Thread: This weeks low
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Old July 6th 04, 08:10 AM posted to uk.sci.weather
Jim Smith Jim Smith is offline
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First recorded activity by Weather-Banter: Jul 2003
Posts: 147
Default This weeks low

scuse my ignorance - what does PVA stand for/mean?

Jim.

"keith.r.harris" wrote in message
...
Thanks Paul, I should look at those WV images more often. I must admit I
realy need to get my head around the links with jets PVA's and upper

troughs
as there's obviously a lot to be gleaned from this understanding.

Keith (Southend)
http://www.southendweather.net

"PJB" wrote in message
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