January 29 to February 4 – This Week in Denver Weather History

January 29 to February 4 - This Week in Denver Weather History
January 29 to February 4 - This Week in Denver Weather History

You just never know what you are going to get with the weather in Denver and we see that in our look back at the Denver weather history books. From cold and snow to damaging winds and spring-like temperatures, we can and do see it all.

From the National Weather Service:

26-1

In 1888…a protracted warm spell lasted a week. Maximum temperatures ranged from 62 degrees on the 29th to an all time record high for the month of 76 degrees on the 27th. Daily record high temperatures of 76…69…and 71 occurred on the 27th…28th…and 30th respectively. Record high minimum temperatures of 47 and 34 occurred on the 26th and 27th.

27-31

In 1951…a major storm dumped 10.1 inches of snowfall at Stapleton Airport. Most of the snow…8.3 inches…fell on the 29th. Cold arctic air accompanied the snow. Several temperature records were set…including record low maximum temperatures of 4 on the 28th and 4 below zero on the 29th and record low temperatures of 12 below zero on the 29th and 24 below zero on the 31st. Temperatures were below zero for 45 consecutive hours.

28-29

In 1956…snowfall totaled 5.5 inches at Stapleton Airport where east winds gusted to 32 mph on the 28th.

In 1972…cold west winds buffeted Boulder. A wind gust to 92 mph was recorded at the National Bureau of Standards…while a gust to 76 mph was measured in downtown Boulder. Two mobile homes were overturned in Boulder. Other damage was minor. Northwest winds gusted to 40 mph at Stapleton International Airport on the 28th.

In 1987…strong winds buffeted the Front Range foothills and spread east over the plains. The highest wind recorded was 99 mph on the 29th at both the National Center for Atmospheric Research in Boulder and the Rocky Flats plant south of Boulder. Wind gusts in excess of 80 mph were common. A northwest wind gust to 54 mph was recorded at Stapleton International Airport on the 28th with a gust to 41 mph on the 29th. Planes were damaged at both the Boulder and Jefferson County Airports. Hangars were also damaged at Jefferson County Airport. Many windows were broken…signs toppled…and trees downed. A brick wall was blown onto parked cars in Lakewood. A couple of houses in Lakewood were unroofed…while falling trees damaged others. Two people were injured by flying debris in Lakewood and Golden. Total insured damage along the Front Range was 10 million dollars making the wind storm the second most costly on record in Colorado at the time.

In 1995…deepening upslope winds along the eastern foothills on the 28th gave way to periods of heavy snow during the night and early morning hours of the 29th. Snow fell to a depth of 8 inches in both Golden and Boulder with up to a foot in the foothills. Only 1.9 inches of snow fell at Stapleton International Airport…where east winds gusted to 22 mph on the 28th.

In 2001…heavy snow fell across metro Denver. The heaviest snowfall occurred from just south of Denver to around Castle Rock. Snow amounts included: 12 inches east of Parker…9 inches near Elizabeth and in Littleton…8 inches near Castle Rock and in Parker…and 7 inches in Aurora. Snowfall totaled 6.0 inches at the site of the former Stapleton International Airport.

28-30

In 1887…winds were strong and gusty for three days in the city. West and northwest winds were sustained to 56 mph on both the 28th and 29th and to 44 mph on the 30th. Temperatures warmed to a high of 57 degrees on the 29th.

29

In 1900…northwest winds were sustained to 45 mph with an extreme velocity of 46 mph.

In 1914…this was the last day of 60 consecutive days with snow cover of one inch or more in Denver. This third longest period of snow cover on record began with the record breaking snow and blizzard on December 1-5… 1913 when a total of 45.7 inches of snow fell in downtown Denver. Additional snowfall during December and January prolonged the event. Snow depth on the ground to the nearest tenth of an inch was measured once daily at 6:00 pm MST.

In 1927…west winds were sustained at 40 mph with gusts to 42 mph.

In 1942…heavy snowfall totaled 6.2 inches in downtown Denver. North winds were sustained to 17 mph.

In 1965…strong winds occurred in Boulder for the third consecutive day. Only limited minor damage was reported. Northwest winds gusted to 40 mph at Stapleton International Airport.

In 1984…highs winds in and near the foothills produced wind gusts as high as 71 mph in Boulder. A plane was flipped over at Jefferson County Airport and damaged beyond repair. In Lakewood…two construction trailers were damaged by the gusts. North winds gusted to only 38 mph at Stapleton International Airport.

In 1990…gale to hurricane force winds gusts raked the foothills. Wind gusts of 50 to 90 mph were common in Boulder County. A peak wind of 94 mph was clocked at Table Mesa in southwest Boulder. Scattered power outages and minor property damage were reported. West winds gusted to 46 mph at Stapleton International Airport.

Continue reading January 29 to February 4 – This Week in Denver Weather History

NASA’s newest climate and weather satellite captures stunning ‘blue marble’

When NASA launched the National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, in October, it ushered in a new generation of climate and weather satellites.  The school bus size spacecraft is now securely in polar orbit making 14 passes over the Earth each day.

The five main instruments are critical to enhancing not only short term weather forecasting but also in aiding long term climate modeling.  NASA has performing an initial checkout of the craft and its instruments, a process which will take several  more weeks before it begins its regular science mission.

This week NASA released an astounding ‘blue marble’ image captured by its Visible Infrared Imaging Radiometer Suite (VIIRS).  The image is a composite from multiple orbits of the spacecraft on January 4, 2012 showing much of North and Central America.

'Blue marble' image from NASA's NPP.
"This awe-inspiring image, released today by NASA, was taken by the the VIIRS instrument aboard NPP, the nation's newest polar-orbiting environmental satellite that was launched Oct. 28, 2011 (http://www.nesdis.noaa.gov/npp_launch.html). Renamed "Suomi NPP" in honor of the the late Verner E. Suomi of the University of Wisconsin (http://j.mp/Ahfvt9), the satellite will enable NOAA to continue issuing accurate forecasts and provide advanced warnings for severe weather, such as deadly tornado outbreaks, blistering heat waves, floods, snowfall and wildfires. This composite NASA image uses a number of swaths of the Earth's surface taken on January 4, 2012." (NASA)

January 22 to January 28 – This Week in Denver Weather History

January 22 to January 28 - This Week in Denver Weather History
January 22 to January 28 - This Week in Denver Weather History

Protracted cold spells, damaging and injuring winds and heavy snowfall mark our look back at this week in Denver weather history.

From the National Weather Service:

15-23

In 1962…a protracted cold spell kept metro Denver in the deep freeze for more than a week. From the 15th thru the 23rd…low temperatures were zero or below for 9 consecutive days…but a daily record low was set only on the 22nd when the temperature dipped to 14 degrees below zero. A record low maximum for the date was also set on the 22nd when the temperature climbed to only 11 degrees. The coldest high temperature was 3 degrees above zero on the 21st…which did not break the record. The protracted cold was broken for only a few hours on the afternoon of the 20th when Chinook winds warmed the temperature to a high of 38 degrees before another surge of cold arctic air plunged temperatures back into the deep freeze that evening. The severe cold caused much damage to water systems. A woman was frozen to death at Morrison. There were other deaths attributable to the weather…including traffic deaths and heart attacks from overexertion.

18-24

In 2005…a week of mid-winter unseasonably warm weather pushed high temperatures into the 60’s or more on all but one day. During the period…the highest temperature of 70 degrees on the 20th was a new record maximum for the date. Low temperatures remained above freezing on 4 of the days.

20-22

In 1937…a second incursion of cold arctic in less than two weeks kept temperatures in the deep freeze for three days… Even though only one temperature record was set during the period. Temperatures were below zero for an estimated 53 consecutive hours. The below zero period would have been longer had the temperatures on the 20th not climbed to a high of 1 degree after a low of 8 degrees below zero. On the 21st…the high temperature of 1 degree below zero was a record low maximum for the date. Low readings on both the 21st and 22nd were 9 degrees below zero.

In 1971…high winds raked Boulder. Wind gusts to 77 mph were recorded at the National Center for Atmospheric Research. Winds gusted to 83 mph in south Boulder and to 68 mph in downtown Boulder. Minor personal injuries occurred…and reported damage to structures totaled 15 thousand dollars. On the 21st…northwest winds gusted to 44 mph at Stapleton International Airport. The Chinook winds warmed the temperature to a high of 69 degrees on the 20th…which equaled the record for the date.

In 1993…sporadic high winds along the east slopes of the Front Range during the early morning hours of the 20th moved onto the foothills and plains by the 22nd. Wind gusts of 55 to 65 mph were common. Some significant wind reports included 82 mph at Rollinsville and atop Squaw Mountain west of Denver…and 75 mph on Rocky Flats. At Stapleton International Airport…west winds gusted to 35 mph on the 20th…44 mph on the 21st…and 55 mph on the 22nd.

21-22

In 1972…wind gusts to 74 mph were recorded at the National Bureau of Standards in Boulder…while in downtown Boulder wind gusts to 56 mph were measured. The strong winds overturned a plane at the Arapahoe County airport. A motorcyclist died of injuries when he was blown off a Boulder County road. Northwest winds gusted to 39 mph at Stapleton International Airport on the 21st.

In 1999…heavy snow developed across portions of metro Denver and in the foothills. Snowfall totals included: 8 inches in Golden Gate Canyon…Intercanyon…Rollinsville… And Parker; 7 inches at Aspen Springs…Gross Reservoir… Pine Junction…and 5 miles south of Sedalia; 6 inches at Highlands Ranch; and 5 inches at Eaglecrest…Eldorado Springs…and Louisville. Snowfall totaled 2.6 inches at the site of the former Stapleton International Airport. On the 21st…north-northwest winds gusted to 31 mph at Denver International Airport.

22

In 1899…a cold front produced northeast sustained winds to 50 mph with gusts to 60 mph in the city.

In 1951…a heavy windstorm struck Boulder. Minor damage was reported. Strong post-frontal east winds gusted to 45 mph at Stapleton Airport.

In 1990…strong winds of 50 to 90 mph buffeted the foothills. No significant damage was reported. West winds gusted to 37 mph at Stapleton International Airport.

In 1992…strong winds raked the eastern foothills with a wind gust to 58 mph recorded at Rocky Flats just northwest of Denver. West winds gusted to only 25 mph at Stapleton International Airport.

In 2003…only a trace of snow fell at the site of the former Stapleton International Airport. This along with a trace of snow on the 1st was the only snow of the month…which equaled the record for the least snowiest January first set in 1934.

Continue reading January 22 to January 28 – This Week in Denver Weather History

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