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NAM 3-hr Surface Snow Depth Change Map Unavailable
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About This Map

Snow depth is the amount of snow on the ground at a given moment. Snow depth change is the change in snow depth in a given period. Snowfall increases snow depth, causing snow depth change to be positive; and melting and compaction decrease snow depth, causing snow depth change to be negative. On our weather maps, snow depth and snow depth change are given in centimeters or inches.

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Map Status


Model Run Hour
GFS 06Z 222
GFS-HR 06Z 228
NAM 06Z 084
RAP 09Z 021
ECMWF 00Z 240
GEFS 00Z 384
CMC 00Z 240
ECMEPS 00Z 240

Latest News

2019-01-21: Added anomaly maps.