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NOUS45 KBOU 200959
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COZ030>051-202300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MST WED FEB 20 2019
..TODAY IN METRO DENVER WEATHER HISTORY
18-20 IN 1913...POST-FRONTAL SNOWFALL TOTALED 6.9 INCHES IN DOWNTOWN
DENVER OVER THE 3 DAYS. MOST OF THE SNOW FELL ON THE 19TH.
NORTHEAST WINDS WERE SUSTAINED TO 21 MPH WITH A MEASURED
EXTREME VELOCITY TO 24 MPH ON THE 18TH.
IN 1924...LIGHT SNOWFALL TOTALED 4.6 INCHES OVER THE 3 DAYS.
THIS WAS THE ONLY MEASURABLE SNOWFALL OF THE MONTH. HIGH
TEMPERATURES PLUNGED FROM 45 DEGREES ON THE 18TH TO 17
DEGREES ON THE 20TH. LOW TEMPERATURES DIPPED FROM 31
DEGREES ON THE 18TH TO ONLY 8 DEGREES ON THE 20TH.
NORTHEAST WINDS WERE SUSTAINED TO 24 MPH ON THE 19TH.
IN 1953...A MAJOR BLIZZARD DUMPED 10.6 INCHES OF SNOWFALL AT
STAPLETON AIRPORT. STRONG NORTH WINDS AT SUSTAINED SPEEDS
OF 25 TO 35 MPH WITH GUSTS AS HIGH AS 44 MPH FREQUENTLY
REDUCED VISIBILITIES TO 1/4 MILE IN BLOWING SNOW DURING THE
DAY OF THE 19TH. THE STRONG WINDS CAUSED MUCH DRIFTING
SNOW...MAKING ACCURATE SNOWFALL MEASUREMENTS ALMOST
IMPOSSIBLE. PRECIPITATION FROM THE STORM TOTALED 1.13
INCHES. THE 1.01 INCHES OF PRECIPITATION ON THE 19TH
WAS THE GREATEST CALENDAR DAY AND 24 HOUR PRECIPITATION
EVER RECORDED IN THE CITY DURING THE MONTH OF FEBRUARY.
IN 1987...LARGE AMOUNTS OF NEW SNOW FELL IN THE FRONT RANGE
FOOTHILLS. THE FOOTHILLS RECEIVED 10 TO 20 INCHES OF NEW
SNOW WITH 4 TO 8 INCHES ON THE ADJACENT PLAINS. ON THE
19TH...FLIGHT DELAYS OCCURRED AT STAPLETON INTERNATIONAL
AIRPORT WHERE SNOWFALL TOTALED 4.2 INCHES AND EAST WINDS
GUSTED TO ONLY 18 MPH ON THE 19TH. SCHOOLS WERE CLOSED
IN THE FOOTHILLS ABOVE BOULDER.
19-20 IN 1937...POST-FRONTAL HEAVY SNOWFALL TOTALED 8.4 INCHES OVER
DOWNTOWN DENVER. MOST OF THE SNOW...6.6 INCHES...FELL ON THE
20TH WHEN NORTH WINDS WERE SUSTAINED TO 16 MPH WITH GUSTS
TO 18 MPH. THE TEMPERATURE DIPPED TO A LOW OF 9 DEGREES
ON THE 20TH.
IN 1939...POST-FRONTAL SNOWFALL TOTALED 5.4 INCHES IN THE
CITY. THE SNOW COVERED STREETS AND HIGHWAYS WITH A COATING
OF ICE AS THE TEMPERATURE FELL FROM 36 DEGREES AT 2:00 PM ON
THE 19TH TO A LOW OF 4 DEGREES AT 3:00 AM ON THE 20TH. MANY
MOTORISTS WERE MAROONED FOR SEVERAL HOURS. NORTHEAST WINDS
WERE SUSTAINED TO 24 MPH ON THE 19TH.
19-21 IN 1971...HEAVY SNOWFALL TOTALED 9.0 INCHES AT STAPLETON
INTERNATIONAL AIRPORT WHERE NORTH WINDS GUSTED TO ONLY
16 MPH. MOST OF THE SNOW OCCURRED ON THE 19TH AND 20TH.
THE 24 HOUR SNOWFALL OF 8.2 INCHES WAS THE GREATEST IN
FEBRUARY SINCE 1953.
20 IN 1937...6.6 INCHES OF HEAVY SNOW FELL IN DOWNTOWN DENVER.
IN 1976...A COLD FRONT PRODUCED NORTH WIND GUSTS TO 49 MPH AT
STAPLETON INTERNATIONAL AIRPORT WHERE SNOWFALL TOTALED 4.7
INCHES. NORTH WINDS AT SUSTAINED SPEEDS OF 20 TO 30 MPH
WITH HIGHER GUSTS PERSISTED THROUGHOUT THE DAY...PRODUCING
MUCH BLOWING SNOW. EAST OF THE CITY...WINDS GUSTING 40 TO
80 MPH CAUSED BLIZZARD CONDITIONS AND PRODUCED DRIFTS 2 TO
4 FEET HIGH.
IN 1981...A VIGOROUS COLD FRONT AT MIDDAY PRODUCED STRONG
NORTHEAST WINDS AT 20 MPH WITH GUSTS TO 30 MPH AND BILLOWS
OF BLOWING DUST REDUCING THE VISIBILITY TO 3 MILES DURING
THE AFTERNOON. EVEN STRONGER WINDS FROM THE NORTH AT
25 MPH WITH GUSTS TO 45 MPH IN SNOW AND BLOWING SNOW
REDUCED THE VISIBILITY TO 1/4 MILE DURING THE EVENING.
SNOWFALL TOTALED ONLY 2.6 INCHES AT STAPLETON
INTERNATIONAL AIRPORT.
20-21 IN 1997...HEAVY SNOW FELL IN THE FOOTHILLS. SNOWFALL TOTALS
INCLUDED: 16 INCHES AT ELDORA SKI AREA; 15 INCHES AT SOUTH
TURKEY CREEK; 14 INCHES AT CONIFER AND MORRISON; AND 11
INCHES AT BLACKHAWK...EVERGREEN...AND INTERCANYON. ONLY
1.0 INCH OF SNOW FELL AT THE SITE OF THE FORMER STAPLETON
INTERNATIONAL AIRPORT. NORTHEAST WINDS GUSTED TO 32 MPH
AT DENVER INTERNATIONAL AIRPORT ON THE 20TH.
IN 2014...HIGH WINDS OCCURRED IN AND NEAR THE FOOTHILLS OF
BOULDER AND JEFFERSON COUNTIES. PEAK WIND REPORTS INCLUDED:
93 MPH NEAR GOLD HILL; 89 MPH AT NCAR MESA LAB; 83 MPH AT
THE NATIONAL WIND TECHNOLOGY CENTER; 76 MPH...IN BOULDER...4
MILES EAST-NORTHEAST OF NEDERLAND AND THE JUNCTION OF
COLORADO HIGHWAYS 72 AND 93; AND 75 MPH AT LYONS. SCATTERED
ELECTRICAL OUTAGES WERE REPORTED IN BOULDER...DENVER AND
LITTLETON...WHICH AFFECTED 3400 XCEL ENERGY CUSTOMERS. AT
DENVER INTERNATIONAL AIRPORT...A PEAK WIND OF 50 MPH WAS
OBSERVED FROM THE WEST ON THE 21ST.
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