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A strong surge of cold air will dive through the Plains early this week, helping to spark a round of severe weather on Wednesday, while bringing more snow to the Denver area.
The cold air will continue tracking southward into Tuesday, causing temperatures to drop between 15 and 20 degrees across the Dakotas, Wyoming and Minnesota compared to Monday's highs.
As AccuWeather.com Meteorologist Erik Pindrock stated earlier this weekend, "If everything comes together, the mountains to the west of Denver could receive a foot or more of snow on Wednesday, while the city picks up several inches."
It begins to get a bit more complicated in Denver where AccuWeather.com Meteorologists are forecasting near-record-high temperatures on Monday. Our forecasted high of 82 degrees would be just shy of the record of 83 from the year 1948.
While enjoying the near-record warmth, residents will find it hard to believe that they may need the snow shovel within 48 hours. As residents know, almost anything can happen in Denver during the Spring and the airport actually averages 1.1 inches of snow during the month of May, which makes this snow forecast hardly uncommon.
In fact, Denver's snowiest May in history occurred in 1898 when 15.5 inches of snow fell. While we aren't expecting anything like that with the Wednesday storm, there can certainly be a couple of inches of accumulation.
As the surge of cold air continues to dive southward, it will move into Denver and the Front Range, causing temperatures to drop into the 30s by Wednesday morning.
Originally posted by Bluesma
Here in France, spring was well underway, sun shining and the flowers blooming. I was happy to see my fruit trees heavy with blooms.
Then, the rain started. It has been non-stop for four days (why I've been wasting time on ATS arguing about nonsense ) and Saturday , it snowed!
I couldn't believe it! That is NOT normal for this time of year here, and I am concerned about my plants and trees.
Last year I had no cherries, and if I can't this year I will be very frustrated.
This sucks.
"The sea ice is going rapidly. It's 80 percent less than it was just 30 years ago. There has been a dramatic loss. This is a symptom of global warming and it contributes to enhanced warming of the Arctic," said Jennifer Francis, research professor with the Rutgers Institute of Coastal and Marine Science.
According to Francis and a growing body of other researchers, the Arctic ice loss adds heat to the ocean and atmosphere which shifts the position of the jet stream – the high-altitude river of air that steers storm systems and governs most weather in northern hemisphere.
"This is what is affecting the jet stream and leading to the extreme weather we are seeing in mid-latitudes," she said. "It allows the cold air from the Arctic to plunge much further south. The pattern can be slow to change because the [southern] wave of the jet stream is getting bigger. It's now at a near record position, so whatever weather you have now is going to stick around," she said.
Francis linked the Arctic temperature rises to extreme weather in mid latitudes last year and warned in September that 2012's record sea ice melt could lead to a cold winter in the UK and northern Europe.
She was backed by Vladimir Petoukhov, professor of Earth system analysis at Potsdam Institute in Germany, whose research suggests the loss of ice this year could be changing the direction of the jet stream.
Arctic amplification (AA) - the observed enhanced warming in high northern latitudes relative to the northern hemisphere - is evident in lower-tropospheric temperatures and in 1000-to-500 hPa thicknesses. Daily fields of 500 hPa heights from the National Centers for Environmental Prediction Reanalysis are analyzed over N. America and the N. Atlantic to assess changes in north-south (Rossby) wave characteristics associated with AA and the relaxation of poleward thickness gradients. Two effects are identified that each contribute to a slower eastward progression of Rossby waves in the upper-level flow: 1) weakened zonal winds, and 2) increased wave amplitude. These effects are particularly evident in autumn and winter consistent with sea-ice loss, but are also apparent in summer, possibly related to earlier snow melt on high-latitude land. Slower progression of upper-level waves would cause associated weather patterns in mid-latitudes to be more persistent, which may lead to an increased probability of extreme weather events that result from prolonged conditions, such as drought, flooding, cold spells, and heat waves.
Q. Why do worms come onto driveways and sidewalks when it rains?
A. Dr. Dennis Linden, Cindy Hale, and other worm experts say that worms do NOT surface to avoid drowning. In fact, they come to the surface during rains (especially in the spring) so they can move overland. The temporarily wet conditions give worms a chance to move safely to new places. Since worms breathe through their skin, the skin must stay wet in order for the oxygen to pass through it. After rain or during high humidity are safe times for worms to move around without dehydrating. It is true that, without oxygen, worms will suffocate. But earthworms can survive for several weeks under water, providing there is sufficient oxygen in the water to support them.
Originally posted by Bluesma
Here in France, spring was well underway, sun shining and the flowers blooming. I was happy to see my fruit trees heavy with blooms.
Then, the rain started. It has been non-stop for four days (why I've been wasting time on ATS arguing about nonsense ) and Saturday , it snowed!
I couldn't believe it! That is NOT normal for this time of year here, and I am concerned about my plants and trees.
Last year I had no cherries, and if I can't this year I will be very frustrated.
This sucks.
Originally posted by Bluesma
reply to post by resoe26
LOL! No it is not true. They don't shave though- they all wax, and they wax everything (including arms).
I have no idea where the hairy myth originated. They say that about the Portuguese. I have a feeling it is the standard joke to make about any peoples you want to put down.
But back on topic.....