038
NOUS45 KBOU 110859
PNSBOU
COZ030>051-112300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT THU JUN 11 2026
..TODAY IN METRO DENVER WEATHER HISTORY
10-11 IN 1882...HEAVY THUNDERSTORM RAINS ON THE MORNING OF THE
10TH CAUSED A RAPID RISE IN DRY CREEK...WHICH ENTERS THE
SOUTH PLATTE RIVER AT FAIRVIEW IN PRESENT DAY SOUTH
DENVER. THIS...COMBINED WITH ADDITIONAL HEAVY RAINFALL
ON THE 11TH CAUSED THE SOUTH PLATTE RIVER TO OVERFLOW.
FIVE PEOPLE DROWNED AND SEVERAL HOUSES WERE DESTROYED.
TOTAL LOSSES IN THE CITY AND SUBURBS WAS ESTIMATED AT 75
THOUSAND DOLLARS. TOTAL RAINFALL IN CENTRAL DENVER WAS
2.21 INCHES OVER THE 2 DAYS.
IN 2013...THE HIGH TEMPERATURE OF 99 DEGREES ON THE 10TH
BROKE THE PREVIOUS RECORD MAXIMUM TEMPERATURE OF 97 FOR
THE DATE. ALSO...THE MINIMUM TEMPERATURE OF 68 AND HIGH
TEMPERATURE OF 100 DEGREES ON THE 11TH ESTABLISHED A NEW
RECORD FOR HIGHEST MINIMUM AND MAXIMUM TEMPERATURE FOR
THE DATE.
11 IN 1947...A TRACE OF SNOW FELL OVER DOWNTOWN DENVER. LOW
TEMPERATURE OF 34 DEGREES WAS A RECORD MINIMUM FOR THE
DATE.
IN 1962...HAIL CAUSED EXTENSIVE CROP DAMAGE NEAR HUDSON
NORTHEAST OF DENVER.
IN 1970...STRATIFORM RAINFALL TOTALED 3.16 INCHES AT STAPLETON
INTERNATIONAL AIRPORT. THIS WAS THE GREATEST AMOUNT OF
PRECIPITATION EVER RECORDED ON A CALENDAR DAY IN JUNE.
IN ADDITION...IT WAS THE GREATEST AMOUNT OF PRECIPITATION
EVER MEASURED DURING ANY 24-HOUR PERIOD IN JUNE. THE HIGH
TEMPERATURE CLIMBED TO ONLY 51 DEGREES...WHICH WAS A RECORD
LOW MAXIMUM FOR THE DATE.
IN 1973...LARGE HAIL FROM 3/4 TO 1 1/2 INCHES IN DIAMETER FELL
WEST OF BOULDER.
IN 1977...GOLF BALL SIZE HAIL WAS REPORTED JUST SOUTH OF
ARAPAHOE COUNTY AIRPORT...NOW CENTENNIAL AIRPORT. LIGHTNING
STRUCK A HOME IN LAKEWOOD.
IN 1988...A 30-YEAR-OLD MAN WAS SERIOUSLY INJURED BY LIGHTNING
WHILE MOWING HIS LAWN IN DENVER.
IN 1992...LIGHTNING STARTED TWO HOUSE FIRES IN THE SOUTHERN
DENVER SUBURBS WHERE 3/4 INCH HAIL FELL AND A FUNNEL CLOUD
WAS SIGHTED.
IN 1999...SEVERE THUNDERSTORMS FORMED OVER THE PALMER DIVIDE
AND MOVED ACROSS DOUGLAS...ELBERT...AND ADAMS COUNTIES.
HAIL AS LARGE AS 1 INCH IN DIAMETER WAS REPORTED IN AND
NEAR CASTLE ROCK...SEDALIA...FRANKTOWN...AND AURORA. HAIL
AS LARGE AS GOLFBALLS ACCUMULATED SEVERAL INCHES DEEP
AND CAUSED A LARGE SECTION OF A CORRUGATED METAL ROOF OF
A GREENHOUSE COMPLEX TO COLLAPSE NEAR FRANKTOWN. ABOUT A
THIRD OF THE ROOF COVERING THE 30 THOUSAND SQUARE FOOT
BUILDING COLLAPSED. THIRTY-FIVE WORKERS WERE TRAPPED IN
THE DEBRIS...BUT ONLY 3 WERE TREATED FOR MINOR INJURIES.
HAIL 1 TO 2 FEET DEEP BLOCKED THE ROADWAYS AND SLOWED THE
ARRIVAL OF EMERGENCY VEHICLES. DAMAGE TO THE BUILDING
WAS ESTIMATED TO BE AROUND 3 MILLION DOLLARS.
IN 2006...A MAN WAS STRUCK AND KILLED BY LIGHTNING AS HE WAS
RETURNING TO HIS CAR AFTER LEAVING THE MILE HIGH FLEA
MARKET NEAR HENDERSON. TWO OTHERS WERE KNOCKED DOWN...BUT
NOT INJURED BY THE LIGHTNING STRIKE. SEVERE THUNDERSTORMS
PRODUCED LARGE HAIL ACROSS THE NORTHERN PORTION OF METRO
DENVER. HAIL TO 1 1/4 INCHES IN DIAMETER WAS MEASURED IN
ARVADA...WITH 1 INCH DIAMETER HAIL REPORTED NEAR FORT
LUPTON. HAIL TO 7/8 INCH IN DIAMETER WAS RECORDED NEAR
BRIGHTON...AND HAIL...3/4 INCH IN DIAMETER...FELL NEAR
KEENESBURG.
IN 2009...LARGE HAIL PUMMELLED PORTIONS OF ADAMS...ARAPAHOE...
ELBERT AND DOUGLAS COUNTIES. HAIL UP TO 1 1/2 INCHES IN
DIAMETER WAS MEASURED NEAR PARKER.
IN 2010...SEVERE THUNDERSTORMS PRODUCING VERY LARGE HAIL
PUMMELED PORTIONS OF FRONT RANGE FOOTHILLS AND URBAN
CORRIDOR. THE LARGE HAIL RANGED IN SIZE FROM 1 TO
2 1/2 INCHES...CAUSED EXTENSIVE DAMAGE TO HOME AND
VEHICLES. THE HARDEST HIT AREAS INCLUDED: BRIGHTON...
CASTLE ROCK...GREENLAND...IDLEDALE...MOUNTAIN VIEW AND
THORNTON. THE COMBINATION OF HEAVY RAIN AND HAIL
DESTROYED 50 THOUSAND ACRES OF CROPLAND IN SOUTHEAST WELD
COUNTY. FLASH FLOODING FORCED THE CLOSURE OF STATE
HIGHWAY 52...EAST OF PROSPECT VALLEY. SEVERAL COUNTY ROADS
WERE EITHER FLOODED OR COMPLETELY WASHED OUT. AT DENVER
INTERNATIONAL AIRPORT...0.69 INCHES OF RAINFALL WAS
OBSERVED.
IN 2015...THUNDERSTORMS PRODUCED FLASH FLOODING IN DENVER
AND PARTS OF THE METROPOLITAN AREA. IN DOWNTOWN DENVER...
PARKED CARS HAD STANDING WATER RISING MIDWAY UP THE WHEELS.
DENVER FIRE CREWS HAD TO RESCUE MOTORISTS FROM FLOODED
INTERSECTIONS AND ROADS. IN GLENDALE...TWO LANES OF
NORTHBOUND COLORADO BLVD. AT EXPOSITION AVE. WERE CLOSED
DUE TO FLOODING. IN AURORA...WATER WAS REPORTEDLY FLOWING
OVER THE ROADS AT EAST 6TH AVE. AND SOUTH PACADILLY ROAD.
ADDITIONAL FLOODING WAS REPORTED ON SOUTH GUN CLUB ROAD...
BETWEEN EAST ALAMEDA AVE. AND EAST EXPOSITION AVENUE...
FORCING THE CLOSURE OF THE ROAD. FLOODING OCCURRED ALONG
PLUM CREEK AND ITS TRIBUTARIES. FOUR TRAILS IN CASTLE
ROCK WERE CLOSED DUE TO FLOODING. PLUM CREEK REMAINED
ABOVE FLOOD STAGE FOR APPROXIMATELY 2 1/2 HOURS...WITH
MODERATE FLOODING ALONG AND EAST OF THE CREEK. NEAR
CHERRY CREEK DAM...2.02 INCHES OF RAIN FELL. AT
DENVER INTERNATIONAL AIRPORT 0.56 INCHES OF RAINFALL
WAS RECORDED. A PEAK WIND GUST TO 34 MPH WAS ALSO
OBSERVED FROM THE NORTH.
11-14 IN 1999...DAMAGE FROM SEVERAL HAILSTORMS...FROM THE 11TH TO
THE 14TH...IN AND NEAR METRO DENVER TOTALED 35 MILLION
DOLLARS. ABOUT 17.5 MILLION DOLLARS WAS FROM AUTOMOBILE
CLAIMS WITH ANOTHER 17.5 MILLION IN HOMEOWNER CLAIMS. THE
AREAS HARDEST HIT BY THE STORMS INCLUDED CASTLE ROCK...
COMMERCE CITY...EVERGREEN...AND GOLDEN.
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