18th September 2012Clim. of the month, summer 20121 Climate of the month July-August 2012 Isabel Andreu-Burillo with the help of Virginie, Fabian, Mingu.

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Presentation transcript:

18th September 2012Clim. of the month, summer Climate of the month July-August 2012 Isabel Andreu-Burillo with the help of Virginie, Fabian, Mingu and Oriol CFU

18th September 2012Clim. of the month, summer This summer, in Barcelona

18th September 2012Clim. of the month, summer Summer 2012 in Barcelona

18th September 2012Clim. of the month, summer Summer 2012 in Barcelona

18th September 2012Clim. of the month, summer September 22 nd 14:49 UTC

18th September 2012Clim. of the month, summer Autumn 2012

18th September 2012Clim. of the month, summer Autumn 2012

18th September 2012Clim. of the month, summer Tropical Pacific

18th September 2012Clim. of the month, summer ENSO-neutral conditions continued during August

18th September 2012Clim. of the month, summer SST, August 2012

18th September 2012Clim. of the month, summer August 2012 Nino Nina

18th September 2012Clim. of the month, summer OLR

18th September 2012Clim. of the month, summer Change in regime?

18th September 2012Clim. of the month, summer Pacific Sea Level Pressure Nino Nina Nino Nina

18th September 2012Clim. of the month, summer Winds 2012 (CDAS/reanalysis) Easterly trade winds remained slightly enhanced over the west-central equatorial Pacific, slightly weaker than average across the east-central equatorial Pacific.  no clear atmospheric response to the positive SST anomalies. Enhanced convection across Indonesia =>the atmospheric circulation is not yet reflecting El Niño. Oceanic and atmospheric anomalies reflect ENSO- neutral conditions.

18th September 2012Clim. of the month, summer Niño 3

18th September 2012Clim. of the month, summer Niño 3.4

18th September 2012Clim. of the month, summer this month month’s anomalies

18th September 2012Clim. of the month, summer Some highlights

18th September 2012Clim. of the month, summer North Atlantic and Europe The 500-hPa circulation during August featured a continued negative phase (-1.4) of the NAO: persistent positive height anomalies over Greenland and negative height anomalies over the eastern North Atlantic.

18th September 2012Clim. of the month, summer Precipitation 2012 above-average precipitation over Great Britain, below- average precipitation in Southern Europe well above-average temperatures across southern Europe, anomalous warmth extending eastward into southwestern Russia

18th September 2012Clim. of the month, summer Precipitation 2012 Dipole of precipitation in South America. Very high temperature anomalies in Eastern South America.

18th September 2012Clim. of the month, summer

18th September 2012Clim. of the month, summer African Sahel

18th September 2012Clim. of the month, summer African Sahel Monsoon was again enhanced during August 2012:  well above-average precipitation across the African Sahel and Sudan regions. West African Monsoon area- averaged precipitation totals above-average since May. Overall, the west African monsoon system has been enhanced since 1995, in association with the warm phase of the Atlantic Multi- decadal Oscillation (AMO).

18th September 2012Clim. of the month, summer Antarctic O 3 hole

18th September 2012Clim. of the month, summer Antarctic Ozone hole By the end of August 2012, the ozone hole spanned only 4 million square kilometers, far smaller than the mean of 18 million square kilometers.

18th September 2012Clim. of the month, summer

18th September 2012Clim. of the month, summer right now….

18th September 2012Clim. of the month, summer

18th September 2012Clim. of the month, summer

18th September 2012Clim. of the month, summer Sources and Acknowledgements al/forecast/seasonal_range_forecasthttp:// al/forecast/seasonal_range_forecast mahttp:// ma %99s-revolution-around-sun/ %99s-revolution-around-sun/

18th September 2012Clim. of the month, summer Thank you!