DIURNAL WIND
DIURNAL WIND
First off, Jimmy, I'm not after your foreasting job, so don't be threatened by this post
The Cdn marine forecast today mentioned this:
"TYPICAL DIURNAL WIND CHANGES ARE
EXPECTED OVER MOST AREAS"
Whazzup with that? A quick google search found this:
http://www.personal.psu.edu/users/t/d/tdo107/
Here's the deal -- if the winds aloft are ripping, a sunny day will typically bring those winds down to the ground for all of us to enjoy.
I think that happened yesterday with the afternoon clearing. Today, it's still 1/2 cloud which explains why the wind is a whole lot less.
The Cdn marine forecast today mentioned this:
"TYPICAL DIURNAL WIND CHANGES ARE
EXPECTED OVER MOST AREAS"
Whazzup with that? A quick google search found this:
http://www.personal.psu.edu/users/t/d/tdo107/
Here's the deal -- if the winds aloft are ripping, a sunny day will typically bring those winds down to the ground for all of us to enjoy.
I think that happened yesterday with the afternoon clearing. Today, it's still 1/2 cloud which explains why the wind is a whole lot less.
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Re: DIURNAL WIND
Interesting read - thanks. The only thing I can add is check out the pressure gradient from yesterday compared to today:morewind wrote: http://www.personal.psu.edu/users/t/d/tdo107/
Here's the deal -- if the winds aloft are ripping, a sunny day will typically bring those winds down to the ground for all of us to enjoy. I think that happened yesterday with the afternoon clearing. Today, it's still 1/2 cloud which explains why the wind is a whole lot less.
It looks like the pressure at Smith Is was a whole lot lower at 5pm yesterday causing a 2.3 mb gradient.
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