Thursday, April 11, 2013

quick recovery... (am.11.apr.13)>

We have mostly clear skies early on this Thursday morning -- it is already 59.0F (15.0C), after an overnight low temp of 56.5F (13.6C).  There was no more rainfall overnight, which leaves the total since very early Wednesday morning at 0.16" (4mm).

The upper-level disturbance responsible for our cooler and occasionally showery weather yesterday is quickly becoming a thing of the past, as its circulation center encounters the higher mountains and gets sheared apart.  Warming aloft is already occurring in its wake, and we'll have a rapid rebound in temperatures which should last into the weekend.  Potential mountain instability is really the only thing that needs to be watched during the next few days, as sunshine heats up the lower layers of the atmosphere while pools of colder air hover over the Himalayan ranges.  If you'll be hiking or trekking, just be aware of the chance for conditions to change very rapidly in the higher elevations during the afternoon hours -- which is normal almost any time of the year, but especially during the warmer seasons.

Looking further ahead, the weather pattern looks like it will be in a state of transition during the first part of next week.  Warmer air will continue to build on the plains to our south, but colder air in the higher levels of the atmosphere threatens to spill southward as well... so we could find ourselves in a battle between.

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