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Terminal Moraine

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Posts posted by Terminal Moraine

    Worryingly Wet & Worryingly Sunless

    in Spring Weather Discussion

    Posted

     kold weather I can't speak for the rest of the country but in my own back yard the mean annual rainfall over the last 25 years is 15% higher than it was between 1964 and 1999. In the last 5 years ( 2019-2023 ) the mean annual rainfall of 1256 mm is higher than the individual wettest year between 1964 and 1999 ( 1229 mm in 1998 ). It's perhaps too early to say if this is a permanent change but it's certainly significant.

    • Like 1

    Daily weather observations - March 11th to March 17th

    in Spring Weather Discussion

    Posted

    Overnight rain cleared by 1000 and the afternoon was dry, apart from a few spots of showery rain around 1700, with sunny intervals.

    At 1800

     Temp; 10.1c

    Max today; 14.2c

    Min last night; 6.1c

    Grass min; 6.1c

    Rainfall from 0900-1800; 1.0 mm

     Sunshine today; 1.2 hrs

    Mean wind speed; 16 mph W/SW

    Highest gust today; 26 mph S at 0841

    1 okta Cu

    Vis; more than 50 miles

    Worryingly Wet & Worryingly Sunless

    in Spring Weather Discussion

    Posted · Edited by Terminal Moraine

    Those figures do seem too high. Perhaps it was an over liberal interpretation of what constituted a burn mark  on the Campbell Stokes sunshine recorder card.

    I remember reading many years ago of the competition for the highest sunshine totals between different seaside resorts and how this resulted in some observers measuring the faintest scorch mark on the sunshine card and including it in the total.

    Buxton recorded 1553 hours of sunshine in 1893, a figure not exceeded until 1995 ( 1635 hrs) so it was obviously a very sunny year. The totals for 1894 and 1895 were 1114 hrs and 1365 hrs respectively.  Kew recorded  1685 hours in 1893 so even allowing for Morecambe's seaside location it does seem a long stretch to reach 2526 hrs.

    Record annual sunshine totals are not easy to find, short of going through old volumes of the weekly weather report and adding up the weekly amounts, but somewhere around 2100 hours seems to be in the right area, ie Bognor Regis's total of 2066 hrs in 1933. I'd have thought with Morecambe's north westerly location around 1800 hrs would be the upper limit.

    Just found a bit more data relating to this. Between 1941 and 1970 the highest annual sunshine total at Morecambe was 1742 hrs, though it doesn't state which year. The highest annual totals I can find for this period are; Brighton 2068 hrs, Eastbourne 2153 hrs. Worthing2129 hrs, Ventnor; 2172 hrs; Sandown 2256 hrs;  Jersey 2291 hrs and Guernsey 2263 hrs.

    Is seems very unlikely that any year at Morecambe would record around 300 hrs more sunshine than the sunniest years on the south coast or the Channel Islands even allowing for the different time period.

    • Like 1

    Daily weather observations - March 11th to March 17th

    in Spring Weather Discussion

    Posted

    Moderate rain at first this morning became light by mid morning and then gave way to intermittent moderate drizzle from late morning onward. Thick fog until 1145.

    At 1800

     Temp; 10.7c

    Max today; 11.4c

    Min last night; 4.0c

    Grass min; 1.9c

    Rainfall from 0900-1800; 2.0 mm

     Sunshine today; 0.1 hrs

    Mean wind speed; 19 mph SW

    Highest gust today; 32 mph SW at 1705

    8 oktas St

     Vis; 8 miles

    Intermittent moderate drizzle

    Worryingly Wet & Worryingly Sunless

    in Spring Weather Discussion

    Posted

    After the second dullest February on record here ( since 2000) March has continued the very dull weather with just 12.9 hrs of sunshine in the first 10 days; the average is 32.2 hrs for the first 10 days.

    2005 was the dullest March on record with 46.6 hrs during the whole month and the first 10 days managed 25.4 hrs. 2023 was the second dullest with 48.3 hrs and the first 10 days were comparable with this year with 12.2 hrs recorded.

    • Like 2

    Earliest last frost

    in Spring Weather Discussion

    Posted

    In the 47 years I've been recording at this site the average date for the last frost in spring is April 13th. The earliest last frost was February 12th in 2014 but that was in a league of its own as there have been only 7 other years with a last frost in March.

    1980 on March 23rd, 1987 on March 29th, 1993 on March 27th, 2004 on March 13th, 2009 on March 29th, 2011 on March 8th and 2015 on March 26th.

    It should be borne in mind that living high on the east facing slopes of a moor this area is not prone to early or late frosts as in those situations where the valleys experience frosts due to nocturnal radiation all the cold air drains away to lower ground leaving it several degrees warmer here.

    • Like 4
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