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View Poll Results: Pick one
15-30 March (never happened) 0 0%
1-15 April 0 0%
16-30 April 3 5.45%
1-15 May 6 10.91%
16-31 May 14 25.45%
1-15 June 14 25.45%
16 June or later 18 32.73%
Voters: 55. You may not vote on this poll

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Old 06-14-2015, 06:20 AM
 
1,011 posts, read 715,560 times
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Quote:
Originally Posted by B87 View Post
Landing over London from the east. Low density suburban areas around the airport.


Landing from the west. Fields and reservoirs.


Hardly a huge UHI.
Saw my old house go past in that second video At 1:27.
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Old 06-14-2015, 06:51 AM
 
Location: Portsmouth, UK
13,483 posts, read 9,024,194 times
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Quote:
Originally Posted by Botev1912 View Post
Everything has to be consistent. For example, someone from LA could use downtown data for their high temperatures in the summer because they are the warmest, but use the low temperatures for their airport because they are the warmest. Guess what, it doesn't work that way.
If the thread was started by stating that Heathrow would be used then fair enough, but it wasn't. The thread stated "London", which is a big place, so surely any official Met Office weather station in London should count & anyone saying otherwise is being extremely pedantic & ridiculous...

Just because other countries around the world may only use Heathrow data for London stats, why should UK posters not use the others London stations, which are widely stated in the UK & used for data, stats & will be used on weather broadcasts on TV too. Some of these other weather stations are actually in central London too & are far more representative than an airport station situated in the outer ranges of what is classified as "London"...
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Old 06-14-2015, 08:39 AM
BMI
 
Location: Ontario
7,454 posts, read 7,270,554 times
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Quote:
Originally Posted by flamingGalah! View Post
If the thread was started by stating that Heathrow would be used then fair enough, but it wasn't. The thread stated "London", which is a big place, so surely any official Met Office weather station in London should count & anyone saying otherwise is being extremely pedantic & ridiculous...

Just because other countries around the world may only use Heathrow data for London stats, why should UK posters not use the others London stations, which are widely stated in the UK & used for data, stats & will be used on weather broadcasts on TV too. Some of these other weather stations are actually in central London too & are far more representative than an airport station situated in the outer ranges of what is classified as "London"...
I agree.

Though, as mentioned before, UHI factor is mainly milder lows, not warmer highs.

I personally think Heathrow weather/climate stats generally represent London well.
If there was an official weather station say at Piccadilly Circus the average highs would almost
identical to Heathrow with average lows about a degree warmer, not much different.
Who knows, maybe the summer highs might even be slightly lower
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Old 06-14-2015, 02:13 PM
 
Location: Castlederp
9,264 posts, read 7,407,199 times
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Quote:
Originally Posted by BMI View Post
I agree.

Though, as mentioned before, UHI factor is mainly milder lows, not warmer highs.

I personally think Heathrow weather/climate stats generally represent London well.
If there was an official weather station say at Piccadilly Circus the average highs would almost
identical to Heathrow with average lows about a degree warmer, not much different.
Who knows, maybe the summer highs might even be slightly lower
Well I agree with the highs, it is the lows that become warmer.

As I said earlier, someone calculated the averages for London WC from 1990-2010 and it averages 9C/5C in January and 24C/16C in July, so lows about 2C warmer than Heathrow
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Old 06-14-2015, 05:59 PM
 
Location: Mid Atlantic USA
12,623 posts, read 13,924,830 times
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Quote:
Originally Posted by chicagogeorge View Post
I was in London for a few days 15 years ago. I don't remember much about the layout of the city to be honest. I was there for a wedding before we made our way to Greece.

Looks like Heathrow may not see an 80 until the end of June or early July?
C'mon you really believe 14 day forecasts. They can't get it right 5 days out let alone 14.
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Old 06-14-2015, 06:33 PM
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Location: Western Massachusetts
45,983 posts, read 53,467,780 times
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Quote:
Originally Posted by tom77falcons View Post
C'mon you really believe 14 day forecasts. They can't get it right 5 days out let alone 14.
The ten day forecast often turns ok, or at least gets the general pattern. Though not always. 14 days is too much. Really I only trust the first seven days, with the next three just a "hint".
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Old 06-14-2015, 06:36 PM
 
29,513 posts, read 19,612,482 times
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Quote:
Originally Posted by tom77falcons View Post
C'mon you really believe 14 day forecasts. They can't get it right 5 days out let alone 14.
True a lot can change, but 7-10 days like nei said are usually pretty accurate overall.
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Old 06-15-2015, 02:12 AM
 
Location: White House, TN
6,486 posts, read 6,182,229 times
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Per WeatherSpark - as of 15 June 2015, about 9 am GMT. Data for all of 2015 so far.

London City Airport - Max of 77 F / 25 C on 15 April and 5 June. No 80 F / 27 C yet.
London Heathrow - Max of 77 F / 25 C on 12 June. No 80 yet.
London Biggin Hill - Max of 73 F / 23 C on 15 April and 5 June. No 80 yet. Data is not 24 hour (typically about 07:00 - 21:00)
Northolt - Max of 77 F / 25 C on 12 June. No 80 yet.

These are the four stations that WeatherSpark has data for inside the M25 corridor, which roughly encircles Greater London.

Outside the M25 corridor, but still (relatively) close to London.

London Gatwick - Max of 75 F / 24 C on 15 April and 12 June. No 80 yet.
London Stansted - Max of 75 F / 24 C on 12 June. No 80 yet.
London Luton - Max of 75 F / 24 C on 12 June. No 80 yet.

London Southend (about 20 mi outside the M25 corridor and some 40 mi from London's city center) HAS hit 80: 81 F / 27 C on 5 June. This is the only location anywhere near London I could find with an 80+ F reading. In fact it may be the only one in England.

So there's the data. If you cherry-pick the warmest location, London HAS hit 80 F / 27 C. Draw your own conclusions from the data. In my personal opinion London hasn't hit 80 yet, because none of the stations inside the M25 corridor have hit 80 yet.
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Old 06-15-2015, 03:58 AM
 
Location: Munich, Germany
1,761 posts, read 1,684,861 times
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Quote:
Originally Posted by wawa1992 View Post
Per WeatherSpark - as of 15 June 2015, about 9 am GMT. Data for all of 2015 so far.

London City Airport - Max of 77 F / 25 C on 15 April and 5 June. No 80 F / 27 C yet.
London Heathrow - Max of 77 F / 25 C on 12 June. No 80 yet.
London Biggin Hill - Max of 73 F / 23 C on 15 April and 5 June. No 80 yet. Data is not 24 hour (typically about 07:00 - 21:00)
Northolt - Max of 77 F / 25 C on 12 June. No 80 yet.

These are the four stations that WeatherSpark has data for inside the M25 corridor, which roughly encircles Greater London.

Outside the M25 corridor, but still (relatively) close to London.

London Gatwick - Max of 75 F / 24 C on 15 April and 12 June. No 80 yet.
London Stansted - Max of 75 F / 24 C on 12 June. No 80 yet.
London Luton - Max of 75 F / 24 C on 12 June. No 80 yet.

London Southend (about 20 mi outside the M25 corridor and some 40 mi from London's city center) HAS hit 80: 81 F / 27 C on 5 June. This is the only location anywhere near London I could find with an 80+ F reading. In fact it may be the only one in England.

So there's the data. If you cherry-pick the warmest location, London HAS hit 80 F / 27 C. Draw your own conclusions from the data. In my personal opinion London hasn't hit 80 yet, because none of the stations inside the M25 corridor have hit 80 yet.
Isn't Kew Gardens in the M25 corridor?
It has hit 80°F.
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Old 06-15-2015, 04:55 AM
 
Location: Portsmouth, UK
13,483 posts, read 9,024,194 times
Reputation: 3924
Quote:
Originally Posted by wawa1992 View Post
Per WeatherSpark - as of 15 June 2015, about 9 am GMT. Data for all of 2015 so far.

London City Airport - Max of 77 F / 25 C on 15 April and 5 June. No 80 F / 27 C yet.
London Heathrow - Max of 77 F / 25 C on 12 June. No 80 yet.
London Biggin Hill - Max of 73 F / 23 C on 15 April and 5 June. No 80 yet. Data is not 24 hour (typically about 07:00 - 21:00)
Northolt - Max of 77 F / 25 C on 12 June. No 80 yet.

These are the four stations that WeatherSpark has data for inside the M25 corridor, which roughly encircles Greater London.

Outside the M25 corridor, but still (relatively) close to London.

London Gatwick - Max of 75 F / 24 C on 15 April and 12 June. No 80 yet.
London Stansted - Max of 75 F / 24 C on 12 June. No 80 yet.
London Luton - Max of 75 F / 24 C on 12 June. No 80 yet.

London Southend (about 20 mi outside the M25 corridor and some 40 mi from London's city center) HAS hit 80: 81 F / 27 C on 5 June. This is the only location anywhere near London I could find with an 80+ F reading. In fact it may be the only one in England.

So there's the data. If you cherry-pick the warmest location, London HAS hit 80 F / 27 C. Draw your own conclusions from the data. In my personal opinion London hasn't hit 80 yet, because none of the stations inside the M25 corridor have hit 80 yet.
Kew Gardens, which IS an OFFICIAL MET OFFICE weather station, well inside of the M25 & in LONDON HAS hit 80F (80.2F to be precise)


What is so hard for people to understand about this & it is NOT cherry picking FFS as it IS in London...
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