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

Wei Shi - NOAA Federal wei.shi at noaa.gov
Mon Jun 27 15:58:40 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:*

Weekly rainfall surpluses exceeded 100mm over western Guinea-Conakry and
local areas in Sierra Leone, whereas suppressed rainfall prevailed over
southern Ghana, Benin and Nigeria.

Week-1 outlooks call for an increased chance for above-average rainfall
over much of Guinea-Conakry, Sierra Leone, western Liberia, southwestern
Mali, portions of Nigeria and southern Niger, Cameroon, Equatorial Guinea,
southern Chad, parts of northern CAR, western Sudan and western Ethiopia.
In contrast, there is an increased chance for below-average rainfall over
eastern Liberia, Cote d’Ivoire, southern Ghana, southern Togo, southern
Benin and southwestern Nigeria.

*Asian-Australian Monsoons:*

For the past 90 days rainfall amounts are showing deficits to various
extents over large parts of central, northern and western  India, and large
deficits over southeast Asian countries such as Thailand, Laos, Vietnam,
and Cambodia, and the Philippines.  However, northeastern India, Burma,
coastal southeastern China and many parts of Indonesia received near normal
to above normal rainfall. For the past 30 days the rainfall situation was
deficient across central India, Thailand, Laos, Cambodia, the Philippines
islands, parts of New Guinea and sporadically across central and
southeastern China. Elsewhere, rainfall was at near normal or above normal

In this past week, monsoon rainfall is generally deficient across  India
except along the coastal western Ghats and over much deficient over entire
southeastern China.  According to the India Met. Dept. (IMD), for the first
twenty two days of June, the monsoon rainfall has been deficient by 18 %
across the country.  In the next couple of weeks the NCEP GFS model is
predicting above normal rainfall across parts of central and northern India
and northern sections of southeastern China, but below normal rainfall to
the south of this region.

*North American Monsoons:*

Slightly above-average rainfall has been observed over northwestern Mexico
during the past week, while drier-than-average conditions were experienced
across central and southern Mexico.

Rainfall accumulations over the past 30 days were below-average over
central and southern Mexico.

NCEP/GFS Forecasts call for above-average rainfall over southwestern U.S.
/northwestern Mexico for the next two weeks.

*South American Monsoons:*

The annual summary for the 2015-2016 South American Monsoon wet season is
available on the CPC website at:


*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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