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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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#1
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Hi, All,
Thunder, lightning and light (so far) showers. Ken Copley, Teesdale |
#2
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On Oct 25, 10:12*pm, "Ken Cook" wrote:
Hi, All, Thunder, lightning and light (so far) showers. Ken Copley, Teesdale This is Not Fair. It's down here where all the thundery activity is supposed to take place but it's gone very quiet indeed in the last couple of years. Seriously, I think that thunder has been displaced northwards in this country in the last 25 years or so as part of the general drying up of summer down here though I don't have any figures to prove it. Does anyone? Tudor Hughes, Warlingham, Surrey. |
#3
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"Tudor Hughes" wrote in message
... On Oct 25, 10:12 pm, "Ken Cook" wrote: Hi, All, Thunder, lightning and light (so far) showers. Ken Copley, Teesdale This is Not Fair. It's down here where all the thundery activity is supposed to take place but it's gone very quiet indeed in the last couple of years. Seriously, I think that thunder has been displaced northwards in this country in the last 25 years or so as part of the general drying up of summer down here though I don't have any figures to prove it. Does anyone? Hi, Tudor, First one in October since 2005 here, though. It lasted about an hour and looked quite impressive, they always do in the dark though, don't they! Thick fog after, then clearing skies and ground frost. Ken Copley, Teesdale |
#4
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Drying up of summer ! ,come on young man where are your facts ?
RonB "Tudor Hughes" wrote in message ... On Oct 25, 10:12 pm, "Ken Cook" wrote: Hi, All, Thunder, lightning and light (so far) showers. Ken Copley, Teesdale This is Not Fair. It's down here where all the thundery activity is supposed to take place but it's gone very quiet indeed in the last couple of years. Seriously, I think that thunder has been displaced northwards in this country in the last 25 years or so as part of the general drying up of summer down here though I don't have any figures to prove it. Does anyone? Tudor Hughes, Warlingham, Surrey. |
#5
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"Tudor Hughes" wrote in message
... Seriously, I think that thunder has been displaced northwards in this country in the last 25 years or so as part of the general drying up of summer down here though I don't have any figures to prove it. Does anyone? .... using the figures in the COL book of means for 1981-2010 (and within that period, 2001-2010), there is some evidence for that deduction: I meaned-out five stations with 30 years-worth of 'thunder heard' observations in the southeast against five stations in a composite of the Midlands & NE England, looking at the annual and 'summer' statistics [ all stations contributing to the full 30 year record ]. The five stations for the southeast we Maidenhead, Crowthorne, Wokingham, Coulsdon & Warlingham. Over the thirty years, the mean annual was 15.0 (summer 7.0); for the last ten years (2001-2010), the figures came down slightly to 14.3 (summer 6.9). The five stations for the 'north' (as defined above) we Carlton-in-Coverdale, Middlesbrough, Whitby(WC), Wirksworth & Weston Coyney. Over the thirty years, the mean annual was 9.6 (summer 4.8); for the last ten years the *annual* figure came down to 9.1 but the *summer* figure *increased* to 5.9. Whether these changes are statistically significant would take a much deeper analysis than I can do with the data available to me, but I would subjectively tend to agree with you that in recent years I've watched situations where summer storms should have 'hit' places in the south where I've been living ... only to see the activity focused somewhat further north (and particularly east - ex-continental activity grazing the eastern counties of England in particular). Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 |
#6
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![]() "Martin Rowley" wrote in message ... "Tudor Hughes" wrote in message ... Seriously, I think that thunder has been displaced northwards in this country in the last 25 years or so as part of the general drying up of summer down here though I don't have any figures to prove it. Does anyone? ... using the figures in the COL book of means for 1981-2010 (and within that period, 2001-2010), there is some evidence for that deduction: I meaned-out five stations with 30 years-worth of 'thunder heard' observations in the southeast against five stations in a composite of the Midlands & NE England, looking at the annual and 'summer' statistics [ all stations contributing to the full 30 year record ]. The five stations for the southeast we Maidenhead, Crowthorne, Wokingham, Coulsdon & Warlingham. Over the thirty years, the mean annual was 15.0 (summer 7.0); for the last ten years (2001-2010), the figures came down slightly to 14.3 (summer 6.9). The five stations for the 'north' (as defined above) we Carlton-in-Coverdale, Middlesbrough, Whitby(WC), Wirksworth & Weston Coyney. Over the thirty years, the mean annual was 9.6 (summer 4.8); for the last ten years the *annual* figure came down to 9.1 but the *summer* figure *increased* to 5.9. Whether these changes are statistically significant would take a much deeper analysis than I can do with the data available to me, but I would subjectively tend to agree with you that in recent years I've watched situations where summer storms should have 'hit' places in the south where I've been living ... only to see the activity focused somewhat further north (and particularly east - ex-continental activity grazing the eastern counties of England in particular). Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 Average number of days with thunder in Romsey: 1981-1990... 10.0 per year 1991-2000... 10.1 per year 2001-2010... 9.1 per year Most active year... 1999 with 19 days The quietest year... 2010 with 2 days Nigel (Romsey, Hampshire) |
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