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Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    I have decided to use todays average winter CET of 4.5C and compare it against winter CET's since 1660.

    I will class the winters into several catergories, these are:

    Severe - 3C or less

    Cold - 3C to 4C

    Average - 4C to 5C

    Mild - 5C to 6C

    Hot - 5C or above

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    The results from the 17th centuary are:

    1660 - 2C - Severe

    1661 - 5C - Mild

    1662 - 5.7C - Mild

    1663 - 1.7C - Severe

    1664 - 4.7C - Average

    1665 - 2C - Severe

    1666 - 3.7C - Cold

    1667 - 2.3C - Severe

    1668 - 4.3C - Average

    1669 - 3.3C - Cold

    1670 - 2C - Severe

    1671 - 3.5C - Cold

    1672 - 2.3C - Severe

    1673 - 3.7C - Cold

    1674 - 2.5C - Severe

    1675 - 2.8C - Severe

    1676 - 5C - Mild

    1677 - 2C - Severe

    1678 - 1.8C - Severe

    1679 - 1C - Severe

    1680 - 3.2C - Cold

    1681 - 1C - Severe

    1682 - 3.7C - Cold

    1683 - 3.8C - Cold

    1684 - -1.2C - Severe

    1685 - 2.7C - Severe

    1686 - 6.2C - Warm

    1687 - 4.7C - Average

    1688 - 3.7C - Cold

    1689 - 2.7C - Severe

    1690 - 4.3C - Average

    1691 - 2.2C - Severe

    1692 - 1.8C - Severe

    1693 - 3.8C - Cold

    1694 - 2.7C - Severe

    1695 - 0.7C - Severe

    1696 - 4.7C - Average

    1697 - 1.3C - Severe

    1698 - 1C - Severe

    1699 - 3.4C - Cold

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    The results from the 18th centuary are:

    1700 - 3.3C - Cold

    1701 - 3.2C - Cold

    1702 - 5.1C - Mild

    1703 - 3.5C - Cold

    1704 - 3.5C - Cold

    1705 - 3.4C - Cold

    1706 - 3.8C - Cold

    1707 - 4.1C - Average

    1708 - 4.5C - Average

    1709 - 1.2C - Severe

    1710 - 3.2C - Cold

    1711 - 4.8C - Average

    1712 - 3.8C - Cold

    1713 - 4.2C - Average

    1714 - 4.5C - Average

    1715 - 4.3C - Average

    1716 - 0.8C - Severe

    1717 - 3.3C - Cold

    1718 - 3.2C - Cold

    1719 - 3.8C - Cold

    1720 - 4C - Average

    1721 - 3.8C - Cold

    1722 - 4.5C - Average

    1723 - 3.1C - Average

    1724 - 5.2C - Mild

    1725 - 3.7C - Cold

    1726 - 3.1C - Average

    1727 - 3.7C - Average

    1728 - 3.3C - Average

    1729 - 1.7C - Severe

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    The results from the 20th century are:

    1950 - 5.1C - Mild

    1951 - 2.9C - Severe

    1952 - 3.9C - Cold

    1953 - 3.5C - Cold

    1954 - 4.1C - Average

    1955 - 3.5C - Cold

    1956 - 2.9C - Severe

    1957 - 5.5C - Mild

    1958 - 4.2C - Average

    1959 - 3.6C - Cold

    1960 - 4.6C - Average

    1961 - 4.9C - Average

    1962 - 3.6C - Cold

    1963 - -0.3C - Severe

    1964 - 3.5C - Cold

    1965 - 3.3C - Cold

    1966 - 4.4C - Average

    1967 - 5.1C - Mild

    1968 - 3.5C - Cold

    1969 - 3.2C - Cold

    1970 - 3.3C - Cold

    1971 - 4.4C - Average

    1972 - 4.9C - Average

    1973 - 4.9C - Average

    1974 - 3.7C - Cold

    1975 - 6.4C - Warm

    1976 - 5.2C - Mild

    1977 - 3.3C - Cold

    1978 - 4.1C - Average

    1979 - 1.6C - Severe

    1980 - 4.6C - Average

    1981 - 4.5C - Average

    1982 - 2.6C - Severe

    1983 - 4.3C - Average

    1984 - 4.2C - Average

    1985 - 2.7C - Severe

    1986 - 2.2C - Severe

    1987 - 3.5C - Cold

    1988 - 5.3C - Mild

    1989 - 6.5C - Warm

    1990 - 6.2C - Warm

    1991 - 3C - Cold

    1992 - 4.6C - Average

    1993 - 4.7C - Average

    1994 - 4.7C - Average

    1995 - 5.9C - Mild

    1996 - 3C - Cold

    1997 - 4C - Average

    1998 - 6.1C - Warm

    1999 - 5.4C - Mild

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    Posted
  • Location: Canterbury, Kent
  • Location: Canterbury, Kent

    What months do you define your winter CET averages? I

    I take it you don't do December because if you did the 1963 CET for example would be 1962/63

    WBSH

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    Posted
  • Location: Lincoln, Lincolnshire
  • Weather Preferences: Sunshine, convective precipitation, snow, thunderstorms, "episodic" months.
  • Location: Lincoln, Lincolnshire

    The figures suggest to me that December to February is indeed being used. Winter 1962-63, for example, is defined as winter 1963.

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    Yes, i use the CET figures from December to Februrary.

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    Posted
  • Location: Calgary, Canada (1230m asl)
  • Weather Preferences: Wind driven falling snow
  • Location: Calgary, Canada (1230m asl)

    As a comparison, I'll do you a winter series for Scotland from 1914-present. But not tonight!!!!

    Interesting reading though summer bliz. ta!!!

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    Posted
  • Location: Back in Edmonton Alberta(via Chelmsford, Exeter & Calgary)
  • Location: Back in Edmonton Alberta(via Chelmsford, Exeter & Calgary)

    i think the way you have classified those winters are misleading.

    should be:

    6c and over = very mild

    5c-6c = mild

    4-5c = average

    3-4c = rather cold

    2-3c = cold

    below 2c = severe

    plus the average for 1971-2000 which i assuming you are using would certainly not been average pre 20th century and would have been classed as mild..IMO.

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    Yes, i use the average CET of 4.5C so i can compare how cold past winters were, as opposed to this one, and i have no choice but to classify anything less than 3C as severe as the official definition of a severe winter is a winter with a CET of less than 3C.

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    Posted
  • Location: Back in Edmonton Alberta(via Chelmsford, Exeter & Calgary)
  • Location: Back in Edmonton Alberta(via Chelmsford, Exeter & Calgary)

    i dont agree about the definition of a severe winter...simply because the defintion of a severe winter month is one with a cet of below 2c..therefore by your thinking you could have severe winter winter with no severe months in it!

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    Posted
  • Location: Skirlaugh, East Yorkshire
  • Location: Skirlaugh, East Yorkshire

    Hmm, I was always under the impression that the metoffice defined a severe winter as 3°C below average and not an actual value of 3°C.

    The metoffice also use the 1961-1990 average still, which makes a 3°C CET winter being severe unlikely as the "average" is only 4.20°C.

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    If the Met Office definition of a sever winter was a winter with a CET which was 3C below the 1961-1990 average of 4.2C, then the winter of 1979 would not have been classed as sever because that had a CET of 1.6C.

    I am correct.

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    Posted
  • Location: Back in Edmonton Alberta(via Chelmsford, Exeter & Calgary)
  • Location: Back in Edmonton Alberta(via Chelmsford, Exeter & Calgary)

    can u please post a link to a site that has the met office defintion of a severe winter of a cet below 3c at the moment i am having trouble located one?

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    I found it out in a weather dictionary which one of my friends had a few years ago, can't remember what it was called.

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    • 4 weeks later...
    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    Here are the CET's of the winters during the first fifty years of the 20th centuary.

    1900 - 3.1C - Cold

    1901 - 4.3C - Average

    1902 - 3.2C - Cold

    1903 - 5.3C - Mild

    1904 - 3.6C - Cold

    1905 - 4.2C - Average

    1906 - 4.4C - Average

    1907 - 3.1C - Cold

    1908 - 4.1C - Average

    1909 - 3.4C - Cold

    1910 - 4.2C - Average

    1911 - 5C - Mild

    1912 - 5.1C - Mild

    1913 - 5.3C - Mild

    1914 - 5.2C - Mild

    1915 - 4.3C - Average

    1916 - 5.5C - Mild

    1917 - 1.5C - Severe

    1918 - 4.2C - Average

    1919 - 3.9C - Cold

    1920 - 5.6C - Mild

    1921 - 5.4C - Mild

    1922 - 4.9C - Average

    1923 - 5.7C - Mild

    1924 - 3.9C - Cold

    1925 - 5.8C - Mild

    1926 - 4.5C - Average

    1927 - 4.2C - Average

    1928 - 4.3C - Average

    1929 - 1.7C - Severe

    1930 - 4.6C - Average

    1931 - 3.8C - Cold

    1932 - 4.8C - Average

    1933 - 4.1C - Average

    1934 - 3.2C - Cold

    1935 - 6.1C - Hot

    1936 - 3C - Cold

    1937 - 5.4C - Mild

    1938 - 4.6C - Average

    1939 - 4.7C - Average

    1940 - 1.5C - Severe

    1941 - 2.6C - Severe

    1942 - 2.2C - Severe

    1943 - 5.9C - Mild

    1944 - 4.3C - Average

    1945 - 3.7C - Cold

    1946 - 4.5C - Average

    1947 - 1.1C - Severe

    1948 - 5.4C - Mild

    1949 - 5.6C - Mild

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    • 9 months later...
    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    It turns out that everybody else is right, the official definition of a severe winter is a winter with a CET 3C below average therefore, a winter must have an average CET of 1.5C or less in order to be categorised as severe.

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    Posted
  • Location: .
  • Location: .
    I found it out in a weather dictionary which one of my friends had a few years ago, can't remember what it was called.

    The Met Office link is here:

    http://www.metoffice.com/weather/europe/uk/guide.html

    However, I presume those definitions refer to daily temps rather than seasonal averages? Or perhaps they do. I think we should probably try to stick to official designations from organisations such as the Met Office rather than esoteric sources. I don't think 'severe' is in their metereological designation. 'Well below' is about as far as it goes I think?

    Edited by West is Best
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    • 1 year later...
    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    Just reading through, i had forgotten about this thread, and i think i will do the rest of the winter CET averages that i have missed out, in the future i may also do the same for different seasons, i will also update the definitions.

    Also reading through, i am suprised at how arrogant i came across in the early stages of this thread.

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