Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 290045
PNSBOU
COZ030>051-292300-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
645 PM MDT SAT JUN 28 2014

...THIS WEEK IN METRO DENVER WEATHER HISTORY...

29    IN 1874...EIGHT DIFFERENT FIRES IN MOUNTAIN FORESTS WERE
        VISIBLE FROM THE CITY.  ALL OF THE FIRES WERE EXTENSIVE...
        AND THE VOLUME OF SMOKE FROM EACH WAS IMMENSE.  THREE OF
        THESE FIRES HAD BEEN BURNING FROM THE 18TH WITH VARIED
        INTENSITY.
      IN 1911...AN APPARENT DRY MICROBURST PRODUCED SUSTAINED WINDS
        TO 45 MPH.
      IN 1960...A STRONG GUST OF WIND BLEW A SMALL FOREIGN SEDAN OFF
        THE HIGHWAY NEAR BRIGHTON...INJURING THE DRIVER.  EAST WINDS
        GUSTED TO 40 MPH AT STAPLETON AIRPORT.
      IN 1961...THUNDERSTORM WINDS ESTIMATED AS HIGH AS 40 TO 50 MPH
        OCCURRED OVER SOUTHEAST DENVER.  NO SIGNIFICANT DAMAGE WAS
        REPORTED.
      IN 1962...HEAVY RAIN AND SMALL HAIL CAUSED SOME FLOODING IN
        SOUTHWEST DENVER.
      IN 1995...UPSLOPE CLOUDINESS WITH RAIN AND FOG COOLED
        TEMPERATURES TO RECORD LEVELS.  LOW TEMPERATURE OF 47
        DEGREES EQUALED THE RECORD FOR THE DATE.  HIGH TEMPERATURE
        OF ONLY 54 DEGREES SET A NEW RECORD LOW MAXIMUM FOR THE
        DATE.  RAINFALL TOTALED 0.90 INCH AT DENVER INTERNATIONAL
        AIRPORT AND 0.41 INCH AT THE SITE OF THE FORMER STAPLETON
        INTERNATIONAL AIRPORT.
      IN 2003...A SEVERE THUNDERSTORM IN PARKER PRODUCED HAIL TO
        1 INCH IN DIAMETER.
      IN 2011...TWO AIRMEN FROM THE COLORADO NATIONAL GUARD
        SUFFERED MINOR INJURIES WHEN THEY WERE STRUCK BY LIGHTNING.
        THEY WERE HIT WHILE ON DUTY AT A FLIGHT LINE AT BUCKLEY
        AIR FORCE BASE.  AT DENVER INTERNATIONAL AIRPORT...A
        MICROBURST PRODUCED A PEAK WIND GUST TO 72 MPH.
29-2  IN 1990...ALMOST A YEAR TO DATE AFTER THE RECORD BREAKING HEAT
        IN EARLY JULY 1989...THE THIRD LONGEST HEAT WAVE IN DENVER
        HISTORY STARTED.  FROM JUNE 29TH THROUGH JULY 2ND THE
        TEMPERATURE REACHED 100 DEGREES OR MORE ON FOUR CONSECUTIVE
        DAYS.  THE HIGHEST READING OF 102 DEGREES OCCURRED ON THE
        29TH...30TH...AND 1ST.  COMBINED WITH THE 102 DEGREE READING
        ON JUNE 27TH THIS WOULD HAVE BEEN THE LONGEST HEAT WAVE ON
        RECORD...BUT THE TEMPERATURE CLIMBED TO ONLY 98 DEGREES ON
        JUNE 28TH.
29-15 IN 2000...THE 29TH MARKED THE BEGINNING OF A NEAR RECORD HOT
        STREAK FOR METRO DENVER.  THE HIGH TEMPERATURES...AS RECORDED
        AT DENVER INTERNATIONAL AIRPORT...EXCEEDED THE 90 DEGREE MARK
        FOR 17 CONSECUTIVE DAYS FROM JUNE 29TH THROUGH JULY 15TH.
        THE RECORD OF 24 CONSECUTIVE 90 DEGREE OR ABOVE DAYS WAS
        SET FROM JULY 13TH THROUGH AUGUST 5TH...2008.
30    IN 1879...DENSE SMOKE FROM MOUNTAIN FOREST FIRES COVERED THE
        CITY AND OBSCURED THE SUN AS IT SET BEHIND THE MOUNTAINS.
      IN 1900...A THUNDERSTORM PRODUCED NORTHWEST WINDS TO 44 MPH
        WITH GUSTS TO 58 MPH...BUT ONLY A TRACE OF RAIN.
      IN 1917...NORTH WINDS WERE SUSTAINED TO 47 MPH WITH GUSTS TO
        52 MPH.
      IN 1942...A STRONG THUNDERSTORM PRODUCED HAIL AND HEAVY RAINFALL
        IN SOUTH DENVER.  LEAVES WERE STRIPPED FROM TREES AND HEAVY
        RAIN CAUSED STREET FLOODING WHICH HALTED TRAFFIC.  HAIL OF
        UNKNOWN SIZE REACHED A DEPTH OF 9 INCHES ON THE GROUND.
      IN 1965...FUNNEL CLOUDS WERE OBSERVED TO THE SOUTH OF STAPLETON
        INTERNATIONAL AIRPORT AND IN JEFFERSON COUNTY...15 MILES
        SOUTHWEST OF THE AIRPORT.  LATER...A TORNADO TOUCHED DOWN
        BRIEFLY 1 MILE EAST OF LITTLETON...CAUSING ONLY MINOR DAMAGE.
        ANOTHER TORNADO WAS OBSERVED 12 MILES SOUTHWEST OF STAPLETON
        INTERNATIONAL AIRPORT IN JEFFERSON COUNTY.  HAIL TO 3/4 INCH
        IN DIAMETER FELL IN THE BEAR VALLEY AREA...12 MILES SOUTH-
        SOUTHWEST OF STAPLETON INTERNATIONAL AIRPORT.  YET ANOTHER
        TORNADO WAS SIGHTED 10 MILES NORTHWEST OF THE AIRPORT.
        CLOUDBURSTS ACCOMPANIED BY HAIL BATTERED AREAS OF ARAPAHOE
        AND ADAMS COUNTIES EAST OF DENVER...DAMAGING RIPENING GRAIN
        FIELDS.  AT LAFAYETTE...3.50 INCHES OF RAIN FELL IN 30
        MINUTES...CAUSING SOME FLOODING.
      IN 1982...NUMEROUS FUNNEL CLOUDS WERE OBSERVED OVER SOUTHWEST
        METRO DENVER.  ONLY ONE FUNNEL TOUCHED DOWN NEAR THE
        INTERSECTION OF JEWELL AND KIPLING.  THE TORNADO WAS ON THE
        GROUND FOR ABOUT 5 MINUTES AND CAUSED NO DAMAGE EXCEPT FOR
        UPROOTING SOME TREES.  IN ADDITION...THUNDERSTORMS PRODUCED
        HEAVY RAIN AND HAIL IN THE FOOTHILLS WEST OF DENVER.  OVER
        AN INCH OF RAIN FELL IN A SHORT TIME NEAR IDAHO SPRINGS...
        CAUSING CLEAR CREEK TO OVERFLOW ITS BANKS AND FLOOD A FEW
        LOW LYING AREAS OF THE TOWN.  A FEW PEOPLE WERE EVACUATED...
        AND WATER AND MUD ENTERED SEVERAL STORES.  THE HEAVY RAIN
        ALSO WASHED OUT SEVERAL ROADS.  HAIL PILED UP TO A DEPTH OF
        3 TO 4 INCHES NEAR IDAHO SPRINGS.   HAIL TO 3/4 INCH WAS
        REPORTED AT MANY PLACES ACROSS METRO DENVER INCLUDING
        STAPLETON INTERNATIONAL AIRPORT.  LIGHTNING STRUCK A
        CHEMISTRY BUILDING ON THE UNIVERSITY OF COLORADO CAMPUS IN
        BOULDER AND STARTED A SMALL FIRE.  THUNDERSTORM WIND GUSTS
        TO 60 MPH WERE REPORTED NEAR BRIGHTON.
      IN 1984...HEAVY RAIN CAUSED SOME STREET AND BASEMENT FLOODING
        IN LITTLETON.  ONE LOCATION RECEIVED 1.56 INCHES OF RAIN IN
        75 MINUTES.
      IN 1987...A WEAK TORNADO NEAR WATKINS STAYED ON THE GROUND FOR
        5 MINUTES.
      IN 1990...A SMALL TWISTER TOUCHED DOWN IN AN OPEN FIELD JUST
        NORTH OF THE ROCKY MOUNTAIN ARSENAL.  NO DAMAGE WAS
        REPORTED.
      IN 1998...HAIL AS LARGE AS 1 INCH IN DIAMETER FELL NEAR
        EVERGREEN.
      IN 2005...A SEVERE THUNDERSTORM PRODUCED HAIL AS LARGE AS
        3/4 INCH NEAR ROGGEN.  THE HAIL DESTROYED A WHEAT FIELD.
      IN 2006...THE TEMPERATURE REACHED A HIGH OF 98 DEGREES AT
        DENVER INTERNATIONAL AIRPORT.  THIS MARKED THE 19TH DAY
        IN JUNE WITH A MAXIMUM TEMPERATURE OF 90 DEGREES OR MORE
        SETTING A NEW ALL-TIME RECORD FOR THE MONTH.
      IN 2011...VERY STRONG THUNDERSTORM WINDS WERE ALSO OBSERVED
        ACROSS PORTIONS OF THE URBAN CORRIDOR. A PEAK WIND GUST TO
        65 MPH WAS RECORDED...2 MILES NORTHEAST OF BOULDER WITH A
        GUST TO 63 MPH AT FRONT RANGE AIRPORT AT WATKINS AND
        7 MILES SOUTHEAST OF DENVER INTERNATIONAL AIRPORT.  THE
        PEAK WIND GUST MEASURED AT DENVER INTERNATIONAL AIRPORT
        ITSELF WAS 45 MPH.  A SEVERE THUNDERSTORM ALSO PRODUCED
        ONE INCH IN DIAMETER HAIL 2 MILES SOUTH-SOUTHEAST OF
        PARKER. IN ADDITION...A LIGHTNING STRIKE DESTROYED A HOME
        IN NORTH DENVER.
30-1  IN 1873...HEAVY RAINFALL OVERNIGHT TOTALED 1.42 INCHES.
        MOUNTAIN PEAKS TO THE SOUTHWEST OF THE CITY WERE COVERED
        WITH FRESH SNOW ON THE MORNING OF THE 1ST.
1     IN 1915...NORTHEAST WINDS SUSTAINED TO 41 MPH WITH GUSTS TO
        50 MPH OCCURRED JUST BEFORE A THUNDERSHOWER IN THE EVENING.
        RAINFALL WAS ONLY 0.07 INCH.
      IN 1941...UNUSUALLY HEAVY THUNDERSTORM RAINS FLOODED
        BASEMENTS AND BLOCKED TRAFFIC.  WATER WAS CURB HIGH
        ON MANY DOWNTOWN STREETS.  THE THUNDERSTORM ALSO PELTED
        THE CITY WITH HAIL OF UNKNOWN SIZE.  RAINFALL IN
        DOWNTOWN DENVER TOTALED 0.72 INCH...BUT GREATER AMOUNTS
        LIKELY OCCURRED IN OTHER PARTS OF THE CITY.
      IN 1960...A SEVERE DUST DEVIL MOVING THROUGH AN ADAMS COUNTY
        SUBURBAN AREA BLEW OVER A FIREWORKS STAND...INJURING AN 11-
        YEAR-OLD BOY CUSTOMER AND TWO WOMEN OPERATORS OF THE STAND.
        THE BOY WAS FOUND UNDER THE DEMOLISHED STAND 100 FEET AWAY.
      IN 1961...HAIL AS LARGE AS 1 1/4 INCHES IN DIAMETER WAS
        REPORTED OVER EAST DENVER.
      IN 1967...GOLF BALL SIZE HAIL FELL OVER PORTIONS OF METRO
        DENVER.  HAIL STONES TO 2 INCHES IN DIAMETER DAMAGED ROOFS
        AND BROKE WINDOWS IN NORTHEAST BOULDER.  MARBLE TO GOLF BALL
        SIZE HAIL FELL AT THE BOULDER AIRPORT.  A FUNNEL CLOUD WAS
        SIGHTED OVER THE FOOTHILLS NEAR BOULDER.  HAIL STONES OF 1
        TO 2 INCHES IN DIAMETER WERE MEASURED AT JEFFERSON COUNTY
        AIRPORT NEAR BROOMFIELD.  MARBLE SIZE HAIL FELL IN THE
        VICINITY OF ARVADA AND WESTMINSTER.
      IN 1982...SEVERE THUNDERSTORMS DROPPED LARGE HAIL IN DENVER...
        BOULDER...COMMERCE CITY...LAKEWOOD...WHEAT RIDGE...GOLDEN...AND
        ARVADA.  MOST LOCATIONS REPORTED HAIL SIZE FROM 3/4 TO 1 1/4
        INCHES IN DIAMETER.
      IN 1990...THE HIGH TEMPERATURE REACHED 102 DEGREES AT
        STAPLETON INTERNATIONAL AIRPORT.
      IN 1998...HAIL TO 1 1/2 INCHES IN DIAMETER FELL NEAR BENNETT.
      IN 2001...THE TEMPERATURE CLIMBED TO A HIGH OF 101 DEGREES AT
        DENVER INTERNATIONAL AIRPORT.
1-18  IN 1874...A STREAK OF 18 CONSECUTIVE DAYS OF 90 DEGREES
        TIED FOR SECOND WITH ANOTHER STREAK THAT WAS LATER SET
        IN THE SUMMER OF 1901. THE RECORD OF 24 CONSECUTIVE DAYS
        WAS ESTABLISHED IN THE SUMMER OF 2008.
1-31  IN 2012...IT WAS THE HOTTEST JULY ON RECORD IN DENVER SINCE
        WEATHER RECORDS BEGAN IN 1872.  THE AVERAGE TEMPERATURE FOR
        THE MONTH WAS 78.9 DEGREES WHICH WAS 4.7 DEGREES ABOVE
        NORMAL. THERE WERE 27 DAYS IN WHICH THE HIGH TEMPERATURE
        EQUALED OR EXCEEDED 90 DEGREES...WHICH ESTABLISHED A NEW
        RECORD.  THERE WERE ALSO 7 DAYS IN WHICH THE TEMPERATURE
        EQUALED OR EXCEEDED 100 DEGREES WHICH TIED THE RECORD
        SET IN 2005.
2     IN 1879...A SEVERE HAIL STORM PRODUCED CONSIDERABLE DAMAGE
        IN THE VICINITY OF ARVADA.  SOME OF THE STONES WERE
        UNUSUALLY LARGE...MEASURING 6.5 INCHES IN CIRCUMFERENCE
        (2 INCHES IN DIAMETER) WITH AN AVERAGE WEIGHT OF 1 OUNCE.
        THE STONES WERE UNIFORMLY LARGE WITH ONE SIDE CONCAVE.
        THE GREATEST DAMAGE WAS TO EARLY WHEAT...CABBAGE...AND VINES.
        A TREE JUST TO THE SOUTH OF THE WEATHER STATION IN DOWNTOWN
        DENVER WAS STRUCK BY LIGHTNING.  RESIDENTS IN THE HOUSE
        15 FEET AWAY WERE AFFECTED BY THE STRIKE.
      IN 1885...THUNDERSTORM WINDS WERE SUSTAINED TO 50 MPH IN THE
        CITY.
      IN 1892...AN APPARENT COLD FRONT PRODUCED SUSTAINED NORTHEAST
        WINDS TO 40 MPH WITH GUSTS TO 45 MPH.
      IN 1955...A APPARENT MICROBURST WIND GUST TO 69 MPH WAS
        RECORDED AT STAPLETON AIRPORT WHERE THE BRIEF STRONG WIND
        REDUCED THE VISIBILITY TO ZERO IN BLOWING DUST.
      IN 1965...HAIL...UP TO 2 INCHES IN DIAMETER...STRUCK SOUTHWEST
        ADAMS AND NORTHEAST DENVER COUNTIES...DAMAGING CARS...WINDOWS...
        AND FOLIAGE.  HAIL ACCUMULATED UP TO A FOOT DEEP.  WIND
        GUSTS TO 48 MPH AND HAIL TO 1 INCH IN DIAMETER FELL AT
        STAPLETON INTERNATIONAL AIRPORT WHERE THE LARGE HAIL BROKE
        THREE STORM WINDOWS AND SHREDDED SHRUBS AT THE U.S. WEATHER
        BUREAU UPPER AIR BUILDING.
      IN 1968...A PILOT REPORTED A TORNADO 10 MILES SOUTHEAST OF
       PARKER.
      IN 1971...ONE INCH DIAMETER HAIL STONES WERE REPORTED IN ADAMS
        COUNTY ABOUT 30 MILES EAST OF DENVER.
      IN 1987...A LARGE TORNADO TOUCHED DOWN 10 MILES NORTHEAST OF
        STAPLETON INTERNATIONAL AIRPORT.  THE TORNADO WAS VERTICAL
        AND THICK AND KICKED UP A LARGE DUST AND DEBRIS CLOUD.
        LATER...IT DEVELOPED A SINUOUS ROPE-LIKE SHAPE AS IT SLOWLY
        DISSIPATED.  THE TORNADO WAS VISIBLE FOR 15 MINUTES.  THE
        TWISTER OCCURRED IN OPEN COUNTRY AND DID ONLY MINOR DAMAGE
        TO A METAL SHED...PORCH...AND MAILBOX.  A MAN WAS KILLED BY
        LIGHTNING IN SOUTHWEST AURORA.  HE WAS IN HIS BACKYARD AND
        HAD A SHOVEL IN HIS HAND AT THE TIME OF THE STRIKE.  A GROUP
        OF SOCCER PLAYERS WERE HIT BY LIGHTNING ON A FIELD IN
        BOULDER.  A 10-YEAR-OLD BOY WAS CRITICALLY INJURED AND
        HOSPITALIZED; FORTUNATELY HE RECOVERED.  SIX OTHER PEOPLE
        WERE KNOCKED TO THE GROUND BY THE STRIKE.  TWO OF THESE WERE
        SLIGHTLY INJURED.  GOLF BALL SIZE HAIL FELL JUST EAST OF
        LITTLETON AND AT HIGHLANDS RANCH.  HAIL AS LARGE AS 3/4 INCH
        IN DIAMETER WAS REPORTED IN AURORA AND PARKER AND NEAR HUDSON
        AND FRANKTOWN.
      IN 1988...A 45-YEAR-OLD MAN WAS INJURED BY LIGHTNING AT CHERRY
        CREEK RESERVOIR.  ADMINISTRATION OF CPR PROBABLY SAVED HIS
        LIFE.
      IN 1990...THE TEMPERATURE REACHED A HIGH OF 100 DEGREES AT
        STAPLETON INTERNATIONAL AIRPORT.
      IN 1993...THUNDERSTORM WINDS BLEW A ROOF OFF A BARN NEAR
        PARKER...CAUSING AN ESTIMATED 15 HUNDRED DOLLARS DAMAGE.
      IN 1994...THUNDERSTORM WINDS DOWNED POWER LINES IN BOULDER...
        CAUSING POWER OUTAGES.  WINDS GUSTED TO 66 MPH IN BOULDER...
        64 MPH IN ARVADA...AND 60 MPH IN GOLDEN.
      IN 1998...A SMALL TORNADO TOUCHED DOWN BRIEFLY NEAR BARR LAKE...
        BUT CAUSED NO DAMAGE.
      IN 2002...HAIL AS LARGE AS 1 3/4 INCHES IN DIAMETER FELL IN
        THE CITY OF DENVER AND IN ARAPAHOE COUNTY NEAR LITTLETON.
        THE LOW TEMPERATURE OF 69 DEGREES EQUALED THE RECORD HIGH
        MINIMUM FOR THE DATE.
      IN 2006...LIGHTNING STRUCK A TEENAGER IN CASTLE ROCK AS HE
        WAS MOWING HIS LAWN AND LISTENING TO AN IPOD.  THE TEEN
        SUFFERED BURNS TO HIS HANDS AND FEET...AND HAD BLOOD
        RUNNING FROM HIS EARS WHEN HE WAS FOUND.  THE VICTIM`S
        EARDRUMS WERE RUPTURED...WHICH DAMAGED HIS HEARING.
        LIGHTNING ALSO STRUCK A HOUSE IN CASTLE ROCK CAUSING
        EXTENSIVE DAMAGE TO THE ROOF AND SIDE OF THE HOME.
        HEAVY RAINS CAUSED FLASH FLOODING AT CASTLEWOOD CANYON
        STATE PARK NEAR FRANKTOWN.  THE FLOODWATERS DESTROYED
        FOUR FOOTBRIDGES ALONG THE HIGH TRAIL.  A CULVERT AND
        SEVERAL ROADS WERE WASHED OUT IN THE AREA.  IN ADDITION...
        TWO DRIVEWAYS CROSSING CHERRY CREEK WERE WASHED OUT NEAR
        PRAIRIE CANYON RANCH.  HEAVY RAINFALL ALSO CAUSED MINOR
        FLOODING ON MURPHY AND SAND CREEKS...JUST EAST OF BUCKLEY
        AFB.  GUN CLUB ROAD WAS CLOSED BETWEEN ALAMEDA AND
        MISSISSIPPI AVENUES...NORTH OF THE MURPHY CREEK GOLF
        COURSE...WHERE 3 FEET OF STANDING WATER REPORTEDLY COVERED
        THE ROAD.  A SEVERE THUNDERSTORM PRODUCED LARGE HAIL TO
        7/8 INCH IN DIAMETER IN SOUTH AURORA NEAR CHERRY CREEK.
3     IN 1874...THE TEMPERATURE CLIMBED TO A HIGH OF 101 DEGREES
        IN DOWNTOWN DENVER.
      IN 1881...THE ALL TIME HIGHEST RECORDED DAILY MINIMUM
        TEMPERATURE OF 77 DEGREES OCCURRED IN THE CITY.  THIS
        WAS ALSO THE HIGHEST DAILY MINIMUM TEMPERATURE EVER
        RECORDED IN JULY.
      IN 1885...A SEVERE THUNDERSTORM PRODUCED HAIL THE SIZE OF
        HAZEL NUTS...WHICH FELL WITH GREAT FORCE.  A TELEGRAPH
        POLE IN WEST DENVER WAS STRUCK BY LIGHTNING AND SHATTERED
        TO PIECES.
      IN 1955...A BRIEF MICROBURST WIND GUST TO 61 MPH WAS RECORDED
        AT STAPLETON AIRPORT.
      IN 1960...A MAJOR HAIL STORM CAUSED 1.5 MILLION DOLLARS IN
        DAMAGE ACROSS METRO DENVER.  THE HEAVIEST DAMAGE OCCURRED IN
        SOUTH DENVER...ENGLEWOOD...LITTLETON...AND GOLDEN FROM WIND-
        DRIVEN HAIL AS LARGE AS GOLF BALLS AND HEAVY RAIN WHICH
        CAUSED FLOODING.  WINDS WERE ESTIMATED AT 60 TO 70 MPH.
        RAINFALL WAS ESTIMATED AT 2 TO 3 INCHES.  HAIL ACCUMULATED
        3 TO 4 INCHES DEEP IN SOME SECTIONS.  HAIL CARRIED BY FLOOD
        WATERS DRIFTED 3 TO 4 FEET DEEP.  AN ENGLEWOOD POLICEMAN WAS
        INJURED WHEN HAIL BROKE THE WINDSHIELD OF HIS CAR.  ONE INCH
        OF RAIN IN 10 MINUTES...AND HEAVY HAIL DAMAGE WERE REPORTED IN
        PARKER.  AT SOME PLACES THE HAIL FROM THE STORM WAS STILL ON
        THE GROUND THE NEXT MORNING.
      IN 1967...LARGE HAIL STONES FROM 1 3/4 TO 2 1/2 INCHES IN
        DIAMETER DAMAGED CARS AND BUILDINGS IN SOUTHWEST DENVER AND
        LITTLETON WHERE HAIL DRIFTED TO DEPTHS OF 3 TO 4 FEET.  THE
        HAIL CAUSED A GREAT DEAL OF DAMAGE...AND STREETS WERE FLOODED
        BY HEAVY RAIN OVER MANY SECTIONS OF WEST METRO DENVER.  AT
        CENTENNIAL RACE TRACK NEAR LITTLETON...A FEW HAIL STONES
        WERE AS LARGE AS TENNIS BALLS.  LARGE HAIL BROKE THE
        WINDSHIELD ON A LITTLETON POLICE CAR.  GOLF BALL TO TENNIS
        BALL SIZE HAIL FELL IN THE VICINITY OF ARAPAHOE ROAD AND
        SOUTH BROADWAY.  ONE INCH DIAMETER HAIL FELL AT THE
        INTERSECTION OF ORCHARD AND SOUTH UNIVERSITY.  GOLF BALL
        SIZE HAIL FELL IN BROOMFIELD.  HAIL IN WESTMINSTER WAS
        MEASURED FROM 1 TO 1 1/4 INCHES IN DIAMETER.  TORNADOES
        WERE SIGHTED BY THE PUBLIC NEAR CHERRY CREEK RESERVOIR...
        NORTH OF COMMERCE CITY...AND IN ARVADA...BUT CAUSED NO
        REPORTABLE DAMAGE.
      IN 1993...HIGH WINDS DEVELOPED BEHIND A STRONG COLD FRONT ALONG
        PORTIONS OF THE FRONT RANGE.  WHILE THE STRONGEST WINDS WERE
        REPORTED NORTH OF METRO DENVER...THE WINDS BLEW OUT A HALF
        INCH THICK PANE OF GLASS FROM A VACANT 9-STORY BUILDING.
        THE GLASS LANDED ON A PARKED CAR BELOW.  WEST WINDS GUSTING
        TO 52 MPH KICKED UP SOME BLOWING DUST AT STAPLETON
        INTERNATIONAL AIRPORT.
      IN 1996...LIGHTNING SPARKED A SMALL FIRE NEAR BUFFALO CREEK
        IN SOUTHERN JEFFERSON COUNTY.  ONLY ONE ACRE BURNED BEFORE
        THE FIRE WAS CONTAINED.
      IN 2002...HEAVY THUNDERSTORM RAIN WASHED OUT A FRONTAGE ROAD
        6 MILES NORTH OF LARKSPUR.  THE NEARBY MOUNTAIN RANCH
        SUBDIVISION WAS ALSO FLOODED.  HEAVY RAINFALL IN THE
        HAYMAN FIRE BURN AREA WASHED OUT A SECONDARY ROAD WHEN
        DEBRIS FROM THE RUNOFF BLOCKED A CULVERT.  HAIL AS LARGE
        AS 3/4 INCH FELL NEAR KEENESBURG...IN CASTLE ROCK...AND
        7 MILES TO THE SOUTH OF CASTLE ROCK.
      IN 2005...SEVERE THUNDERSTORMS PRODUCED HIGH WINDS.  WIND
        GUSTS TO 75 MPH WERE MEASURED NEAR LONGMONT AND TO 60 MPH
        JUST WEST OF BOULDER.  NO DAMAGE WAS REPORTED.
      IN 2007...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL IN THE
        FOOTHILLS AND SUBURBS WEST OF DENVER.  LARGE HAIL FROM
        1 TO 2 INCHES IN DIAMETER WAS REPORTED IN THE VICINITY OF
        IDAHO SPRINGS...ROLLINS AND EDGEWATER.
      IN 2009...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL AND
        NORTH AND EAST OF DENVER.  HAIL UP TO ONE INCH IN
        DIAMETER WAS OBSERVED NEAR ERIE AND FIRESTONE.  HAIL UP
        TO 1 3/4 INCHES WAS OBSERVED 5 TO 6 MILES WEST-SOUTHWEST
        OF BYERS.  THE GOLFBALL SIZE HAIL CAUSED EXTENSIVE DAMAGE
        TO A WHEAT FIELD.  IN AURORA...SIX CHILDREN RECEIVED MINOR
        INJURIES WHEN LIGHTNING STRUCK A NEARBY TREE.  THE
        INJURIES OCCURRED WHEN THEY WERE KNOCKED DOWN BY THE BLAST.
        NONE OF THE CHILDREN SUFFERED BURNS OR APPEARED TO HAVE
        BEEN DIRECTLY HIT BY LIGHTNING.
4     IN 1874...THE TEMPERATURE REACHED A HIGH OF 102 DEGREES IN
        DOWNTOWN DENVER.  LARGE FOREST FIRES IN THE MOUNTAINS FROM
        THE WEST-NORTHWEST TO THE SOUTH FILLED THE ATMOSPHERE OVER
        THE CITY WITH DENSE SMOKE.
      IN 1885...A THUNDERSTORM PRODUCED SUSTAINED WINDS TO 44 MPH
        WITH GUSTS TO 60 MPH.  A CIRCUS TENT WAS TATTERED BY THE
        STRONG WINDS.
      IN 1900...A THUNDERSTORM PRODUCED NORTHWEST WINDS SUSTAINED TO
        42 MPH WITH GUSTS TO 51 MPH...BUT ONLY 0.05 INCH OF RAIN.
      IN 1903...THE ALL TIME LOWEST TEMPERATURE EVER RECORDED IN
        JULY...42 DEGREES...OCCURRED. THE TEMPERATURE ALSO OCCURRED
        ON JULY 31...1873.
      IN 1910...THUNDERSTORM WINDS WERE SUSTAINED TO 42 MPH FROM THE
        SOUTHWEST.
      IN 1922...THUNDERSTORM WINDS WERE SUSTAINED TO 37 MPH WITH
        GUSTS TO 48 MPH.
      IN 1956...A THUNDERSTORM WIND GUST TO 54 MPH WAS RECORDED AT
        STAPLETON AIRPORT.
      IN 1964...SEVERAL MEN WERE KNOCKED DOWN BY A BOLT OF LIGHTNING
        WHILE PLAYING GOLF IN SOUTH METRO DENVER.  THEY GOT UP AND
        RAN FOR COVER WHEN ONE OF THEM WAS STRUCK BY A SECOND BOLT.
        HE SUFFERED BURNS AND SHOCK.
      IN 1987...A WEAK TORNADO WAS OBSERVED FOR 6 MINUTES...7 MILES
        NORTHEAST OF WATKINS.  HAIL 3/4 TO 1 1/4 INCHES IN DIAMETER
        FELL IN SOUTHEAST AURORA.
      IN 1988...LIGHTNING STRUCK A GROUP OF PEOPLE AT THE JEFFERSON
        COUNTY FAIRGROUNDS.  A 42-YEAR-OLD WOMAN WAS SERIOUSLY
        INJURED AND WAS HOSPITALIZED FOR 3 DAYS.  FOUR OTHER PEOPLE
        SUSTAINED MINOR INJURIES.
      IN 1993...STRONG NORTHWEST WINDS UPROOTED SEVERAL TREES ACROSS
        METRO DENVER.  WIND GUSTS TO 64 MPH WERE REPORTED AT ERIE
        NORTH OF DENVER.  A WEST WIND GUST TO 43 MPH WAS RECORDED
        AT STAPLETON INTERNATIONAL AIRPORT.
      IN 1995...LIGHTNING STRUCK AND INJURED TWO PEOPLE STANDING IN
        A FIELD IN ARVADA.
      IN 1998...HEAVY THUNDERSTORM RAIN...UP TO 2.75 INCHES...AND
        MARBLE SIZE HAIL COMBINED TO FLOOD LOCAL ROADS AND FIELDS
        NEAR ROGGEN.
      IN 2002...HEAVY THUNDERSTORM RAIN IN THE HAYMAN FIRE BURN AREA
        CAUSED FLASH FLOODING.  IN JEFFERSON COUNTY...GULCH ROAD WAS
        WASHED OUT.  IN DOUGLAS COUNTY...HIGH WATER WASHED OUT SOME
        FOREST ACCESS ROADS AS WELL...GENERALLY TO THE EAST OF A LINE
        EXTENDING FROM SIGNAL BUTTE TO DECKERS.
      IN 2010...INTENSE THUNDERSTORMS PRODUCED TORRENTIAL RAINFALL...
        IN EXCESS OF 5 INCHES IN ONE HOUR...AND CAUSED FLASH FLOODING
        IN THE VICINITY OF ELIZABETH.  NUMEROUS COUNTY ROADS WERE
        WASHED OUT.  THE COMBINATION OF HEAVY RAIN AND HAIL MADE IT
        NECESSARY TO RUN SNOW PLOWS THROUGH TOWN.  EXTENSIVE
        BASEMENT FLOODING WAS ALSO REPORTED.  SEVERE THUNDERSTORMS
        PRODUCED LARGE HAIL FROM AURORA SOUTH TO ELIZABETH AND
        LARKSPUR.  THE HAIL SIZE RANGED FROM 1 TO 2 INCHES IN
        DIAMETER.  A WET MICROBURST PRODUCED 1.84 INCHES OF RAINFALL
        AT DENVER INTERNATIONAL AIRPORT.  A PEAK WIND GUST TO 48 MPH
        WAS ALSO OBSERVED FROM THE NORTHEAST.
4-5   IN 1875...NEARLY EVERY RAILROAD RUNNING INTO THE CITY WAS
        DAMAGED BY HEAVY THUNDERSTORM RAINS.  THE HEAVY RAINS
        WASHED OUT WOODEN BRIDGES OVER NORMALLY DRY CREEKS.
        SOME TRAINS WERE ENTIRELY SUSPENDED.  IN THE CITY...HEAVY
        THUNDERSTORM RAIN TOTALED 1.05 INCHES ON THE 4TH...BUT
        ONLY 0.28 INCH ON THE 5TH.
4-8   IN 1989...ONE OF THE MOST INTENSE HEAT WAVES ON RECORD ROASTED
        METRO DENVER.  THE TEMPERATURE REACHED 100 DEGREES OR MORE
        ON 5 CONSECUTIVE DAYS.  THE CITY HAD PREVIOUSLY NEVER
        RECORDED MORE THAN 2 STRAIGHT 100-DEGREE DAYS SINCE RECORDS
        BEGAN IN 1872.  WATER AND ELECTRICITY USAGE REACHED ALL TIME
        HIGHS.  THE HEAT WAVE CREATED EXTREMELY DRY WEATHER
        CONDITIONS...WHICH CONTRIBUTED TO A MAJOR FOREST FIRE IN
        BOULDER CANYON ON JULY 9TH.  THE TEMPERATURE REACHED 103
        DEGREES ON THE 8TH...AND THE MERCURY CLIMBED TO 101 DEGREES
        ON BOTH THE 4TH AND 5TH...AND TO 102 DEGREES ON BOTH THE
        6TH AND 7TH.  THE LOW TEMPERATURE OF 68 DEGREES ON THE 8TH
        EQUALED THE RECORD HIGH MINIMUM FOR THE DATE.
5     IN 1908...A LATE EVENING THUNDERSTORM PRODUCED SUSTAINED NORTH
        WINDS TO 40 MPH...HAIL...AND 0.45 INCH OF PRECIPITATION.
      IN 1949...A DUST DEVIL...POSSIBLY A SMALL TORNADO...WAS OBSERVED
        3 MILES TO THE NORTHWEST OF STAPLETON AIRPORT.
      IN 1973...THE TEMPERATURE REACHED 100 DEGREES AT STAPLETON
        INTERNATIONAL AIRPORT.
      IN 1974...STRONG THUNDERSTORM WINDS DAMAGED A MOBILE HOME...A
        BARN...TWO HOUSES...AND SEVERAL SHEDS NEAR WATKINS.
      IN 1975...A THUNDERSTORM WIND GUST TO 53 MPH WAS RECORDED AT
        STAPLETON INTERNATIONAL AIRPORT.  HAIL UP TO 3/4 INCH IN
        DIAMETER FELL OVER THE NORTHWEST SUBURBS AND IN NORTHWEST
        DENVER.
      IN 1977 THREE HOUSES IN DENVER WERE STRUCK BY LIGHTNING.
        SOME HEAVY DAMAGE AND FIRE OCCURRED.
      IN 1990...LIGHTNING CAUSED MINOR DAMAGE TO HOUSES IN CASTLE
        ROCK...LOUVIERS...AND LITTLETON.
      IN 1996...LIGHTNING CAUSED ONLY MINOR DAMAGE WHEN IT STRUCK
        A HOME IN EVERGREEN.  LIGHTNING FROM A FAST MOVING
        THUNDERSTORM BLASTED A LARGE HOLE IN THE SIDE OF A HOUSE
        IN LAKEWOOD.  LIGHTNING TRIGGERED A MINOR POWER OUTAGE IN
        THE BOULDER AREA.  ABOUT 200 HOMES WERE AFFECTED.
      IN 2001...SEVERE THUNDERSTORM WINDS GUSTED TO 60 MPH AT DENVER
        INTERNATIONAL AIRPORT AND TO 70 MPH...7 MILES SOUTHWEST OF
        THE AIRPORT.
      IN 2008...MICROBURST WINDS DOWNED A LARGE TREE AND SOME POWER
        LINES NEAR A DENVER APARTMENT COMPLEX.  SEVERAL OF THE
        TENANTS` VEHICLES WERE DAMAGED.
      IN 2009...A WET MICROBURST PRODUCED VERY STRONG WINDS IN AND
        JUST EAST OF DENVER.  A PEAK WIND GUST OF 69 MPH WAS
        MEASURED 1.5 MILES EAST OF DENVER.  IN ADDITION...1.50
        INCHES OF RAIN FELL IN 30 MINUTES.  A PEAK WIND GUST TO
        68 MPH WAS ALSO OBSERVED NEAR BYERS.  SOUTHWEST WINDS
        GUSTED TO 31 MPH AT DENVER INTERNATIONAL AIRPORT.  THE
        AIRPORT ALSO RECIEVED 0.30 INCHES OF RAINFALL.

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