Friday, December 20, 2013

december disturbances... (am.20.dec.13)>

The latest batch of colder air is in place across the mountains of northern India, underneath an upper-level flow that remains very progressive and changeable.  There have been numerous wiggles and ripples aloft these past few weeks, and the latest is what has ushered in this recent surge of chilly winter air.

Another upper-level disturbance is on schedule for late Saturday into Sunday, and this one is looking a bit more potent than the last few.  Computer models are hinting that it may be able to generate an area of surface low pressure over northwest India, which could bring in a bit of moisture into the equation.  That means we may see some scattered rain and snow showers across Himachal Pradesh -- especially between Saturday night and Sunday night.  It's not looking like much to get excited about, but there could be a fresh coating of snow on the Dhauladhars before the weekend is finished, and there could even be some (barely) measurable rain in McLeod.

The overall pattern will continue to be moody, fickle and changeable next week as Christmas approaches, but there's still no evidence of a significant storm system for us.  Temperatures will average out near or even a bit below normal for this time of year -- nothing really out of the ordinary for the latter half of December...

Regular forecasts and updates will resume in a couple of days as I return home from recent travels..........