Tuesday, December 31, 2013

weather drama... (am.31.dec.13)>

*Update @ 5:07pm... Sleet storm in progress!  Ground is totally covered in main square of McLeod, with heavy rain and sleet continuing...

*Update @ 3:37pm... A thundershower in progress at the moment.  The temp has been very steady nearly all day, near 41.5F (5.2C), as humidity hovers right in the 95-100% range.  This is not cold enough to worry about snow here in town -- though the very cold air aloft has produced some sleet on occasion.  My gauge is showing 0.49" (1.2cm) of rain and melted sleet since this all began early this morning.

*Update @ 9:23am... Current temp 41.4F (5.2C).  Gusty winds, but not much shower action where I am during the past 45mins.  Some peeks of sun trying to break through.  Won't be able to get online for a few hours... hoping things don't get too nasty.

*Update @ 8:14am... Very windy with a rather heavy rain shower and a bit of sleet mixed in.  Currently 41.2F (5.1C) here in the upper part of town.  Rain is blowing almost horizontally, so not sure how much of it is ending up in the rain gauge!

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It has been one heck of a wild ride overnight, as all the awaited meteorological ingredients came together and coalesced into a wet and noisy scenario for us.  It's cloudy and windy at sunrise, with a few sprinkles, currently.  My rain gauge shows 0.27" (7mm) of precipitation, which began accumulating sometime around 1:00am.  I've recorded a low temp of 37.2F (2.9C) sometime during the wee hours of the morning, but my digital thermometer also shows that the temp was as high as 47.3F (8.5C) just after midnight -- so our air mass has obviously been mixing and churning intensely.  There is fresh snow on the mountains, but thus far that rain/snow line has remained well above McLeod.  As a by-product of all this... there is no electricity this morning (no big surprise).

For many days we've been watching that upper-level circulation which had been parked over Afghanistan, and anticipating when it might approach, and what it might stir up for us.  This morning the very center of that system is over northern Pakistan, and as expected, has already showed signs of weakening during the past 12 hours.  You wouldn't know that by our wild weather -- since what's left of the dynamic energy has just moved into northwest India and met up with a good amount of moisture being drawn up from the south.  So -- although the upper-level circulation itself is already in the process of dying, we're going to have to contend with a turbulent atmosphere and a relatively large area of moisture being lifted up against the mountains for the next 24 hours or so.

Expect occasionally strong and gusty winds and periods of rain showers on this New Year's Eve, with some improvement likely before noon on New Year's Day.  It's looking like the line for accumulating snow may remain above us here in town... but I wouldn't bet a lot of money on that!!  We're going to have to keep a close eye on this very angry and usettled atmosphere during the 2013/2014 hours of transition...

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