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reef

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Posts posted by reef

  1.  Scorcher it's been rubbish here the last few days, max temps of 10.2C, 9.7C, 8.0C and 9.6C, little sunshine, showers and a persistent raw wind (apart from yesterday when it was calm).

    7 days of April left and we're already on 120% of normal rainfall, just 91 hours of sun and not a single clear day. Spring 2024 is making 2023 look good so far!

    • Like 3
  2. This was the warmest day of the summer here with a max of 29.5C. Unfortunately, the storms all missed us, it turned mostly cloudy in the evening from the cells to the west but we had nothing.

    The best storms of that summer were on 31st August - those were exceptional in this area.

    This was seen as a pretty decent summer at the time, but would now be the 5th coldest of all of the summers of the last 20 years. Things have changed a bit, its literally average on every metric compared to the 1991-2020 averages.

    • Like 1
  3.  B87 We ended up on 1682 hours and similarly, June was responsible for the biggest uplift as it was 62 hours above normal. Strangely, January was the second largest positive anomaly with 103 hours against the average of 61 hours.

     SunSeanI'd just do the corrections backwards, so the older figures are corrected to match the current automatic recorders!

    • Like 2
  4.  SunSean If I remember correctly its in the 6-11% range, with an average of around 10% - which was the initial correction applied, but it is a bit more specific now. Basically, the newer Kipp and Zonen automatic sensors have a standard WMO threshold of 120 Wm-2, but the older Campbell stokes manual recorders burned the measuring paper at anywhere from 106-285 Wm-2 (A. Kerr and R. Tabony: 'Comparison of sunshine recorded by Campbell-Stokes and automatic sensors' (Weather, April 2004, vol. 59,90-95).

    • Like 1
    • Insightful 1
  5. August and April have very similar daylight hours, so the potential is always there for them to be similar. I would argue the reason is that the Augusts of the 1989-2006 period were abnormally above trend just as Aprils recently have been.

    There are similar anomalies elsewhere. Here May is on average a sunnier month than June when June has longer days.

  6. I hadn't looked at the models for a couple of days and couldn't believe how poor it looked when I checked this morning. Its just constant easterlies with a trough to the south right out until May. Most days here don't get into double figures. It takes until 3rd May to hit 12C in fact. Not to mention it'll be raw, often wet and with little sunshine.

    Mild, wet and dull to cold, wet and dull. Not the change I would have asked for!

    • Like 1
  7. This Spring is far worse than 2023 in this neck of the woods. In Spring 2023 all of the three months were generally close to average for sunshine here, but this year has been abysmal. There have been NO clear days at all and it has rained most days. Spring 2023 had 39 days with >1.0mm of rainfall, but at the half way point, 2024 is already at 32 days. There have only been 8 days in fact when rain hasn't fallen since 1st March.

    It has just been relentlessly mild, wet, dull and windy. Now we've got to the middle of April it has changed to cold, wet, dull and windy.

    • Like 4
  8. Apart from the early-mid January blip we've had pretty much record mild weather since early December so it was always going to go below average at some point. It would however be nice if it didn't rain and was actually sunny. Both today and yesterday have had a strong wind and blustery showers.

    • Like 3
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