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Optimus Prime

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Optimus Prime last won the day on August 31 2011

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  1. Be honest, did anyone ever expect the possibility of a December 2015? I wouldn't had thought so this side of 2040
  2. Shall we also question the North American and Canadian records that have recently been obliterated? One of the reasons behind these temperatures are the insanely high sea surface temperatures present in Western Britain. Currently 4 or 5 degrees above normal.
  3. Better to look at data at a more granular level but then where do you stop? By hour, by minute (if available) but it's a really good point. Thanks for raising that one.
  4. 1989 was a great summer. Also included 1963 (reference period 1931 - 1960) certainly a poor summer overall with August being particularly cool (18.1 °C, equal with 1985 but nowhere near as bad as 1986's 17.4 °C). Interestingly, the warm June's of the 60's were just 0.1 °C cooler than August's of the same period in terms of mean maximum.. June 1960 maximum was outstandingly warm, last time we had one warmer was 1976. Interestingly, the period 1931 - 1960 was warmer (by day), drier and sunnier than the period 1951 - 1980 in terms of the summer.
  5. Table showing average maximum, rainfall and sunshine for June, July and August against the 1951-80 avg Clearly 1985 is the worst.
  6. With a CET minimum of 10.9 °C for June, the first half of the year averages 3.9 °C. Coldest first half since 2013 (3.3 °C) There have been only 8 years since 1980 that were colder; 1986 3.0 °C 1985 3.0 °C 2013 3.3 °C 2010 3.5 °C 1987 3.5 °C 1984 3.6 °C 1996 3.7 °C 1991 3.7 °C
  7. Mean minima is currently running at 11.6 °C (+2.4 °C) Maxima - 21.3 °C (+2.9 °C) The Highest maximum - 1976 (22.6 °C) Highest minimum - 2017 (11.6 °C) Certainly a chance of both those being broken this year. June 2013 recorded 13.6 °C so was a pretty cool month overall.
  8. Detailed analysis of the weather experienced in the 1700's.
  9. Up until the 1990's, the 1730's was the warmest decade in the Central England Temperature series. It measures 9.85 °C compared to 9.25 °C for the 1701 - 1730 reference period. The sharpest increase in warming was measured in January (4.5 °C vs 3.1 °C , +1.4 °C rise against 1701 - 1730). November showed the lowest level of warming at +0.1 °C (6.5 °c vs 6.4 °C). The warmest month relative to average is January 1733 at 6.9 °C (+3.8 °C). The warmest month registers 18.3 °C in July, also in 1733; 1733 is the warmest year of that decade at 10.5 °C. Looking at the temperature series, 1733 was to be the warmest year until 1834 when 10.51 °C would be recorded (and subsequently equaled in 1922). It would then take until 1959 to finally exceed this (10.52 °C) That period compares quite well to the 1990's where the decadal average comes in at 10.1 °C. The decade of the 1730's is 0.6 °C above its 30 year average reference period. Comparatively, the current warmest decade (2000 - 2009) is 0.61 °C warmer than it's reference period (1971-2000). The preceding decade was exceptionally cold; the 1740's averaged 8.86 °C or broadly equivalent to 2010. The warming spike of that decade can be clearly seen on the Met Office annual anomaly chart; The rolling 10-year average for the 1730's is actually a little higher than the next warmest decade, the 1940's (prior to the 1990's) Some interesting information can be found here; Britain's Little Ice Age: When Was It And What Happened? WWW.HISTORYEXTRA.COM The Thames turned to ice, gales flattened communities, and famine killed peasants in their thousands. Brian Fagan describes the climatic calamities that beset Britain from the 14th to 19th centuries as it shivered...
  10. Major heat setting in once again over the crucial region of siberia.
  11. The sea track distance between the continent and the UK land mass isn't anywhere near wide enough for it to be modified very much anyway. It really is a non issue if winds are directly from the south as that will eliminate clouds forming as a result of convection. Also, sea temperatures respond reasonably quickly to reduced turbulence and heating.
  12. A selection of chilly spring mean minimum temperatures; (2021 - Assuming May has a theoretical average of 5.4 °C); thus the anomaly for 2021 (minimum) -1.7 °C below the most recent rolling 30 year average. Decadal averages since the 1880's Pronounced warming trend since the late 1800's.
  13. WMO advises this as a baseline
  14. Technically, with the mean minimum being by a decent stretch, the coldest on record, it's comparable to all of the other years that hold the top spot (1963, 1895, 1986, 2010 etc...) Should be mentioned that the mean maxima is bang on the average for the 61-90 ref period, but considerably below the most recent 30 year comparison.
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