Tuesday, February 06, 2007


So where is the snow?

There's a chance for a dusting to an inch tonight, then there's another chance (small chance) of an inch this weekend. The next big chance of some snow will be around Valentine's Day, and then there are a few more chances beyond that (like around the 17th). It looks to be cold for at least the first three weeks of February, and the ocean temps are now around freezing (some near-shore buoys reporting 31 degrees). So everything seems to be in place, we just need some moisture.

As of today, we are actually too cold for snow. It is so cold out, and the arctic high pressure dome of cold air so powerful, that all warm moisture-laden air is being suppressed down south. So, we actually need to get some of that warmer moister air up here in order for us to get any decent snows. The good news though is that for any coastal low that develops in the coming weeks, the typical "warmer ocean influence" that often causes our snows to mix with sleet and change over to rain will be less likely to occur, or at least limited more to the coastal areas.

So, its cold out. Very cold. But it could be worse. Much worse. The picture above was taken yesterday from the observation deck of the Mount Washington Observatory. How cold is it there? Today they are under a wind chill warning for wind chills 50-80 below zero. The high temp today will be about -10 to -20. Current temp up there is -17.2 degrees F. Winds this hour are 85.6 mph, gusting to 101.3 mph producing a current wind chill of -62.5 degrees F. Talk about too cold to snow!

4 Comments:

Anonymous Anonymous said...

The above pic is clickable, and is in pretty good definition. The picture was taken to show the virga - which is just precipitation that is falling out of the clouds, but not reaching the ground. This typically happens when the air is so dry (like it is now here) that the precip evaporates before hitting the ground.

10:18 AM  
Blogger S'girl said...

Too cold to snow, but looks like perfect weather for spitting!

10:20 AM  
Anonymous Anonymous said...

It is always perfect weather for spitting. However, even up on Mt. Washington, its not cold enough for our experiment - it looks like we need at least -35 actual temp, or colder to perform the experiment.

1:09 PM  
Anonymous Anonymous said...

I didn't know it could be too cold for snow. I need to discover the perfect conditions to make it too _________ for my wife to talk! Any suggestions? Perhaps I need to change the focus from her to me and make it something like DT is to far away to hear her talk, or too indifferent to hear her talk or to loaded to hear her talk . . .

Yeah! That's the ticket. FB always inspires me!

3:08 PM  

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