Public Information Statement Issued by NWS Denver/Boulder, CO
000
NOUS45 KBOU 160859
PNSBOU
COZ030>051-162300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT THU MAY 16 2013
...TODAY IN METRO DENVER WEATHER HISTORY...
14-18 IN 1996...A PERIOD OF UNUSUALLY WARM WEATHER RESULTED IN
4 RECORD MAXIMUM TEMPERATURES IN 5 DAYS. THE RECORD HIGH
TEMPERATURES WERE 87 DEGREES ON THE 14TH...89 DEGREES ON
THE 15TH...AND 93 DEGREES ON BOTH THE 16TH AND 18TH. THE
TEMPERATURE CLIMBED TO ONLY 81 DEGREES ON THE 17TH WHICH
WAS NOT A RECORD.
15-16 IN 1957...HEAVY SNOWFALL TOTALED 8.8 INCHES AT STAPLETON
AIRPORT. THE GREATEST AMOUNT ON THE GROUND WAS 3 INCHES.
IN 1986...A SPRING STORM DUMPED 1 TO 2 INCHES OF RAIN OVER
METRO DENVER...BUT 2.71 INCHES FELL AT BUCKLEY FIELD IN
AURORA. RAINFALL ONLY TOTALED 0.84 INCH AT STAPLETON
INTERNATIONAL AIRPORT. SNOW FELL IN THE FOOTHILLS WITH
7 INCHES RECORDED IN COAL CREEK CANYON SOUTHWEST OF
BOULDER.
16 IN 1875...A HEAVY HAIL STORM TURNED INTO HEAVY RAIN DURING
THE AFTERNOON. RAINFALL TOTALED 0.86 INCH IN JUST 37
MINUTES...WHILE THE TEMPERATURE DROPPED 22 DEGREES IN
22 MINUTES. PRECIPITATION TOTALED 0.90 INCH.
IN 1894...WEST WINDS WERE SUSTAINED TO 48 MPH WITH GUSTS
TO 56 MPH.
IN 1949...A TORNADO WAS OBSERVED FOR 16 MINUTES...20 MILES TO
THE SOUTHEAST OF STAPLETON AIRPORT. THE TORNADO MOVED 5
MILES TO THE NORTHEAST BEFORE DISSIPATING. NO DAMAGE WAS
REPORTED.
IN 1963...INTENSE LIGHTNING STARTED SEVERAL FOREST FIRES IN
THE FOOTHILLS SOUTHWEST OF DENVER NEAR DECKERS AND
CHEESEMAN LAKE. LITTLE PRECIPITATION FELL FROM THE STORMS
TO ALLEVIATE THE UNUSUAL DRY CONDITIONS SO EARLY IN THE
SEASON.
IN 1978...THUNDERSTORM WINDS CAUSED DAMAGE IN SOUTHEAST
AURORA. WINDS OF 60 TO 80 MPH BLEW DOWN NUMEROUS FENCES AND
DAMAGED SEVERAL HOMES UNDER CONSTRUCTION. HIGH WINDS TORE
DOCKS LOOSE AT CHERRY CREEK RESERVOIR...SINKING 3 OR 4 BOATS
AND DAMAGING ABOUT 15 OTHERS. AT STAPLETON INTERNATIONAL
AIRPORT WHERE WINDS GUSTED TO 60 MPH...A 727 JET SUFFERED
15 HUNDRED DOLLARS DAMAGE WHEN WIND TOPPLED A RUNWAY LIGHT
ONTO IT. THE PUBLIC REPORTED AN UNCONFIRMED TORNADO 7 MILES
SOUTH-SOUTHWEST OF STAPLETON INTERNATIONAL AIRPORT.
IN 1990...A LINE OF THUNDERSTORMS MOVING ACROSS METRO DENVER
UPROOTED A LARGE ASH TREE...WHICH FELL AND BLOCKED THE
OUTSIDE DOORS TO A DENVER ELEMENTARY SCHOOL...BRIEFLY
TRAPPING THE STUDENTS INSIDE. THUNDERSTORM WIND GUSTS TO
69 MPH WERE REPORTED AT JEFFERSON COUNTY AIRPORT.
NORTHWEST WINDS GUSTED TO 44 MPH AT STAPLETON INTERNATIONAL
AIRPORT.
IN 1991...TWO TORNADOES TOUCHED DOWN BRIEFLY IN CASTLE ROCK...
BUT NO INJURIES OR DAMAGE WERE RECORDED. HEAVY
THUNDERSTORM RAINS OF 0.50 TO 1.10 INCHES IN A COUPLE OF
HOURS CAUSED LENA GULCH NEAR GOLDEN TO FLOOD. NO DAMAGE
WAS REPORTED.
IN 1996...DRY MICROBURST WINDS OF UNKNOWN STRENGTH OVERTURNED
A TRAILER AND DAMAGED STORAGE SHEDS IN STRASBURG EAST OF
DENVER.
16-17 IN 1981...A HEAVY RAIN STORM DUMPED 1 TO 2 1/2 INCHES OF RAIN
ACROSS METRO DENVER. RAINFALL TOTALED 1.27 INCHES AT
STAPLETON INTERNATIONAL AIRPORT WHERE NORTH WINDS GUSTED
TO 38 MPH ON 17TH.
IN 1983...A VERY STRONG LATE SPRING STORM DUMPED HEAVY SNOW
OVER THE FRONT RANGE. STRONG WINDS WITH THE STORM PRODUCED
BLIZZARD CONDITIONS AT TIMES. SUSTAINED WINDS WERE 20 TO
40 MPH WITH A PEAK GUST TO 55 MPH AT STAPLETON INTERNATIONAL
AIRPORT. THE FOOTHILLS RECEIVED 1 TO 2 FEET OF SNOW
WITH 4 TO 12 INCHES ALONG THE FOOTHILLS. HOWLING WINDS
WHIPPED THE SNOW INTO DRIFTS SEVERAL FEET DEEP...CLOSING
SCHOOLS AND HIGHWAYS. STAPLETON INTERNATIONAL AIRPORT WAS
FORCED TO REDUCE FLIGHT OPERATIONS...CLOSING 2 OF 4 RUNWAYS
AND STRANDING HUNDREDS OF TRAVELERS. MOST OF THE DAMAGE
AND INCONVENIENCE CAUSED BY THE STORM WAS IN POWER OUTAGES...
WHICH OCCURRED WHEN WIND AND HEAVY WET SNOW CAUSED HUNDREDS
OF POWER POLES TO SNAP AND TOPPLE. ABOUT 20 SQUARE MILES
OF DENVER WERE BLACKED OUT. PRECIPITATION FROM THE STORM
TOTALED 1 TO 3 INCHES. AT STAPLETON INTERNATIONAL AIRPORT...
SNOWFALL TOTALED 7.1 INCHES WITH A MAXIMUM SNOW DEPTH ON
THE GROUND OF ONLY 2 INCHES DUE TO MELTING. THE HIGH
TEMPERATURE OF 40 DEGREES ON THE 17TH WAS A RECORD LOW
MAXIMUM FOR THE DATE. DUE TO THE HEAVY MOISTURE CONTENT
OF THE STORM...WIDESPREAD STREET FLOODING OCCURRED ON THE
18TH WHEN MUCH OF THE SNOW MELTED UNDER THE WARM MAY SUN
AND TEMPERATURES CLIMBED TO A HIGH OF 57 DEGREES.
IN 1995...SIGNIFICANT MOISTURE AND UPSLOPE FLOW CAUSED
FLOODING ACROSS METRO DENVER. MODERATE TO HEAVY RAINS...
WHICH BEGAN ON THE EVENING OF THE 16TH...DEVELOPED IN THE
FOOTHILLS AND SPREAD EASTWARD OVER METRO DENVER THROUGHOUT
THE NIGHT. THE HEAVY RAINS BROUGHT MANY CREEKS AND SMALL
STREAMS TO BANKFULL OR SLIGHTLY OVER. LOCATIONS ALONG THE
FOOTHILLS RECEIVED BETWEEN 3 AND 4 INCHES OF RAINFALL FROM
THE STORM. BOULDER RECEIVED 3.60 INCHES OF RAINFALL FOR
THE 24-HOUR PERIOD...CAUSING MINOR STREET FLOODING NEAR
SMALL STREAMS. TO THE NORTHWEST OF BOULDER...A BRIDGE WHICH
CROSSED FOURMILE CREEK WAS WASHED OUT. NUMEROUS ROCK AND
MUDSLIDES OCCURRED IN FOOTHILLS CANYONS...CLOSING PORTIONS
OF U.S. HIGHWAYS 6 AND 40 AND STATE HIGHWAY 119 FOR A FEW
HOURS AT A TIME. ROCKS WERE PILED 6 FEET DEEP ON A STRETCH
OF STATE HIGHWAY 119 ALONG WITH BOULDERS AS LARGE AS CARS ON
U.S. HIGHWAY 6. A PARKING LOT NEAR A CREEK IN GOLDEN CAVED
IN LEAVING A HOLE THE SIZE OF AN 18-WHEELER. RUSHING WATER
WASHED OUT A 50-FOOT STRETCH OF A ROAD IN WESTMINSTER.
RAINFALL TOTALED 1.75 INCHES AT DENVER INTERNATIONAL
AIRPORT...BUT ONLY 1.42 INCHES AT THE SITE OF THE FORMER
STAPLETON INTERNATIONAL AIRPORT.
$$