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morfius

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Posts posted by morfius

  1. Not sure if people are guessing for 80f or 25C.

    I'll say 25C on the 21st May at Charlwood

    80f is an imperialistic irrelevance to me

    Not really - IMO its a temperature at which you can truly say summer has arrived.

    Although this probably varies depending on where you live as temperatures can be up to 10C hotter in the south east than elsewhere.

  2. Hadley is on 9.7C to the 15th after yesterday came in at a warm 12.2C.

    For comparison, April 2007 was 10.1C at this point.

    Temperatures over the next week or so look to continue to be consistently above average. This month could well end up there as one of the warmest.

    The last 60 days have been rather mild too:

    15th Feb - 15th April: 7.7C (+1.7C)

    What is the warmest April?

  3. Actually the hottest I've ever felt was on a train in Madrid last summer when it was 34c but the heating was trapped on full power (used in winter when it's bitterly cold). It was literally like a moving sauna, I've never felt anything like it and it must have been very dangerous to the elderly etc.

    I can imagine the tube gets pretty bad in summer though - London's bad enough at any time of year in terms of rushing from place to place!

    They always seem to do that on the London buses - is it too much to ask for them to turn off the heating during mid summer!!

  4. With the human race altering ever increasing amounts of the Earth's surface, I have always wondered if the urban heat island effect could be affecting global temperatures.

    Take London as an example - on satellite photos it never fails to amaze me how massive the urban area actually is. The fact that we can see London from space shows just how significant it is. Now take all the other major urban areas, roads, and other man made surfaces, and you can see the big picture. Surely all of this across the entire planet acts as a massive central heating system, absorbing an increased amount of solar energy and radiating it out.

    Is it not conceivable that our altering of the planets surface is sufficient to have caused the rise in global temperatures?

    It would be interesting if someone could post figures of percentage land use across the U.K. - could someone calculate the percentage of the land area covered in tarmac/concrete?

    If my theory is in any way plausible, then perhaps global temperature could be correlated against world population or total developed land area.

    london-united-kingdom.jpg

  5. A cloudy and very mild evening here at 13c.

    The rain which was forecast here hasn't arrived and there isn't much on the radar :lol:

    It looks like we won't get any at all here in the south east, despite what this mornings forecast said.

    It seems that the rain has broken up in the HP and milder air.

  6. Whenever I see these maps, I always wonder how there could be so much ice off the eastern Danish coast - is this just a radar error or does all this ice actually exist.

    If so, how - I doubt it could have just formed there seeing as its not been particularly cold there.

    Or has it somehow drifted from the northern baltic?

    any ideas?

    N_daily_extent_hires.png

  7. It certainly has been very dry here - the ground has been rock solid for weeks, in fact, when the winds picked up earlier, there was a bit of a dust storm around here. The ground is now soaked after the heavier than expected showers.

  8. I'm hoping that we get very low rainfall totals from now until the end of summer so that any sunny weather will actually be hot (with the dry ground).

    A nice hot April would be welcome with perhaps the chance of a 30C in London (although I doubt that seeing as the record is 26 I think).

    To be honest i'd be happy if we had a 1030mb+ ridge of high pressure sitting over us for the next 6 months. I personally don't mind record breaking heat as it's certainly much nicer than a washout.

  9. It has been a day of contrast today:

    The first half of the day was mild and sunny with scattered clouds. After noon, the cloud quickly built up from the west and at around 2 it started raining and the wind picked up. Shortly after we had sleety rain/light snow which turned to very heavy hail 30 minutes later.

    .....and now..... back to sunny spells :wub:

  10. N_timeseries.png

    There appears to have been a sudden rapid loss of half a million square kilometres in the last few days - any reason for this/weather events?

    I think I heard something about record temperatures on the east Asian coast so perhaps these may have spread up to the Arctic to one of the areas where melting appears to have ocurred - between East Siberia and Alaska.

    The below map illustrates it best

    The main areas of break up appear to be:

    • West Hudson with a smaller break up in the southern area.
    • Southeastern coast of Victoria Island (possibly linked to Hudson)
    • The large bay North of Japan's north island (i don't know the name)
    • A N-S strip on the far east coast of Siberia
    • Newfoundland
    • A large area between Svalbard and Novaya Zemlya

    Note - The bold coloured line represents the average extent for the particular time of year.

    N_daily_extent_hires.png

    Just for a comparison, here is the state of the Arctic at the end of January.

    n_extn_hires.png

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