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Old March 29th 14, 08:11 PM posted to uk.sci.weather
Dawlish Dawlish is offline
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Default **Forecast: Retrogression leading to cooler than averagetemperatures on 20th March at T+240**

On Thursday, March 27, 2014 4:34:14 PM UTC, Freddie wrote:
On Thu, 27 Mar 2014 05:48:44 -0700 (PDT), Dawlish

wrote:

My commentary is my evidence.


Freddie; a commentary - i.e. your assertions about upper air data -


is not evidence. The evidence is there in the charts.

No - the commentary was my description of the movement of the various

high pressure centres on the charts. I agree that the evidence is

there in the charts - hence the commentary. Assertions are assertions

(backed up by Rossby wave theory - not just plucked out of thin air)

not the commentary on the charts.



I notice that you don't provide a


commentary - you just expect me to accept what you say.


Not really Freddie. I have referred you to your own lat/longs


showing a movement of the high from our East (which you now accept)

to our SW. In addition, the charts show exactly that in the period

16-19 March.

Yes, but as I have previously explained, the only high that moved

southwest was one that formed well to the wsw of the uk (referenced

in my commentary as high 'e'), and it moved in that direction due to

the slack upper flow in that area (and certainly didn't have any

influence on UK weather). The high that moved to our east during the

period in question decayed over the North Sea and any remnant ridging

was eroded from the north during the 14th and 15th.



Freddie



Any sign of those upper air charts to back these assertions, Freddie?