[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:*



Weekly rainfall surpluses exceeded 50mm over portions of southeastern
Ethiopia and Somalia. Above-average rainfall was also observed over
southeastern Mali, Ghana, Togo, Benin, and many parts of DRC, CAR and
western South Sudan.



Week-1 outlooks call for an increased chance for above-average rainfall
over northern Nigeria, eastern DRC, Ethiopia and northern Somalia. In
contrast, there is an increased chance for below-average rainfall over
northwestern Angola, and eastern South Sudan.





*Asian-Australian Monsoons:*



For the past 90 days, below normal rainfall deficits  dominated deep
southern coastal peninsular India, Korea, Japan, Thailand, Malaysia, the
Philippines, parts of New Guinea island of Indonesia and Papua New Guinea,
and almost all of Australia, particularly coastal north western regions.
Elsewhere, the rainfall amounts received were mixed. For the past 30 days
the rainfall amounts received were quite mixed, and particularly deficient
over southern China bordering Burma and eastward.



In this past week, over almost the whole region, the rainfall amounts
received were below normal. The summer southwest monsoon rainfall over
India is expected to begin its climatological onset over southwestern India
in the first week of June. Until then, it will be hot and dry across India.
For the next two weeks, the NCEP GFS model forecasts overall less rainfall
across the region.





*South American Monsoons:*



Long-term rainfall deficits are present over the western Brazilian Plateau.



During the last 7 days, below-average precipitation was observed over
portions of northern and southern Brazil, southern Chile, eastern Paraguay
and northeastern Peru.  Above-average precipitation was observed over
portions of central Brazil, Ecuador and Colombia.



For Days 1-7 (20 - 26 May 2019), below-average precipitation is predicted
over portions of northern and southern Brazil, Bolivia, northern and
southern Peru, eastern Colombia and southern Chile. Above-average
precipitation is predicted for portions of the extreme southern Brazil and
much of Uruguay, eastern Paraguay and central 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)
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   *
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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