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Wednesday, January 28, 2015

a short respite... (am.28.jan.15)>

It's mostly clear just before the sun comes up this morning.  I've recorded an overnight low temperature of 38.1F (3.4C), and there has been no precipitation since yesterday afternoon.

We're in the midst of a respite between fast-moving upper-level disturbances at the moment, and that should allow us to enjoy some sunshine (in the midst of occasional clouds) today.  But the next weak circulation and pool of colder air aloft will swing across northern India tonight and Thursday, causing clouds to thicken up again... leading to another risk of a period of rain and snow showers.  Temperatures throughout all layers of the atmosphere may be a couple of degrees cooler this time, so if we're going to get even a little bit of snow on the ground here in McLeod before January 2015 comes to an end, this will be our last chance.  Computer models significantly underestimated the disturbance on Monday night and Tuesday... so we'll see what we can come up with tonight and tomorrow.

Rapid clearing should occur on Thursday evening, leaving us with another short period of fairly nice weather during the first part of the weekend.  Then... there are hints of a more organized and longer-lasting period of rain/snow beginning late Saturday night, and lasting perhaps all the way through Tuesday.  Stay tuned for more on that.

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