190
NOUS45 KBOU 190859
PNSBOU
COZ030>051-192300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT SUN JUL 19 2026
..TODAY IN METRO DENVER WEATHER HISTORY
7-25 IN 1934...A STREAK OF 15 CONSECUTIVE DAYS OF 90 DEGREES...FROM THE
7TH TO THE 25TH...RANKED 5TH ON THE LIST OF HOT STREAKS. THE
RECORD OF 24 CONSECUTIVE DAYS WAS ESTABLISHED IN THE SUMMER OF
2008.
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.
18-19 IN 2003...FROM THE 18TH INTO THE 19TH...HEAVY RAIN PRODUCING
THUNDERSTORMS CAUSED FLASH FLOODING ACROSS SOUTHERN METRO
DENVER. AUTOMATED RAIN GAGES MEASURED 2 TO 3 INCHES OF
RAIN IN LESS THAN AN HOUR. THE HEAVY RAINFALL CAUSED MANY
INTERSECTIONS AND UNDERPASSES TO FLOOD...STRANDING MOTORISTS.
SECTIONS OF I-25 AND I-225 WERE CLOSED DUE TO THE HIGH WATER.
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.
19 IN 1875...RECENT HEAVY RAINS PRODUCED HIGH WATERS ON MANY
CREEKS AND RIVERS IN THE AREA...WHICH THREATENED THE
DESTRUCTION OF PROPERTY AT SOME LOCATIONS. CHERRY CREEK
IN THE CITY WAS RUNNING THE HIGHEST IN 10 YEARS. HEAVY
RAIN IN THE MINING REGIONS OVER THE LAST 2 DAYS RESULTED
IN WATER RUNNING "EVERYWHERE" AND THE SUSPENSION OF SOME
WORK.
IN 1881...A THUNDERSTORM PASSING ACROSS THE CITY PRODUCED
LIGHTNING WITH NO RAIN. A WOMAN WAS SERIOUSLY INJURED
WHEN STRUCK BY LIGHTNING SEVERAL BLOCKS FROM THE WEATHER
OFFICE IN DOWNTOWN DENVER.
IN 1934...THE TEMPERATURE REACHED A HIGH OF 100 DEGREES IN
DOWNTOWN DENVER.
IN 1965...HAIL...RAIN...AND LIGHTNING HIT WEST METRO DENVER.
HAIL STONES AS LARGE AS 1 1/2 INCHES IN DIAMETER ACCUMULATED
TO A DEPTH OF 2 INCHES IN EVERGREEN WHERE 2.95 INCHES OF
RAIN IN 2 HOURS CAUSED SOME FLOODING IN THE BUSINESS SECTION
OF THE TOWN. LIGHTNING CAUSED SOME POWER OUTAGES.
IN 1973...TWO FUNNEL CLOUDS WERE OBSERVED 5 MILES SOUTHEAST OF
LITTLETON. THE SAME FUNNEL CLOUDS WERE OBSERVED FOR 20
MINUTES...5 MILES WEST AND 5 MILES WEST-SOUTHWEST OF ARAPAHOE
COUNTY AIRPORT...NOW CENTENNIAL AIRPORT.
IN 1975...LIGHTNING INJURED A MAN IN DENVER AND CAUSED POWER
OUTAGES IN AURORA...LAKEWOOD...WESTMINSTER...AND WEST DENVER.
IN 1984...STRONG THUNDERSTORM WINDS GUSTING TO 45 MPH SHATTERED
7 LARGE PLATE GLASS WINDOWS AT STAPLETON INTERNATIONAL
AIRPORT.
IN 1985...A TORNADO TOUCHED DOWN IN THE SURREY RIDGE AREA OF
NORTHERN DOUGLAS COUNTY...JUST WEST OF I-25. TEN HOMES WERE
DAMAGED; ONE UNDER CONSTRUCTION WAS NEARLY DESTROYED. TWO
VEHICLES WERE THROWN OFF I-25 INJURING THREE PEOPLE. A
PICK-UP TRUCK WAS THROWN 50 FEET BY THE TWISTER. IN
ADDITION...A CLUSTER OF SEVERE THUNDERSTORMS POUNDED ALL
OF METRO DENVER WITH TORRENTIAL RAIN...HAIL...AND WIND. THE
HEAVIEST RAIN FELL IN AURORA WHERE ONE LOCATION REPORTED
2.37 INCHES IN JUST 40 MINUTES. ONE LOCATION IN NORTHEAST
AURORA RECEIVED A TOTAL OF 4.30 INCHES FROM THE STORM.
THERE WAS EXTENSIVE STREET AND BASEMENT FLOODING...AND A
NUMBER OF ROADS WERE DAMAGED OR WASHED OUT. AN AURORA BOY
SUFFERED MINOR INJURIES WHEN HE WAS WASHED INTO A DRAINAGE
DITCH. GOLF BALL SIZE HAIL IN AURORA PILED UP TO 5 INCHES
DEEP. AN INCH OF RAIN FELL IN 20 MINUTES AT STAPLETON
INTERNATIONAL AIRPORT...CLOSING IT TO AIR TRAFFIC FOR AN
HOUR. UP TO 1 1/2 INCHES OF RAIN FELL IN JUST 15 MINUTES
OVER CENTRAL DENVER WITH THE HIGH WATER CLOSING I-25. THE
WATER WAS SO DEEP ON THE FREEWAY...THAT ONE VEHICLE WAS
COMPLETELY SUBMERGED AND PEOPLE WERE DIVING INTO THE WATER
FROM THE FREEWAY OVERPASS. THREE HOMES IN LITTLETON WERE
DAMAGED BY LIGHTNING. WIND BLEW OUT SEVERAL WINDOWS FROM
A HIGH RISE APARTMENT BUILDING IN SOUTHEAST DENVER.
RAINFALL TOTALED 1.51 INCHES AT STAPLETON INTERNATIONAL
AIRPORT.
IN 1997...TORRENTIAL RAIN AND DAMAGING HAIL PUMMELED EASTERN
SECTIONS OF METRO DENVER. HAIL UP TO 1 1/4 INCHES IN
DIAMETER FELL AT THE NATIONAL WEATHER SERVICE OFFICE ON THE
SITE OF THE FORMER STAPLETON INTERNATIONAL AIRPORT. THE
HAIL CONTINUED FOR ABOUT 15 MINUTES AND ACCUMULATED TO A
DEPTH OF 2 TO 3 INCHES...CAUSING EXTENSIVE DAMAGE TO CARS IN
THE AREA. HEAVY RAINFALL TOTALED 3.83 INCHES IN ABOUT AN
HOUR FROM THE NEARLY STATIONARY THUNDERSTORM. NUMEROUS CARS
STALLED ALONG I-70...AND SEVERAL HOMES WERE FLOODED IN EAST
DENVER. THE ROOF OF A BUILDING COLLAPSED UNDER THE WEIGHT
OF THE WATER. THE NEXT DAY SEVERAL "FATALITIES" WERE
DISCOVERED NEAR THE NATIONAL WEATHER SERVICE OFFICE; TWO
PRAIRIE DOGS WERE FOUND DEAD ALONG WITH THREE RABBITS THAT
EITHER DROWNED OR WERE KILLED BY THE LARGE HAIL.
IN 1999...LIGHTNING STRUCK TWO RESIDENCES IN LITTLETON...BUT
CAUSED ONLY MINOR DAMAGE. LIGHTNING TRIGGERED A FIRE AT A
RESIDENCE IN CHERRY HILLS VILLAGE. A SMALL PORTION OF THE
ROOF AND CEILING WERE DAMAGED BEFORE THE FIRE COULD BE
EXTINGUISHED.
IN 2000...HAIL AS LARGE AS 1 1/4 INCHES IN DIAMETER FELL NEAR
ROGGEN NORTHEAST OF DENVER.
IN 2004...HEAVY RAINFALL CAUSED FLOODING ON THE VIRGINIA CANYON
ROAD NEAR IDAHO SPRINGS...WHICH HAD TO BE CLOSED FOR REPAIRS.
IN 2006...THE TEMPERATURE CLIMBED TO A HIGH OF 100 DEGREES. THE
HIGH TEMPERATURE WAS NOT A RECORD MAXIMUM FOR THE DATE.
IN 2007...A SEVERE THUNDERSTORM PRODUCED LARGE HAIL...UP TO 1
INCH IN DIAMETER...ABOUT 6 MILES NORTH OF NORTHGLENN.
IN 2016...TWO MEN AT THE INDIAN TREE GOLF COURSE IN ARVADA WERE
STRUCK BY LIGHTNING WHEN THEY SOUGHT SHELTER FROM A RAPIDLY
DEVELOPING THUNDERSTORM UNDER A TREE. ONE MAN DIED FROM HIS
INJURIES WHILE THE OTHER SUFFERED MINOR INJURIES. VERY HEAVY
RAINFALL WAS OBSERVED ACROSS CENTRAL AND SOUTHERN PARTS OF
DENVER. THE STORM DROPPED AROUND 1.5 INCHES OF RAINFALL IN 30
MINUTES AND CAUSED MINOR STREET FLOODING. NICKEL SIZE HAIL
WAS REPORTED WEST OF PINE IN CENTRAL JEFFERSON COUNTY.
19-23 IN 2005...THE HIGH TEMPERATURE CLIMBED ABOVE 100 DEGREES ON
EACH OF THE 5 DAYS WITH READINGS OF 101 ON THE 19TH...105 ON
THE 20TH...104 ON THE 21ST...AND 102 ON BOTH THE 22ND AND 23RD.
A NEW RECORD MAXIMUM TEMPERATURE FOR THE MONTH OF JULY OF 105
DEGREES WAS SET ON THE 20TH...WHICH ALSO EQUALED THE ALL TIME
RECORD MAXIMUM FOR DENVER OF 105 DEGREES FIRST SET ON AUGUST
8TH IN 1878. DAILY MAXIMUM TEMPERATURE RECORDS WERE SET ON
EACH DAY...AND THE 5 DAY PERIOD EQUALED THE RECORD FOR THE
MOST CONSECUTIVE DAYS OF 100 DEGREES OR MORE FIRST SET FROM
JULY 4TH THROUGH 8TH IN 1989. THE INTENSE HEAT RESULTED IN
A HIGH USE OF ELECTRICITY FOR COOLING PURPOSES. THE DEMAND
FOR ELECTRIC POWER EXCEEDED THE SUPPLY AND ROLLING BLACK-OUTS...
EACH LASTING ABOUT AN HOUR...WERE SCHEDULED ACROSS METRO DENVER
DURING THE AFTERNOONS AND EARLY EVENINGS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page