Lettucing Gutted
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Posts posted by Lettucing Gutted
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I am not an expect on the subject of SSTs but I find very interesting the cooler waters surrounding the nino region. The negative anomaly off the coast of Panama looks impressively intense!
Hopefully all those cooler waters will limit the effects of el nino.
Karyo
Its also great that the mid latitude North Pacific still has a -ve PDO profile with relatively warm waters near Asia and cold waters near North America which will also help keep El Nino in check in addition to making the Polar Front Jetstream more amplified.
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The last month to be 2C below average Ukmoose was May 1996 with a CET of of only 9.1C.
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10.5C
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Hi fozi999 according to http://www.cru.uea.ac.uk/cru/climon/data/tgrid/1962 the sst anomalies in November 1962 led to a very negative NAO in the very cold winter 1962-1963. Crucially both November 1962 and winter 1962-1963 featured a near average high lattitude North Atlantic combined with very warm +1-2C anomalies in the central mid latitude North Atlantic offset by very cold -1-2.5 anomalies in the western and eastern 3rds of the mid latitude North Atlantic. There was also cold -1C anomalies in the north sea surrounding the UK.
The atmospheric response to the near average High Latitude North Atlantic and the cold Greenland and northern Europe areas was a deep blocking high.
The atmospheric response to the cold western mid latitude North Atlantic-warm Central mid latitude North Atlantic-cold Eastern mid latitude north Atlantic was a western trough-central ridge-eastern trough pattern in the mid latitude North Atlantic. Crucially the the upper level trough and cold temperatures in the eastern mid latitude North Atlantic extended into the Mediterranean and western Europe.
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First Ground Frost - 24.9.2009
First Snow Fall - 26.2.2010
First Air Frost - 5.11.2009
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I'm sure many below average Junes, Julys & Augusts will have delivered considerably better weather by most peoples standards than the last 3 years!
Dave
Mr Data I wonder how many cool summers have had above average sunshine?
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I wonder how close to the Equator sub 10C maximum temperatures have been recorded at sea level locations in high summer? I suspect it would probably be a close toss between northern New England in North America which has the cold Labrador current washing its shores, or coastal eastern Siberia in Asia by the cold Sea of Okhotsk or southern Patagonia in South America surrounded by the cold Southern Ocean.
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Strange how they say our climate will become drier and hotter in summer, the opposite seems to be the case in recent years!
Our summers might be getting wetter but that doesn't mean they'll be getting colder. Indeed this July will be the six consecutive month above the 1961-1990 average this year. there hasn't been any particular cool maximum temperatures or even cool minimum temperatures this July so far! Since 1993 the only summers to have a seasonal CET even slightly below the 1961-1990 average were the summers of 1998 and 2007 both at 15.2C.
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Cold all year round for me. i hate heat mush whether its summer or winter.
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Global warming is back business as usual. 20C for July 2009
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15.5C for May 2009
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This April is certainly shaping up to be a turn up for the books, don't think anyone really foresaw the mildness it has delivered, coming on the back of the record April 2007, can it really become the second warmest April on the record- it would be quite unprecedented to have two such months in the space of two years...
It isnt unprecedented for August and October. The top 2 warmest Augusts were both in the mid 1990s:-
1) August 1995 19.2C CET
2) August 1997 18.9C CET
The top 3 warmest Octobers have occured in the 6 years from 2001 to 2006:-
1) October 2001 13.3C CET
2) October 2005 13.1C CET
3) October 2006 13C CET
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The first half of the month was actually very warm with a mean CET temperature of 9.3c, 2c-3c above normal (warmest until 2007 which came in at 10.1c) Second half was the coldest of the 20th century with an average of 6.2c 2c-3c below normal, so actual mean temperature for the month was fractionally above or below, depending on location.
Second half was over 3c colder then the first half.
I wonder if that is the biggest cool down between the 1st and 2nd C.E.T halves in April on recored?
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What is the highest near surface air temperature that can allow hail to accumulate as a cover on the ground?
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11.5C
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What is the latest ever date that a final warming event has occured in the Stratosphere?
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My birthday 14/7/86 was a hot day within the cold summer of 1986 - http://www.wetterzentrale.de/pics/archive/...00119860714.gif
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10C CET for March 2009
December CET
in Spring Weather Discussion
Posted
This year could see the biggest November to December cool down since 1995.