Monday, April 15, 2013

one of the best... (pm.15.apr.13)>

Monday's stats:

Early morning low temp: 57.0F (13.9C)
Afternoon high temp: 73.9F (23.3C)
Rainfall: none

A beautiful evening in progress... we have mostly clear skies, apart from some haze down in the valley and a few leftover cumulus clouds over the mountain peaks.  As I look over my daily records for April, I see that today has been one of the sunniest, and also the fifth warmest of the month.  Humidity has been low as well -- averaging mainly in the 35-40% range all day.

A bubble of slightly warmer air aloft associated with the weak ridge of high pressure over northern India today kept things quite stable over the mountains for the first time in several days.  But, a disturbance bringing a broad area of colder temperatures in the upper-atmosphere is dropping southeastward, and will sweep across our area tomorrow (Tues) into Wednesday.  Although there will be increasing instability by tomorrow afternoon, it looks like there will be very little moisture for this system to work with.  So, though there is a good chance of some scattered thunderstorm development, at this point I think it's going to be difficult to come up with much in the way of significant rainfall.  The best chances for that happening now look to be Tuesday afternoon and overnight, with our air mass drying out quickly on Wednesday.

A classic dry season air mass will settle across most of northwest India during the latter part of the week, making it hard for afternoon thunder development over the mountains to lead to more than just a few sprinkles of rain.  Unless something radically changes, this April really is shaping up to be the driest month of the last year or more.

Check the CURRENT FORECAST tab above for the latest 5-day outlook.