La Nina, which
tends to occur unpredictably every two to seven years, is a
weather pattern characterized by unusually cold temperatures in
the equatorial Pacific Ocean.
The outlook is in line with a U.S. government weather forecast,
which said last month that weak La Nina conditions were present
but favored to dissipate in the coming months.
(Reporting by Yuka Obayashi; Editing by Joseph Radford)
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