Cold but mostly dry for Halloween

Sunday, October 28, 2018

Ahead of a cold but mostly dry Gulf of Alaska storm that will move piecemeal over the west starting today, warm temperatures well above our 52 F average and breezy westerly winds will grace the Steamboat Springs area this Sunday and most of Monday, with clouds encroaching on our region during the day Monday in advance of the storm.

The warm temperatures will disappear after Monday as a couple of dry cold fronts pass through our area starting around later Monday afternoon or overnight. The high temperature for Tuesday will be below average, and the second front Tuesday night will bring even cooler temperatures for Wednesday. Though temperatures will be cold enough for any precipitation to fall as snow over the Yampa Valley, there is only a chance of light snow showers for Tuesday, with Halloween likely remaining dry.

Meanwhile, a ridge of high pressure is forecast to build in the Gulf of Alaska by midweek behind the departing storm, and a couple of waves of Pacific energy and moisture traveling over the top of the ridge will move over our area on Thursday and Friday. We should see a good chance of light snow showers during the day Thursday and a better chance from Thursday night through Friday night in continued below average temperatures before a break occurs heading into the early part of next weekend.

Though next weekend may start warmer and drier, additional Pacific energy moves across the west in northwest flow brings more chances for precipitation around mid-weekend. Unsettled and cool weather in generally northwest flow looks to continue into the following work week as well.

Nice fall weekend ahead of colder and wetter weather

Thursday, October 25, 2018

The current cloudy skies in Steamboat Springs this Thursday afternoon are due to a wave of energy and moisture traveling down the east side of a flat ridge of high pressure to our west. Originally forecast in my last Sunday discussion to stay north and east of our area and arrive for Friday, the earlier arrival means warmer and sunnier weather for tomorrow, with high temperatures near our 54 F average.

The western ridge of high pressure will build over the weekend and move over our area leading to pleasant weather extending through Monday. A wave of Pacific energy and moisture is deflected to our north by the ridge around mid-weekend, and we should see breezy northwest winds with above average temperatures and some clouds on Saturday ahead of the wave, with less wind and slightly cooler temperatures for Sunday.

Warmer temperatures are expected Monday ahead of cooler and wetter weather that is still forecast for the rest of the work week as a strong Gulf of Alaska storm moves piecemeal over the west. The first part of the storm arrives around Monday night and will carry relatively dry but cold air originally sourced from the North Pole. A reinforcing wave of cold, but still relatively dry air is forecast for early in the day on Halloween, and we may see some light snow showers in the Yampa Valley on Tuesday and the first part of Wednesday during and behind these cold fronts.

A ridge of high pressure builds in the Gulf of Alaska behind the departing storm, and a much wetter Pacific storm moves over the top of the ridge and mixes with some cold air from Alaska around Tuesday. This should be a fairly significant weather maker for northern Colorado later Wednesday and Thursday as the storm will be accompanied by strong northwest winds and plenty of moisture. It is unclear whether the storm arrives early enough to affect Halloween activities for later Wednesday and whether it will be all snow in the Yampa Valley on Thursday, but snow above the valley floor will likely make travel over the passes difficult.

There is a lot of uncertainty for Friday and the following weekend as weather forecast models disagree on the track of another storm that may affect our area.

Pleasant weather follows early week shower chances

Sunday, October 21, 2018

After a spectacular fall day in Steamboat Springs yesterday with a high temperature of 62 F, this Sunday afternoon and Monday will feature similar temperatures before they are knocked back closer to our average of 56 F for Tuesday and Wednesday by a weak storm moving over our area.

This storm is actually the southern part of the storm from over a week ago that was left behind. Incoming Pacific energy will nudge this storm eastward and over our area around Tuesday, with the weak storm becoming even weaker as it is sheared into two pieces that will skirt northern Colorado and bring the best precipitation to our south.

While we will see some passing clouds ahead of and behind the system, our best chance of rain showers will be from Monday night through Tuesday night. Snow levels will be quite high, around 12,000′, as the system has very little cold air. Light showers may be possible Wednesday afternoon in the somewhat cooler northwest flow behind the exiting system before warmer and drier weather returns later Thursday.

The rest of the work week and the following weekend are forecast to be dry as a ridge of high pressure moves over the west. Some Pacific energy moving around the periphery of the ridge looks to stay mostly north and east of our area, though we may see a bit of cooling for Friday and breezy northwest winds on Friday and Saturday as that system grazes northern Colorado.

Enjoy the pleasant fall weather now since it appears we may be in store for a pattern change after next weekend that will bring much cooler and unsettled weather back to the west.

Showers possible later today and early next week

Thursday, October 18, 2018

A piece of the storm from last weekend is approaching the Steamboat Springs region this Thursday afternoon, and we will have a chance of showers later today as most of the storm moves east of our area by midnight. A pleasant weekend will follow before the chance for showers return for the start of the upcoming work week.

The cold air I talked about in last Sunday’s blog looks to stay east of our area, and even the Front Range, as it plunges into the Midwest and eventually the Northeast this weekend. A piece of the current storm that will bring the chance of showers to our area tonight will be left behind and is forecast to move westward back to the Desert Southwest before revisiting our area late in the weekend or early in the upcoming work week.

We should have plenty of sun for Friday and most of the weekend with high temperatures near our average of 57F.

Meanwhile, a large storm develops in the Gulf of Alaska this weekend, and incoming Pacific energy on the south side of this storm will eventually nudge the remaining piece of the storm in the Desert Southwest back towards our area later Sunday or Monday. We should see increasing clouds by late in the weekend, with light showers possible from Monday through Wednesday. While the system will be warm, the increased cloud cover may keep temperatures a bit below average.

Sunnier skies and warmer temperatures should return for the end of the work week and possibly heading into the following weekend as some weather models forecast a shallow ridge of high pressure temporarily building over the west ahead of the fairly stationary Gulf of Alaska storm.

Quiet weather for the week ahead

Sunday, October 14, 2018

Other than cold temperatures for Monday, especially in the morning, a quiet weather week for Steamboat Springs is forecast to follow what has been a very active two weeks.

The Yampa Valley is currently experiencing temperatures in the low thirties, which is well below our average high of 59 F, along with periods of sun and passing snow showers this Sunday afternoon. While the snow showers will end later today, very cold air moves over our area tonight with low temperatures Monday morning perhaps reaching the single digits!

Though there will be plenty of sun on Monday, the very cold start to the day will keep afternoon high temperatures well below normal again. Temperatures should start warming by Tuesday and more so on Wednesday as a ridge of high pressure over the West Coast moves inland.

A piece of the storm from this past weekend was left behind over the Desert Southwest, and the southerly flow around this may bring some clouds around midweek and a small chance of some rain showers Thursday.

Several pieces of Pacific energy riding over the ridge of high pressure in the west are forecast to mix with the rapidly-growing-colder airmass in Canada and travel down the east side of the ridge starting Friday. Though most of the cold air from these waves will drop into the eastern two thirds of the U.S., some of it may make it far enough west to bring cooler temperatures to our area starting Friday and lasting through the weekend, though the westward extent of the cool air may be limited to the Front Range of Colorado.

More quiet weather is expected after that as the ridge of high pressure continues moving eastward and brings more sun and even warmer temperatures after next weekend.

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17 June 2018

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