The National Geographic Magazine, later shortened to National Geographic, is the official journal of the
National Geographic Society. It published its first issue in
1888, just nine months after the Society itself was founded. It has become one of the world's best-known
magazines and is immediately identifiable by the characteristic yellow border running around the edge of its cover.
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Nested Grid Model; one of the operational forecast models run at
NCEP . The NGM is run twice daily, with forecast output out to 48 hours.
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