Under the Weather: A wet weekend on tap, featuring an atmospheric river

For the month of December thus far, we are running behind in terms of average total precipitation. Through Dec. 16, Paine Field has registered 1.12 inches of rain in the gauge. The normal amount for the same time frame is 2.66 inches. However, we are expected to play catchup this weekend, as a couple storms—including…

Under the Weather: How likely is a white Christmas?

We’ve all heard the song lyric, “I’m dreaming of a white Christmas, just like the ones I used to know…” There’s just something about snow on Christmas that makes it a little bit more special (although I’ll take snow any day of the year). Believe it or not, there is a meteorological definition for what…

Under the Weather: Meteorological winter kicks off with a mostly dry forecast

It is the most wonderful time of the year! Winter is finally here, at least to meteorologists and other weather enthusiasts, and it makes me excited for the possibility of scenes like the picture above. Meteorological winter officially arrived Dec. 1, ahead of its astronomical counterpart. (You can read more about meteorological and astronomical seasons…

Under the Weather: Dry day likely for outdoor Thanksgiving gatherings

It is a little hard to believe, but Thanksgiving week is here. Even though this year looks a little different than previous years, we can still make the most of it. Some of you may be attempting to have outdoor gatherings this year, and if that’s you, you are probably very interested in whether it…

Under the Weather: Mostly dry this weekend, but rain set to return next week

After being hit with several storms over the past couple weeks, we are finally expecting a break from the crazy weather. November tends to be the wettest month of the year, and it definitely seems like we’re living up to that expectation. Interestingly enough, through the first 18 days of the month, we are actually…

Under the Weather: A mostly dry, yet cool weekend ahead

It has been quite the wet week so far, hasn’t it? Multiple storms have impacted us this week, bringing decent amounts of rainfall over the area. Above is a map showing some precipitation totals for this week through 4 p.m. Thursday. As you can see, totals primarily ranged between a half inch and one inch….

Under the Weather: Rain returns just in time for wettest month of the year

Around here, November is typically the wettest month of the year in terms of average total precipitation. You can see in the above graphic that the normal amount of total precipitation for the month of November is just over six inches, higher than every other month. The number of storms tend to ramp up this…

Under the Weather: Uncertainty and weather forecasting in a chaotic system

Most of us, if not all of us, have seen a forecast graphic similar to the one pictured below. Temperatures are shown as specific numbers, such as 72° or 69°. This is called a “deterministic” forecast, which is a forecast that doesn’t show any uncertainty. While people tend to like this approach to forecasting, it…

Under the Weather: Fall storms get off to an early start with an atmospheric river

  Autumn has only just begun, but we’re already expecting the stormy weather that we’re accustomed to seeing this time of year. On Wednesday, an atmospheric river is expected to take aim directly at the Pacific Northwest, bringing with it some significant rainfall. What is an atmospheric river? I wrote an article about this phenomenon…