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GFS Precipitable Water Map Unavailable

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About This Map

Precipitable water is the amount of precipitation that would fall if all of the water vapor in the troposphere at a given moment were to condense and precipitate. High precipitable water values often indicate that flooding may occur if rain is forecast. On our weather maps, precipitable water is given in millimeters or inches.

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Map Status

Model Run Hour
GFS 18Z 384
GFS-HR 18Z 384
NAM 00Z 084
RAP 02Z 009
ECMWF 12Z 240
GEFS 18Z 384
CMC 12Z 240
ECMEPS 12Z 240

Latest News

2018-12-04: Changed snowfall algorithm to be more accurate.