Friday, May 10, 2013

something brewing... (am.10.may.13)>

It's been another calm, quiet and very mild night, with a low temperature of 67.5F (19.7C) -- that's yet another in a string of 'new warmest' of the season.  This morning we have sunshine and just a few high clouds with temps already warming above 70F, as humidity continues to hover near 30%.

The high pressure ridge which has been controlling our weather for most of this week will finally begin to relinquish that control during the next 12-18 hours or so.  A rather expansive upper-level disturbance over Afghanistan and western Pakistan this morning will shift eastward and move across northern India over the weekend, putting an end to our recent streak of dry and quiet conditions.  We'll see a gradual increase in the moisture content of the air, while colder air in the higher levels of the atmosphere seeps in from the northwest.  That points toward an increasingly unstable air mass which could produce at least a couple of rounds of showers and thunderstorms between tonight (Fri) and Sunday evening.  It's not going to be a total wash-out of a weekend, by any means, but definitely be prepared for the rain potential.

Temperatures today will be above normal for early May, again -- for the fourth day in a row -- but if we do manage to get some significant rainfall over the weekend, those temps will take a hit.  We may drop a bit below seasonal norms until a rebound kicks in by Monday and Tuesday of next week.  Check back here for updates over the weekend as we keep an eye on developments.

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