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GFS 500mb Absolute Vorticity Map Unavailable
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About This Map

Absolute vorticity is the strength of rotation present at a given moment. Positive values represent counterclockwise rotation, and negative values represent clockwise rotation. Highly positive values often represent storm systems. On our weather maps, absolute vorticity is given in units of .00001 hertz.

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Map Status


Model Run Hour
GFS 00Z 384
GFS-HR 00Z 384
NAM 06Z 007
RAP 06Z 021
ECMWF 12Z 240
GEFS 00Z 216
CMC 00Z 240

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