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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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On 02/04/2017 08:42, Col wrote:
On 01/04/2017 15:45, Norman Lynagh wrote: Col wrote: There were some around earlier but i seem to have missed most of showery activity that was around in NW England earlier this morning. But why do we have the term 'April showers' anyway? Convective shower activity is surely prevalent in all months of the year, is there any evidence that in April it makes up a larger proportion of total rainfall, compared to frontal rain? It's the month when the first of the 'home-grown' heavy showers and thunderstorms start to develop over the land as a result of solar heating of the land. Earlier in the year, much of the shower activity develops over the relatively warm sea. In other words, April is the month when the summer regime first presents itself. Yes, April is certainly the time when 'heat' showers first develop. However to the public a shower is just a shower and they wouldn't know if it was generated over the land or sea. So why not March, June or November showers? What I was getting at was is showery activity in April commoner than in other months? Col, if you assume that April shower is a meteorological term then your question is valid. However, I don't think it is such, but rather a folk saying. This article in Wikipedia may help to bring a bit of light here - https://en.wikipedia.org/wiki/April_shower. A forecaster of my acquaintance once told me that when he was a new forecaster at an RAF station, he was asked at his briefing 'when will the rain start' as he had forecasted rain later. He just threw out a time at random (well about the time the rain was expected). It so happened that it started to rain precisely at that time. He said that his forecasts were treated as Gospel from that point on, even when they were not as accurate as that. Just one occurrence at a time when it's judicious can affect people's thinking for a long time. After all, we all know that summers in our childhood were better than they are now. But does the record confirm this? Just my two pennyworth |
#2
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On 02/04/2017 09:27, Metman2012 wrote:
After all, we all know that summers in our childhood were better than they are now. But does the record confirm this? No. Anyone who thinks the summers of the 1960's were hot and sunny has a faulty memory, and is looking back at the past through rose tinted spectacles. It is more likely that hot sunny summers are related to more outdoor activities, long summer holidays, which means having a more memorable time. Sitting indoors reading a book with the rain lashing down outside is not the sort of thing to stick in the mind 30 years later. Same with winters in the past always being cold with heaps of snow. Normality does not stick in the mind, significant departure from normality does. I'll likely remember the summer of 1995 and August 2003 for the rest of my life, as well as June 2012 and July 2007 for the opposite reasons. Similarly December 2010, autumn 2000, March 2012 and 2013, April 2007 and July 2006. Back to April showers, it could be that, as has been mentioned, the home grown shower activity gets going at this time of year thanks to increasing solar heating combined with polar air masses still being cold (sea temperatures are at a minimum now), this combined with people starting to do more outdoor activities, so are more likely to get drenched by a shower on an otherwise pleasant sunny day. |
#3
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In message , Metman2012
writes After all, we all know that summers in our childhood were better than they are now. But does the record confirm this? Maybe I'm exceptional in lacking a pair of rose-tinted spectacles but, with the glorious exception of 1959, I remember an awful lot of cool and wet weather in the summers of my childhood (especially when we had arranged to go to the seaside for the day!). The 1950s and 1960s were not a vintage period for British summers. -- John Hall "One can certainly imagine the myriad of uses for a hand-held iguana maker" Hobbes (the tiger, not the philosopher!) |
#4
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On 02/04/2017 09:27, Metman2012 wrote:
On 02/04/2017 08:42, Col wrote: Yes, April is certainly the time when 'heat' showers first develop. However to the public a shower is just a shower and they wouldn't know if it was generated over the land or sea. So why not March, June or November showers? What I was getting at was is showery activity in April commoner than in other months? Col, if you assume that April shower is a meteorological term then your question is valid. However, I don't think it is such, but rather a folk saying. This article in Wikipedia may help to bring a bit of light here - https://en.wikipedia.org/wiki/April_shower. I think of it more of a 'folk saying' as you say. However even folk sayings have to originate somewhere and be based upon something. We don't talk of July showers after all, so why April ones? That article doesn't really make a lot of sense to be honest. It talks of the jet stream moving north in spring but still says this depressions will track across Ireland & Scotland, but isn't that the norm during winter anyway? -- Col Bolton, Lancashire 160m asl Snow videos: http://www.youtube.com/channel/UC3QvmL4UWBmHFMKWiwYm_gg |
#5
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Op zondag 2 april 2017 13:57:18 UTC+2 schreef Col:
On 02/04/2017 09:27, Metman2012 wrote: On 02/04/2017 08:42, Col wrote: ... So why not March, June or November showers? ... We don't talk of July showers after all, so why April ones? In Dutch-speaking Belgium and the Netherlands they are known as "maartse buien" (March showers). https://www.youtube.com/watch?v=ro1QSeMBJZA Colin Youngs Brussels |
#6
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On Monday, 3 April 2017 10:36:19 UTC+1, Colin Youngs wrote:
Op zondag 2 april 2017 13:57:18 UTC+2 schreef Col: On 02/04/2017 09:27, Metman2012 wrote: On 02/04/2017 08:42, Col wrote: ... So why not March, June or November showers? ... We don't talk of July showers after all, so why April ones? In Dutch-speaking Belgium and the Netherlands they are known as "maartse buien" (March showers). https://www.youtube.com/watch?v=ro1QSeMBJZA Colin Youngs Brussels An examples of the continentals being a month behind the UK? *)) |
#7
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On Tuesday, 4 April 2017 17:34:31 UTC+1, wrote:
On Monday, 3 April 2017 10:36:19 UTC+1, Colin Youngs wrote: Op zondag 2 april 2017 13:57:18 UTC+2 schreef Col: On 02/04/2017 09:27, Metman2012 wrote: On 02/04/2017 08:42, Col wrote: ... So why not March, June or November showers? ... We don't talk of July showers after all, so why April ones? In Dutch-speaking Belgium and the Netherlands they are known as "maartse buien" (March showers). https://www.youtube.com/watch?v=ro1QSeMBJZA Colin Youngs Brussels An examples of the continentals being a month behind the UK? *)) Or even a singular example! |
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