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

[Wei Shi - NOAA Federal]

The weekly PowerPoint presentations summarizing the recent variability of
the global monsoon systems have been updated on the CPC Global Monsoons
website:
http://www.cpc.ncep.noaa.gov/products/Global_Monsoons/Global-Monsoon.shtml

*HIGHLIGHTS:*



*African Monsoons:*



Another week of heavy rainfall sustained moisture surpluses over much of
Tanzania, parts of northern Mozambique and Madagascar. In contrast,
suppressed rainfall prevailed over much of Southern Africa.



Week-1 outlooks call for an increased chance for above-average rainfall
over western and northern Angola, southern DRC, parts of northern Zambia,
northern Malawi, and much of Tanzania. In contrast, there is an increased
chance for below-average rainfall over southeastern Angola, southern
Zambia, Namibia, Botswana, portions of South Africa, Zimbabwe, southern
Malawi, southern Mozambique, and southern Madagascar.



*Asian-Australian Monsoons:*



For the past 90 days, below normal rainfall deficits remain in general over
much of central and southern India, South Korea, Papua New Guinea,
Cambodia, and parts of central and northern Australia. Elsewhere else the
monsoon rainfall is at normal to above normal levels. For the past 30 days,
rainfall amounts were generally at near or slightly above normal levels
across the region, except over Papua New Guinea northern and northeastern
Australia where the rainfall deficits are severe. Slight deficits are also
noted over southeastern coast of India.





In this past week, northwest Australia received good rainfall and the
rainfall amounts were significantly below normal over Sumatra island of
Indonesia, and northeastern Australia.  In the upcoming two weeks, the NCEP
GFS model predicts above normal rainfall over southeastern China, below
normal rainfall over parts of Australia, and mixed rainfall pattern
elsewhere.





*South American Monsoons:*



Long-term rainfall deficits are present over the Amazon Basin and the
Brazilian Plateau.



During the last 7 days, below-average precipitation was observed over much
of Brazil, northern Argentina, Uruguay and southern Chile.  Above-average
precipitation was observed over portions of southern Brazil, northern
Bolivia, northern Peru and much of Colombia.



For Days 1-7 (15 - 21 Jan 2018), below-average precipitation is predicted
over much of Brazil, Uruguay, northern Argentina and southern Chile.
Above-average precipitation is predicted for portions of southern Brazil,
southern Paraguay, northern and southern Peru, eastern Ecuador and southern
Colombia.





*For questions or comments, please contact:


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

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

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