THE WOMAN INSIDE THE
VEHICLE WAS NOT INJURED.
IN 2016...A SEVERE THUNDERSTORM PRODUCED A WIND GUST TO 64 MPH
NEAR COMMERCE CITY.
19-30 IN 1875...GRASSHOPPERS APPEARED IN GREAT NUMBERS AT 10:00 AM
ON THE 19TH AND CONTINUED THROUGH THE 30TH. THOUSANDS
LANDED ON THE GROUND. THE STREETS WERE LITERALLY COVERED
WITH THEM. SWARMS OF GRASSHOPPERS WERE SEEN ON EACH DAY.
ALL GARDENS IN THE CITY WERE DEVASTATED...AND IN THE
COUNTRYSIDE THE GRASSHOPPERS WERE VERY DESTRUCTIVE TO RIPENED
GRAIN. ON THE 30TH THE GRASSHOPPERS WERE SO NUMEROUS AS TO
ALMOST DARKEN THE SUN.
20 IN 1980...WINDS TO 55 TO 60 MPH WERE RECORDED IN SOUTH
BOULDER.
IN 1982...STRONG THUNDERSTORM WINDS BLASTED THE JEFFERSON
COUNTY AIRPORT NEAR BROOMFIELD...CAUSING AN ESTIMATED 3
MILLION DOLLARS IN DAMAGE. AT LEAST 5 HANGARS AND 15
AIRPLANES WERE DAMAGED...MANY SERIOUSLY; ONE HANGAR WAS
COMPLETELY DESTROYED. TORRENTIAL RAINS ACCOMPANIED THE
WINDS. HEAVY RAINS ALSO DUMPED ON BOULDER WHERE 1.65
INCHES FELL IN JUST 15 MINUTES...CAUSING STREET FLOODING.
WIND GUSTS TO 72 MPH WERE RECORDED IN BOULDER. OVER HALF
AN INCH OF RAIN FELL IN JUST 5 MINUTES IN LITTLETON WHERE
TWO HOMES WERE STRUCK BY LIGHTNING. LIGHTNING ALSO STRUCK
A HOUSE IN ARVADA WHERE OVER AN INCH OF RAIN SENT RALSTON
CREEK OVER ITS BANKS. STRONG WINDS ACCOMPANIED THE STORMS.
IN 1984...SLOW MOVING THUNDERSTORMS DUMPED 1.25 INCHES OF RAIN
IN EVERGREEN...CAUSING STREET FLOODING. A HALF INCH OF RAIN
FELL IN JUST 18 MINUTES IN SOUTHEAST DENVER. LITTLETON AND
BOULDER WERE ALSO DRENCHED WITH ABOUT AN INCH OF RAIN.
RAINFALL TOTALED 0.92 INCH AT STAPLETON INTERNATIONAL
AIRPORT.
IN 2001...SEVERE THUNDERSTORMS PRODUCED DAMAGING WINDS AND
LARGE HAIL ACROSS METRO DENVER. HAIL AS LARGE 1 INCH IN
DIAMETER FELL IN AURORA NEAR CHERRY CREEK. STRONG
THUNDERSTORM WINDS GUSTING AS HIGH AS 58 MPH BLEW THE ROOF
FROM A BUILDING BETWEEN THORNTON AND DENVER AND TOPPLED
SEVERAL TREES IN DENVER. ONE TREE LANDED ON A MAIL TRUCK.
OTHER THUNDERSTORM WINDS WERE CLOCKED TO 60 MPH NEAR PARKER...
62 MPH IN BROOMFIELD...AND 61 MPH AT DENVER INTERNATIONAL
AIRPORT.
IN 2006...A TORNADO (F0) TOUCHED DOWN NEAR BENNETT...BUT CAUSED
NO REPORTED DAMAGE.
IN 2013...SEVERE THUNDERSTORMS POUNDED THE SOUTHERN DENVER
SUBURBS AND OTHER PARTS OF THE FRONT RANGE. IN JEFFERSON
COUNTY...WATER RESCUES WERE REPORTED FOR SOME PEOPLE IN
STRANDED CARS. IN THE KEN CARYL AREA...LARGE HAIL FROM ONE
INCH TO 1 3/4 INCHES IN DIAMETER WAS REPORTED. ON WEST
CHATFIELD AVENUE IN JEFFERSON COUNTY...HAIL RUNOFF GATHERED
SIX INCHES DEEP IN SPOTS AND "HAIL PLOWS" WERE SENT OUT TO
CLEAR SOME STREETS. HAIL UP TO ONE INCH IN DIAMETER WAS
ALSO REPORTED NEAR CASTLE ROCK.
IN 2022...A SEVERE THUNDERSTORMS PRODUCED HAIL UP TO 1 1/4 INCH
NEAR ASPEN PARK IN JEFFERSON COUNTY.
21 IN 1876...HEAVY THUNDERSTORM RAIN AND HAIL STRUCK THE CITY.
HAIL STONES AS LARGE AS PARTRIDGE EGGS ACCUMULATED TO A
DEPTH OF 1 1/2 FEET OVER EASTERN PORTIONS OF THE CITY.
THE HEAVY RAINFALL FLOODED STREETS AND GUTTERS. HOWEVER...
NO SIGNIFICANT DAMAGE WAS REPORTED. RAINFALL TOTALED 0.85
INCH IN CENTRAL DENVER.
IN 1903...A THUNDERSTORM PRODUCED WEST WINDS SUSTAINED TO
42 MPH WITH GUSTS TO 48 MPH.
IN 1957...HEAVY THUNDERSTORM RAINFALL AND HAIL OVER THE BEAR
CREEK BASIN FLOODED PORTIONS OF STATE HIGHWAY 8 IN AND NEAR
MORRISON. THERE WAS ALSO MINOR PROPERTY DAMAGE IN MORRISON.
IN 1995...A 68-YEAR-OLD WOMAN WAS STRUCK BY LIGHTNING WHILE
STANDING NEAR A TREE IN BRIGHTON.
IN 2006...A SEVERE THUNDERSTORM PRODUCED 7/8 INCH DIAMETER
HAIL IN FRANKTOWN.
IN 2019...SEVERE THUNDERSTORMS PRODUCED HAIL UP TO 1 INCH
IN DIAMETER IN PARTS OF ARAPAHOE...DENVER AND JEFFERSON
COUNTIES. HEAVY RAIN AND FLASH FLOODING...CLOSE TO 2
INCHES IN ONE HOUR...ALSO ACCOMPANIED THE NEARLY STATIONARY
STORMS. IN DENVER...FLASH FLOODING CAUSED SEVERAL
VEHICLES TO BE STRANDED AT MARTIN LUTHER KING BLVD AND
DAHLIA STREET. HIGHWAY 6 NEAR FEDERAL BLVD ALSO FLOODED.
STANDING WATER UP TO 3 FEET DEEP OCCURRED IN PARK HILL.
LASTLY...WATER MADE ITS WAY INTO BUILDINGS NORTH OF
INTERSTATE 70. AT DENVER INTERNATIONAL AIRPORT...JUST
A TRACE OF RAINFALL WAS RECORDED.
IN 2022. A THUNDERSTORM PRODUCED VERY HEAVY RAINFALL AT
DENVER INTERNATIONAL AIRPORT...WHERE 1.14 INCHES OF
RAINFALL WAS OBSERVED. IN ADDITION...THE STORM PRODUCED
A PEAK WIND GUST TO 38 MPH FROM THE SOUTH.
22 IN 1898...AN APPARENT THUNDERSTORM PRODUCED SOUTHWEST
SUSTAINED WINDS TO 40 MPH WITH GUSTS TO 43 MPH.
IN 1903...A LATE AFTERNOON THUNDERSTORM PRODUCED RAIN...HAIL...
AND EAST WINDS SUSTAINED TO 40 MPH WITH GUSTS TO 44 MPH.
IN 1904...THE LOWEST RECORDED TEMPERATURE IN AUGUST...40
DEGREES...OCCURRED. THE SAME TEMPERATURE ALSO OCCURRED ON
THREE CONSECUTIVE DAYS...AUGUST 24...25...AND 26 IN 1910.
IN 1965...HEAVY RAIN AND HAIL CAUSED SOME DAMAGE FROM FLOODING
OVER NORTHERN DOUGLAS COUNTY FROM CASTLE ROCK TO FRANKTOWN.
IN 1981...THUNDERSTORMS MOVED ACROSS METRO DENVER. AT LEAST
5 FUNNEL CLOUD SIGHTINGS WERE REPORTED. FUNNEL CLOUDS
WERE SEEN AT 96TH AVE. AND SHERIDAN BLVD. AND AT 92ND AVE.
AND FEDERAL BLVD. IN WESTMINSTER AND 7 MILES NORTH OF
STAPLETON INTERNATIONAL AIRPORT. LIGHTNING INJURED TWO
PEOPLE IN BOULDER. A QUARTER INCH OF RAIN FELL IN JUST
5 MINUTES IN BRIGHTON. UP TO 3/4 INCH OF RAIN DOUSED
PARKER IN 30 MINUTES.
IN 1983...3/4 INCH DIAMETER HAIL WAS REPORTED AT KITTREDGE...
ALONG WITH 0.60 INCH OF RAIN IN 25 MINUTES.
IN 1984...A THUNDERSTORM DUMPED 4 INCHES OF RAIN ON BRIGHTON
IN 90 MINUTES...CAUSING EXTENSIVE STREET FLOODING IN THE
DOWNTOWN AREA.
IN 1987...OVER AN INCH OF RAIN FELL IN 24 HOURS THROUGHOUT
MOST OF METRO DENVER. A PUBLIC LIBRARY SUFFERED WATER
DAMAGE TO THE CEILING...CARPET...AND A FEW BOOKS. RAINFALL
WAS 0.76 INCH AT STAPLETON INTERNATIONAL AIRPORT.
IN 1990...LIGHTNING KNOCKED OUT POWER TO ABOUT 2500 HOMES IN
LAKEWOOD FOR ABOUT AN HOUR.
IN 1991...NATIONAL WEATHER SERVICE PERSONNEL AT STAPLETON
INTERNATIONAL AIRPORT SIGHTED AN APPARENT TORNADO BRIEFLY
ON THE GROUND 3 MILES WEST-NORTHWEST OF THE AIRPORT. NO
DAMAGE WAS REPORTED.
IN 1995...LIGHTNING STRUCK 3 ELECTRICAL POWER SUBSTATIONS IN
LOUISVILLE. RESIDENCES OF MORE THAN 4500 PEOPLE WERE
WITHOUT POWER FROM 30 MINUTES TO MORE THAN AN HOUR.
IN 1996...BETWEEN 1 AND 3 INCHES OF RAIN FELL ACROSS METRO
DENVER. AS A RESULT...SEVERAL LOW LYING AREAS WERE FLOODED.
A BICYCLIST WAS SWEPT INTO A FAST MOVING CREEK WHEN HE
TRIED TO CROSS A FLOODED BIKE PATH. THE MAN WAS WASHED
DOWNSTREAM ABOUT 15 FEET BEFORE GETTING SNAGGED BY A TREE
STUMP. HE AND A MAN WHO TRIED TO RESCUE HIM RECEIVED
MINOR INJURIES. THE HEAVY RAIN CAUSED NUMEROUS POWER
OUTAGES...FALSE FIRE ALARMS...AND TRAFFIC ACCIDENTS. IN
LAKEWOOD...TELEPHONE SERVICE TO AROUND 60 THOUSAND
RESIDENTS WAS KNOCKED OUT WHEN A SWITCHING CENTER WAS
FLOODED. FUNNEL CLOUDS WERE SIGHTED NEAR CHATFIELD
RESERVOIR AND HIGHLANDS RANCH.
IN 2000...LIGHTNING SPARKED A BLAZE WHICH GUTTED A 10-UNIT
APARTMENT BUILDING IN HIGHLANDS RANCH. TWENTY-EIGHT
PEOPLE WERE LEFT HOMELESS. DAMAGE WAS ESTIMATED AT
2 MILLION DOLLARS.
IN 2007...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL...UP TO
1 1/4 INCHES IN DIAMETER...IN THE VICINITIES OF CASTLE ROCK...
ELIZABETH AND FRANKTOWN.
IN 2013...FLASH FLOODING OCCURRED IN CENTRAL DOUGLAS COUNTY
WITH NUMEROUS ROAD CLOSURES REPORTED. ONE OF THE CLOSURES
OCCURRED AT THE TOMAH ROAD EXIT ALONG I-25...SOUTH OF
CASTLE ROCK. THE CLOSURE BACKED UP ALL I-25 THE WAY TO
CASTLE ROCK. AT DENVER INTERNATIONAL AIRPORT...1.94 INCHES
OF PRECIPITATION WAS RECORDED...WHICH SET A NEW RECORD
RAINFALL FOR THE DATE. THE OLD RECORD WAS 0.75 INCHES...
SET BACK IN 1953.
22-24 IN 1987...FROM THE 22ND TO THE 24TH...SOME LOCATIONS IN METRO
DENVER HAD A TOTAL 3-DAY RAINFALL OF 2 TO 4 INCHES.
RAINFALL TOTALED 0.96 INCH AT STAPLETON INTERNATIONAL
AIRPORT.
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