NGM definitions

Ngm

1) Nested grid model
Found on https://www.crosswordclues.com/clue/ngm

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ngm

Nested Grid Model generated every 12 hours by NCEP.
Found on http://ggweather.com/glossary.htm

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NGM

acronym: Nested Grid Model
Found on https://www.encyclo.co.uk/local/20002

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