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Climate of the month July-August 2012. Isabel Andreu-Burillo with the help of Virginie, Fabian, Mingu and Oriol CFU. This summer, in Barcelona. Summer 2012 in Barcelona. Summer 2012 in Barcelona. September 22 nd 2012 @ 14:49 UTC. - PowerPoint PPT Presentation
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18th September 2012 Clim. of the month, summer 2012 1
Climate of the monthJuly-August 2012
Isabel Andreu-Burillo
with the help of Virginie, Fabian, Mingu and Oriol
CFU
18th September 2012 Clim. of the month, summer 2012 2
This summer, in Barcelona
18th September 2012 Clim. of the month, summer 2012 3
Summer 2012 in Barcelona
18th September 2012 Clim. of the month, summer 2012 4
Summer 2012 in Barcelona
18th September 2012 Clim. of the month, summer 2012 5
http://assignmentportals.com/2012/08/06/earth%E2%80%99s-revolution-around-sun/
September 22nd 2012 @14:49 UTC
18th September 2012 Clim. of the month, summer 2012 6
Autumn 2012
18th September 2012 Clim. of the month, summer 2012 7
Autumn 2012
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Tropical Pacific
18th September 2012 Clim. of the month, summer 2012 9
ENSO-neutral conditions continued during August 2012
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18th September 2012 Clim. of the month, summer 2012 10
SST, August 2012
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August 2012
Nino
Nina
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Change in regime?
18th September 2012 Clim. of the month, summer 2012 14
Pacific Sea Level Pressure
Nino
Nina
Nino
Nina
18th September 2012 Clim. of the month, summer 2012 15Winds 2012 (CDAS/reanalysis) 1981-2010
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.
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Niño 3
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Niño 3.4
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Some highlights
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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.
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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
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Precipitation 2012
Dipole of precipitation in South America.
Very high temperature anomalies in Eastern South America.
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African Sahel
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African SahelMonsoon 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 2012 Clim. of the month, summer 2012 26
Antarctic O3 hole
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Antarctic Ozone hole
By the end of August 2012, the ozone hole spanned only 4 million square kilometers, far smaller than the 2002-2011 mean of 18 million square kilometers.
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right now….
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Sources and Acknowledgements
• http://www.cpc.ncep.noaa.gov/products/CDB/index.shtml• http://www.ecmwf.int/products/forecasts/d/charts/season
al/forecast/seasonal_range_forecast• http://iridl.ldeo.columbia.edu/maproom/.ENSO/• http://www.nhc.noaa.gov/gtwo_atl.shtml• http://www.prh.noaa.gov/hnl/cphc/• http://www.aemet.es/es/serviciosclimaticos/vigilancia_cli
ma• http://assignmentportals.com/2012/08/06/earth%E2%80
%99s-revolution-around-sun/
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Thank you!
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