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Archive for the ‘Climatology’ Category



December 2015 weather recap: Average temperatures, above normal precipitation

Monday, January 4th, 2016 1:44pm MDT

Warm and dry were the key weather words for the start of December 2015.  That however changed as the month progressed and colder, wetter weather arrived. High pressure dominated the start of the month leading to 10 out of the first 11 days of the month seeing above normal temperatures.  No precipitation was recorded over […]

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Dreaming of a white Christmas in Denver? Odds are not historically that great

Wednesday, December 23rd, 2015 6:04pm MDT

As Christmas gets closer everyone always wonders if we are going to get the proverbial white Christmas. Unfortunately, if you look at Denver and Thornton weather history, the chances aren’t all that good but it also depends on what you define as a white Christmas. If to you a white Christmas means having actual snowfall […]

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Astronomical winter begins with the winter solstice on Monday

Monday, December 21st, 2015 8:31am MDT

Astronomical winter arrives in Thornton tonight and with the solstice also comes the shortest day of the year. Winter officially begins at 9:49pm today. The Winter Solstice occurs when the North Pole is tilted at its furthest from the sun – 23.5 degrees away. This results in the shortest day of the year in the Northern […]

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NOAA details the chances for a white Christmas for the United States

Thursday, December 17th, 2015 8:05am MDT

With our most recent snowstorm, the Colorado Front Range is likely to enjoy a white Christmas (defined as 1 inch of snow on the ground on Christmas Day).  Other locations in the United States of course are not quite so lucky and historically, Colorado can be quite hit or miss. Below is the latest narrative […]

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November 2015 weather recap: Colder, wetter and snowier than normal for Thornton

Thursday, December 3rd, 2015 4:36pm MDT

Mild, dry conditions started the month of November 2015 in Thornton.  That however soon gave way to colder temperatures and moisture in the form of snow, something that repeated itself multiple times during the month. The first three days saw temperatures well above normal and in the 70s with no precipitation.  That changed however with […]

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Thornton’s December preview: Winter arrives, typically with cold and snow

Thursday, December 3rd, 2015 4:32pm MDT

The month of December brings with it the official start of winter and oftentimes, colder and snowier weather conditions. It however can also offer unseasonably warm temperatures and bone dry conditions. Overall December’s monthly mean temperature of 30.0 degrees (1981 – 2010 averages) makes it our coldest month.  Snow is always on everyone’s mind this […]

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October 2015 weather recap: Warmer and wetter than normal

Wednesday, November 4th, 2015 4:16pm MDT

Thornton’s October was an unusually warm one with daytime highs more what we would expect in September.  It would also have been a dry one were it not for three days of healthy rainfall in the latter third of the month. The overall average temperature for the month in Thornton was 54.4 degrees.  Out at […]

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November preview: Second snowiest month can bring a lot of variety

Wednesday, November 4th, 2015 7:51am MDT

The weather during the month of November in Denver metro area can offer just about anything.  While it is normally a quiet month, it can be prone to extremes. November is Denver’s second snowiest month and major snowstorms are not entirely uncommon.  However conditions can also be quite dry. Temperatures during the month continue to […]

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NOAA Winter Outlook: Little clarity as to El Niño’s impact on Thornton

Saturday, October 17th, 2015 10:25am MDT

NOAA’s Climate Prediction Center released their 2015-2016 winter outlook this morning and while a strong El Niño will play a factor in some parts of the nation, its effects here are less clear. As we have written about before, Colorado’s geographical location well inland, shelters it some from the effects of warm, Pacific waters.   Overall […]

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El Niño Won’t Relieve West’s Drought, NOAA Predicts

Thursday, October 15th, 2015 8:02am MDT

Updated | Federal weather forecasters released their winter outlook Thursday, and it doesn’t look good for drought-stricken northern California, Oregon and Washington state. A strong El Niño this winter is predicted to intensify the Western drought through at least January, the National Oceanic and Atmospheric Administration announced. Earlier this week, NASA released a new image […]

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