The weather map is quite busy currently across North America with intense high pressure ridges combined with deep troughs of low pressure and on top of that we have some tropical moisture on the playing field as well. A deep trough over the northeastern Pacific Ocean will help to spawn a rapidly intensifying storm system that will slam into the Pacific Northwest from later today through tomorrow with hurricane-force winds, tremendous rainfall in low-lying areas, and substantial snowfall in the inland, higher elevation locations that will be on the order of several feet in some spots. This storm system will become a slow-mover and there will be lingering effects from northern California to Oregon and Washington all the way through the second half of the week.
Another upper-level trough will slide south and east during the next couple of days from the north-central states and deepen markedly as it reaches the Mid-Atlantic/Northeast US by later Thursday. An initial low pressure system will head to the Great Lakes while a secondary forms near the northern Mid-Atlantic coastline. This unfolding storm system will also become a slow-mover during the latter part of the week and will bring with it beneficial rains, accumulating snows across inland, higher elevation locations, and a prolonged period of strong NW winds.
Looking ahead, there are signs for multiple cold air outbreaks to make their way from northern Canada into the central and eastern US as we push through the remainder of November and into the early part of December...quite a winter look to the overall pattern that should include threats of snow as well.
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A low pressure system is going to rotate around the base of a longwave upper-level trough today as it tracks from Utah to eastern Colorado and it can produce snow showers in the metro region. In addition to the chance of snow showers, today will be much colder than yesterday and quite windy with gusts up to 35 mph. The second half of the week will feature a warming trend and temperatures will climb back to above-normal levels.
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Quite an active and somewhat unusual weather pattern is developing across North America and one that will feature multiple intense upper-level ridges of high pressure and deep troughs of low pressure. One result of this overall pattern will be a powerful storm system that will slam into the Pacific Northwest from later tomorrow into Wednesday. This storm will feature explosive intensification with as much as a 70 millibar drop in 24 hours of its central pressure yielding the strength of a “category 4” hurricane and easily classifying it as a “bomb cyclone”. Another significant storm system will develop in this active weather pattern during the late week bringing with it rain, accumulating snows, and a sustained period of strong winds across the Great Lakes, Mid-Atlantic, and Northeast US.
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Today will feature high temperatures well up in the 50’s with high pressure in control, but it turns colder on Tuesday and there will be a chance for some snow. A low pressure system is likely to rotate around the base of a longwave upper-level trough on Tuesday as it tracks from Utah to eastern Colorado. As a result, some snow will first form over the higher elevations to the west of here and then snow showers can make their way into the metro region as it turns much cooler following the mild conditions of today.
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The last day of the work week will feature dry and mild conditions and afternoon highs not too far from 60 degrees. It turns cooler for the weekend and then colder early next week with highs likely confined to the 30’s by Tuesday and Wednesday. A low pressure system could arrive here around Tuesday of next week bringing us a chance of snow in the metro area.
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The next couple of days will be relatively warm and dry across the region with afternoon highs not far from the 60-degree mark. It turns slightly cooler this weekend and then colder early next week. A low pressure system could arrive early next week with a chance of rain or even snow as it turns colder in the region.
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The remainder of the week will feature relatively quiet weather across Colorado with dry, cool conditions prevailing. Temperatures for the next few days should climb well up into the 50’s for afternoon highs and then drop to near freezing for overnight lows. With high pressure in control, each of the next few days should feature plenty of sunshine to go along with the dry, cool conditions.
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After a very wintry week and weekend, the upcoming week will feature much quieter weather across Colorado with dry, cool conditions to prevail. Temperatures today should climb to the low-to-mid 50’s and then likely into the low-to-mid 50’s on Tuesday and Wednesday as well. With high pressure in control, each of the next few days should feature plenty of sunshine to go along with the dry, cool conditions.
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Wintry weather will continue here today and tonight with snow at times and significant accumulations are likely by early tomorrow. As an upper-level low pushes overhead, snow will continue off and on through the night, heavy at times, and accumulations may be in the 8-15 inch range by early Saturday.
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Wintry weather will continue here today with the good chance of snow at times and some accumulations are possible of as much as a few inches in some spots. As an upper-level low pushes overhead later tomorrow, the chance for significant accumulation will increase from later tomorrow into early Saturday. Total snowfall amounts between today and Saturday could end up in the 6-12 inch range for the Denver and Boulder metro regions.
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