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NOUS45 KBOU 190859
PNSBOU
COZ030>051-192300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT TUE AUG 19 2025
..TODAY IN METRO DENVER WEATHER HISTORY
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.
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.
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