Monday, August 19, 2013

mega-wet... (am.19.aug.13)>

*Update @ 8:16am... An additional 0.63" (1.6cm) in the past hour and a half.  Rain seems to be lighter again at the moment.  The total since midnight stands at 3.40" (8.6cm) -- what a way to kick off a Monday morning!  Needless to say, there are probably some unstable spots on roads and hillsides, etc., due to all the rain we've had since yesterday afternoon.  Be watchful for local landslides and wash-outs.

*Update @ 7:09am... The rain has gotten heavier again, just as I posted this morning's blog.  Will update the rainfall tally shortly.

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A period of very heavy rain has been coming to an end during the past hour.  The massive dumping which was heaviest between about 3:30 and 5:00am deposited 2.77" (7.0cm) of rain in my gauge up here on Tushita Road below the Mountaineering Center.  Combined with yesterday afternoon's downpour, that makes 3.85" (9.8cm) in the 24 hour period.  There's still some light rain in progress at sunrise, with cloudy skies, 100% humidity, and a temperature of 64.5F (18C).

Talk about ebbs and flows!  Just this time yesterday we were discussing the weak and wimpy phase of the monsoon we had been in for a couple of days, and wondering when we would get hit again.  It's been very active since then, with a couple of periods of heavy rain, thunder and lightning, thick fog at times, and even some nice blasts of sunshine thrown in for good measure.  Computer models continue to be no help at all in predicting these surges of moisture, and how they will interact with the front ranges of the mountains.  This is pretty typical for the latter half of August, though, as traces of drier air from the west compete with the thick tropical moisture that doesn't want to give up much of its territory (yet).

There are still indications that we'll be seeing a general drying trend as this week goes on, which could feature a couple of hours of sunshine here and there, along with some periods of lower humidity.  Having said that, monsoon downpours can and will occur at any time, so be on guard for sudden changes.

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