Today's Message Index:
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1. 08:33 AM - Re: RTW (Bill Watson)
2. 10:02 AM - RTW (dlm)
Message 1
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Not so much a reversal if you think up from the surface where what has
traditionally been known as the trade winds follow this pattern
worldwide - east and west, north and south.
Above the 30s north and south the winds tend to be westerly, towards the
equator they tend to go east. The westerlies are king, the eastern
winds princes and no dominant winds go north or south. The think that
is some version of sailing stuff but I don't sail. Above 40,000 might
as well be space in our craft.
Bill "I like reading about sailing ship stuff" Watson
On 9/13/2017 4:28 AM, Rodger Todd wrote:
> Thanks very much for that Dave; I certainly wasn't aware of the low
> level reversal.
>
>
> On Wednesday, 13 September 2017, 16:12, dlm <dlm34077@gmail.com> wrote:
>
>
> CA to HI starts with headwind usually north of 30N and route goes
> south of 30N about mid trip. Some single engine ferry flights to HI
> and beyond have ditched short of HI when the tailwind did not meet
> expectations. ERAU Prescott AZ had a seminar one evening of a ferry
> flight for a Cirrus to Sydney. The Cirrus took off from KSFO about
> 2000 over gross; crossed 30N and made it to HI and beyond.
> Took a physical geography course at a local college in 2015 and the
> global air circulation patterns indicate in the Northern hemisphere
> that between 30N and 60N the prevailing winds at all altitudes below
> about FL400 are from the west and that the prevailing winds from the
> equator to 30N are from the East.
>
>
---
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Message 2
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check
https://www.metoffice.gov.uk/learning/learn-about-the-weather/how-weather-works/global-circulation-patterns
The web site addresses the air circulation patterns of the Hadley cell,
Ferrel cell and Polar cell
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