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View Poll Results: Which feels more wintry
London 18 48.65%
Richmond 19 51.35%
Voters: 37. You may not vote on this poll

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Old 08-08-2013, 08:42 AM
 
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Quote:
Originally Posted by B87 View Post
20-25cm? Maybe in record years. The Met Office don't even produce snow average depth for the UK, only days with snow falling.

London gets 4 days per year with snow falling, and another 12 of sleet.
It doesn't prove or disprove anything.

Quote:
Here is the average wind speed for Heathrow. Richmond averages 8-9mph in winter, and 6-7mph in summer.
Given the conversion 1 knot = 1,15 mph, London is slightly windier than Richmond during winter.
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Old 08-08-2013, 08:45 AM
B87 B87 started this thread
 
Location: Surrey/London
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Quote:
Originally Posted by Troms View Post
It doesn't prove or disprove anything.


Given the conversion 1 knots = 1,5 mph, London is slightly windier during winter.
That is an incorrect conversion. London's wind speed in winter is around 7kts, which is 8.1 mph.

Richmond's wind speeds are on this sheet, near the bottom of the page.
http://www.sercc.com/climateinfo/his...l/avgwind.html

London only saw 20-25cm of snow in a few years in the entire 20th century. December 1981 saw the deepest snow in London in the 20th century, 25-30cm in some suburbs. Even in that massive snowfall a few years ago, the maximum depth was 20cm in hilly areas.
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Old 08-08-2013, 08:50 AM
 
Location: North West Northern Ireland.
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Quote:
Originally Posted by B87 View Post
That is an incorrect conversion. London's wind speed in winter is around 7kts, which is 8.1 mph.

Richmond's wind speeds are on this sheet, near the bottom of the page.
Average Wind Speed (mph) for Selected Cities in the Southeast | Welcome - Southeast Regional Climate Center

London only saw 20-25cm of snow in a few years in the entire 20th century. December 1981 saw the deepest snow in London in the 20th century, 25-30cm in some suburbs. Even in that massive snowfall a few years ago, the maximum depth was 20cm in hilly areas.
I think maybe he means from January to January.
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Old 08-08-2013, 08:52 AM
B87 B87 started this thread
 
Location: Surrey/London
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Quote:
Originally Posted by Mac15 View Post
I think maybe he means from January to January.
But the annual snowfall in London is only around 5cm/2" in an average winter. It doesn't stick around for very long either, usually melts same day or the next day.
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Old 08-08-2013, 08:55 AM
 
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Quote:
Originally Posted by B87 View Post
That is an incorrect conversion. London's wind speed in winter is around 7kts, which is 8.1 mph.

Richmond's wind speeds are on this sheet, near the bottom of the page.
Average Wind Speed (mph) for Selected Cities in the Southeast | Welcome - Southeast Regional Climate Center
Is this a reliable source? However, judging from the graph the average wind speed in London during winter is closer to 8 than to 7kts.

Quote:
London only saw 20-25cm of snow in a few years in the entire 20th century. December 1981 saw the deepest snow in London in the 20th century, 25-30cm in some suburbs. Even in that massive snowfall a few years ago, the maximum depth was 20cm in hilly areas.
I'm not talking about snow depth, I'm talking about snowfall. They can be very different even if little amounts of snow fall.
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Old 08-08-2013, 08:55 AM
 
Location: North West Northern Ireland.
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Quote:
Originally Posted by B87 View Post
But the annual snowfall in London is only around 5cm/2" in an average winter. It doesn't stick around for very long either, usually melts same day or the next day.
Where did you get that from?

Mines must be at least 10cm.
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Old 08-08-2013, 08:59 AM
B87 B87 started this thread
 
Location: Surrey/London
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Quote:
Originally Posted by Troms View Post
Is this a reliable source? However, judging from the graph the average wind speed in London during winter is closer to 8 than to 7kts.


I'm not talking about snow depth, I'm talking about snowfall. They can be very different even if little amounts of snow fall.
It looks like they got the data from the NOAA.

January looks to be somewhere around 7.5kts, but the rest of the year the wind speeds are lower in London.

The Met Office don't keep a record of average snow depths, only days with snow falling/lying. Most snow in London melts as soon as it hits the ground so it's impossible to measure the depth. When it does stick (usually only once a year), it is on average between 2-8cm deep.
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Old 08-08-2013, 09:01 AM
 
Location: Mid Atlantic USA
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I don't think it is as cut and dry as temps. The sunshine and solar angle would be a lot higher in Richmond in winter, and during the day would feel less wintry. In the mornings, Richmond would feel more wintry. In Dec and Feb I would go with London being more wintry due to the 40's temps and damp chilly feeling with low sunshine hours. In January, particularly cold mornings, I would say Richmond would feel more wintry.
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Old 08-08-2013, 09:02 AM
 
287 posts, read 448,566 times
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Quote:
Originally Posted by B87 View Post
January looks to be somewhere around 7.5kts, but the rest of the year the wind speeds are lower in London.
We are talking about winter here, and February and December's average wind speed looks just like January's average wind speed.

Quote:
The Met Office don't keep a record of average snow depths, only days with snow falling/lying. Most snow in London melts as soon as it hits the ground so it's impossible to measure the depth. When it does stick (usually only once a year), it is on average between 2-8cm deep.
In Rome the depth is always measured when it snows. Snow measurements are not made on the streets, but on a rain gauge.
Moreover, Rome's average approach 5 cm in its northern outskirts. If you look at the snowfalls history, you would say it isn't more than 1-2 cm. Maybe the average snowfall in Central London is lower than 15 cm given the urban heat island, but the urban area certainly gets more.
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Old 08-08-2013, 09:07 AM
 
Location: New York
11,326 posts, read 20,331,120 times
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Quote:
Originally Posted by MeteoMan View Post
Oh really? So I am not "allowed" to "insult" anybody (as you perceived it, I didn't call anybody names), but YOU ARE?

Yes, you are a total hypocrite. Look it up.

And now, what happens between you and me, happens between you and me.

You DO NOT bleat on about people insulting others only to go on and do the same thing yourself, especially when I did not insult you. One day you will learn this lesson. Or one day somebody will just have enough of you pretending to be all righteous and intrusive and smack you in the mouth.
You seriously need to chill out and stop derailing this thread.
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