It might be really effin’ cold for the Birkie.

Just going to put that out there.

But first, Thursday. If you’re flying in on Thursday night, be forewarned that there may be some snow in MSP. Probably not enough to cancel flights, but maybe enough to allow you to move your flights around if things get tricky. Up in Hayward, you’ll probably see 2-4 inches of new snow, starting a little wetter and then, as the temperature drops, getting dry and powdery. This will be on top of a base which will see sun and temperatures in the 30s for the next two days, so the surface will transform in places (but perhaps not on north-facing uphills, which are most hills in the race). With new snow and lots of grooming, I would expect a course much like in 2011: mostly cold snow with a little ice mixed in to keep it fast, but not enough to require klister or anything.

On to the temperatures. They’ve been trending downwards. While at first it looked like the warmer air might hang on in to Birkie day, it now looks like it will depart on Thursday night. As high pressure settles in, winds will slacken. If they go calm on Friday night, with new snow, the temperature will drop, and we could make a run at the all-time record (-14) or the 2011 mark (-11). Luckily, we only get that cold if there’s no wind, so wind chills won’t be worse. And given the high sun angle, it should warm nicely, albeit only in to the teens, not the 30s. If it were early January, we wouldn’t be seeing zero.

Now things can change, and it could be warmer for the race. But the trends I’m seeing suggest colder. The NWS has been dropping their forecast temperature gradually, but they often build a regression to the mean in to long range forecasts. If the trends hold, make sure you don’t forget your wind briefs.

So after threat upon threat of a thaw seemed like a major possibility, recent guidance has pushed the freezing line southwards. It now appears that any warm temperatures in Birkieland will be minimally above freezing, quite possibly not enough to transform much snow. In addition, while the storm later in the week has been drifting off the models, a storm closer in—on Monday—should drop several inches of fresh snow on the course.

In other words: there will be a lot of snow on the course!

What we’re looking at are highs in the low 30s during the week—Tuesday, Wednesday and Thursday. There’s then a chance of snow on Friday, and with it cooler temperatures, with highs in the 20s. This should allow the course to set up nicely, but likely with some new snow groomed in, so it won’t be an icy, frozen base. An early call for Saturday would be temperatures around 10, perhaps a slightly breeze from the northwest, and some lingering snow.

But this can, and will change. So wax up those softer skis. Or leave them for the pros (shameless promotion of advertisers, look to the left). Also note that if you need last-minute lodging, check this out.

We are one week and one hour (and four minutes as I type) from the start of the Elite Mens freestyle race. One. Week. Away.

Here’s what’s going on with weather speculation.

The GFS has backed off of any real warm-up, and looks cold and dry for the race, with a few inches of snow midweek. It had been showing a “Panhandle Hook” type of storm before the Birkie, this is now delayed until Saturday evening and only a few inches of snow.

The ECMWF has the hook coming through on Thursday, and then colder weather for the race.

If I had to guess right now, I’d guess some fresh snow with some refreeze mixed in, temperatures at the start around 10. So it will probably be 30 and blizzarding; we’ll see.

(Anyone else catch MPR news drop the B-word yesterday?)

In a week, I’ll be in Hayward.

Let me take some ibuprofen; my fever has gotten high. And repeat:

IN A WEEK, I’LL BE IN HAYWARD. Say it with me. Again and again. There is no cure for the fever.

On to weather speculation. In the past day or so, the models have backed off of the very warm temperatures—to a degree. It looks like we won’t see temperatures breaching the 40 degree mark, and with cool nights the snow, if it transforms, will do so minimally. Then, there’s new snow. A few inches on Monday are likely. Then warmer Tuesday through Thursday.

After that is a wild card. The models have been flip-flopping, but a relatively constant theme is some snow. Some (the 00Z run of the Euro, for instance) have shown warm, wet snow the day before the race. Others (the 12Z GFS) show a cold front swinging through and more southeast weather system, which would bring several inches of cold powder during the race. But it could be a particularly white Birkie this year.

And it should be a nice ride for the next few weeks. Stay tuned!

“I don’t know whether the weather will improve.”

10 points if you get that Simpsons reference.

Anyway, the weather a week out looks, well, interesting. After two months the polar vortex (I’m not going to get in to explaining how it’s actually a thing that the news media latched on to because it sounded cool and bastardized) is retreating back to its home near, well, near the pole, allowing a more westerly flow from the Pacific to feed slightly warmer air in to the region. So instead of highs around 5, the highs will peak in to the 30s next week.

And what does this mean for the Birkie? Well, several things:

• First, this is not a catastrophic melt. It would have to be 60 to really scare me. The race will go on!
• There should be a couple of rounds of snow this week and weekend, so the base will get something new on top.
• If it just gets to 35 a couple of days without much sunshine, the snow may not transform. Or if it does, only the very top layer will get wet and refreeze. With good grooming (there’s always good grooming) this would mean that it would be soft conditions but with some ice mixed in, so faster.
• However, if it gets to 40, or it rains, the liquid may penetrate deeper. If this happens, expect it to refreeze more solidly, resulting in a firmer course.
• Recent models have trended a bit cooler for race day, so I’d expect it not to be sloppy. Whether it’s powder or refreeze, well, time will tell.