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

Wei Shi - NOAA Federal wei.shi at noaa.gov
Mon Jun 5 16:38:28 UTC 2017

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


*African Monsoons:*

During the past seven days, above-average rainfall was observed over many
places in the Greater Horn of Africa.

Week-1 outlooks call for an increased chance for above-average rainfall
over much of Guinea, Sierra Leone, western Liberia, northwestern Cote
d'Ivoire, southern Mali, much of Burkina Faso, northern Ghana, western
Niger, northern Togo, northern Benin, and northwestern Nigeria. In
contrast, there is an increased chance for below-average rainfall over
eastern Liberia, southern Cote d'Ivoire, southern Ghana, southern Togo and
southern Benin, portions of DRC, western Uganda and Rwanda.

*Asian-Australian Monsoons:*

For the past 90 days, below normal rainfall deficits remain in general over
parts of Afghanistan, Pakistan, southcentral India, south Korea, Japan,
Papa New Guinea, and large parts of Australia. During same period, rainfall
excess is noted over northeastern India, Bangladesh, and many southeast
Asian countries. For the past 30 days near normal rainfall situation is
noted over India and Australia, but the longer term rainfall deficits
remain still remain over Australia. Deficits also remain over southern and
eastern China, South Korea, and Japan.

 In this past week, the observed rainfall amounts have generally been well
below normal over southern China and other South China Sea countries. The
summer SW monsoon has begun its onset over southern India, but its onward
progress last week was less than clear. In the next couple of weeks the
NCEP GFS model is predicting above normal rainfall over the coastal regions
of central India and parts of eastern China. Elsewhere, near to below
normal rainfall is forecast. There are no active tropical storms at this

*North American Monsoons:*

Above-average rainfall has been observed over southern Mexico during the
past week.

Rainfall accumulations over the past 30 days were near-average for
southwestern U.S. and northern Mexico, below-average for central Mexico,
and above-average over much of extreme southern Mexico.

NCEP/GFS Forecast calls for above-average precipitation for southern Mexico
during 05 – 11 June 2017.

*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
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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