Thursday event are still looking good. It appears the storm may come
in waves. The first wave will probably break out around noon time with
a rain or mix. It will slowly transition to a mix and then kind of let
up, a lull, if you please.
What has me concerned is the second wave, after the lull. There will
be that high pressure building in from Canada reinforcing some colder
air, and the models have kind of shown the cold air reaching the area
as the storm bombs out just off shore changing all precipitation to a
heavy, wet snow.it will also freeze any liquid which has fallen
earlier in the day. This will create a nightmarish travel period
around the evening rush hour. It is plausible that a significant
amount of snow falls in this period.
If you have ever looked at a storm on radar or satellite and seen the
comma head associated with a storm, we will be having the comma head
portion of it move over our area, which is known as the CCB, or cold
conveyor belt. In this, you cab get very dynamic activity including
high precip rates, convection (thunder) intense bands etc. This has
been shown on a number of models as most are now coming to a
consensus, much of what I desired in my last post.
More to come tomorrow! Oh, the Air Force will be sending the Hurricane
Hunters into the storm in the morning and that data will be used in
the noon model runs! I will be looking forward to that!
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