[Ncep.list.emc.monsoondesk] Weekly Updates of Global Monsoon Systems

Wei Shi - NOAA Federal wei.shi at noaa.gov
Mon Apr 25 15:24:56 UTC 2016

The weekly PowerPoint presentations summarizing the recent variability of
the global monsoon systems have been updated on the CPC Global Monsoons


*African Monsoons (AFMS.ppt):*

Suppressed rainfall prevailed across many places in the Gulf of Guinea
countries, whereas above-average rainfall was observed over much of
Tanzania and portions of Kenya.

Week-1 outlook calls for an increased chance for below-average rainfall
over much of Nigeria, and portions of Benin and northern Cameroon. In
contrast, there is an increased chance for above-average rainfall over many
parts of Ethiopia, northwestern Kenya, Uganda, Rwanda, Burundi, and eastern

*Asian-Australian Monsoons (AAMS.ppt):*

For the past 90 days rainfall amounts are showing minor deficits across
southern India, and major deficits over large parts of Australia and
southeast Asian countries such as Thailand, Laos, and Cambodia, the
Philippines and eastern Papua New Guinea.  However, northeastern India,
coastal southeastern China and many parts of Indonesia received much above
normal rainfall. For the past 30 days the rainfall situation was deficient
over the Philippines islands, Thailand, Laos, Cambodia,  northwestern and
southeastern Australia. The exception is over northeastern India,
southeastern China, and parts of Indonesia.

In this past week, rainfall was more than normal over northeastern India
and vicinity, southeastern China and slightly interior areas. Weekly
rainfall is deficient elsewhere in the region and as we move into northern
spring, rainfall is slowly and completely moving away from Australia. In
the next couple of weeks the NCEP GFS model is predicting slightly above
normal rainfall over extreme southern peninsular India, northern India and
eastern China. Elsewhere below normal rainfall is predicted over
southeastern Asian countries.

*South American Monsoons (SAMS.ppt):*

Long-term rainfall deficits continue over the Amazon Basin and central
Brazil. The rainy season has ended over central Brazil.

During the last 7 days (18-24 April 2016), below-average precipitation was
observed over most of Brazil south of the equator.  Above-average
precipitation was observed over Uruguay, northeastern Argentina, eastern
Colombia, Venezuela, Guyana, Suriname and French Guiana.

For 25 April-1 May 2016, above-average precipitation is predicted for
northern South America, and below-average precipitation is predicted for
the Amazon Basin, south of the equator.

*For questions or comments, please contact:

Endalkachew.Bekele at noaa.gov (for the African monsoons)

Muthuvel.Chelliah at noaa.gov (for Asian-Australian monsoons)

Vernon.Kousky at noaa.gov (for South American monsoons)

Wei.Shi at noaa.gov  (for North American monsoon update and for general issues
about the CPC Global Monsoons products)
Wei Shi, Ph.D
Climate Prediction Center/NCEP/NWS/NOAA
NCWCP  Room 3116
5830 University Research Court
College Park, MD 20740
Phone: (301) 683-3440
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