Experimental NAM and GFS Banding Diagnostics

Note: The NAM output is hourly through 36hr and then 3-hourly thereafter.
Note2: The new GFS fields use spherepak routines for the geostrophic wind and will have far less topographic contamination compared to the NAM.

Please note that these products are experimental and not official forecasts.
For official forecasts in the U.S., please refer to the National Weather Service.

Newest run for each model in GREEN. Oldest run for each model in RED.


FieldModel
Run
USA Region
Saturated, Symmetrically Unstable Depth NAM 2021073000 NE SE NC SC NW SW
2021073006 NE SE NC SC NW SW
2021072812 NE SE NC SC NW SW
2021072918 NE SE NC SC NW SW
GFS 2021073000 NE SE NC SC NW SW
2021073006 NE SE NC SC NW SW
2021072912 NE SE NC SC NW SW
2021072918 NE SE NC SC NW SW
900-500mb Vertically averaged frontogenesis NAM 2021073000 NE SE NC SC NW SW
2021073006 NE SE NC SC NW SW
2021072812 NE SE NC SC NW SW
2021072918 NE SE NC SC NW SW
GFS 2021073000 NE SE NC SC NW SW
2021073006 NE SE NC SC NW SW
2021072912 NE SE NC SC NW SW
2021072918 NE SE NC SC NW SW
800-600mb Vertically averaged frontogenesis NAM 2021073000 NE SE NC SC NW SW
2021073006 NE SE NC SC NW SW
2021072812 NE SE NC SC NW SW
2021072918 NE SE NC SC NW SW
GFS 2021073000 NE SE NC SC NW SW
2021073006 NE SE NC SC NW SW
2021072912 NE SE NC SC NW SW
2021072918 NE SE NC SC NW SW

Archive of recent images.


Bob Hart, FSU
David Novak, WPC
Walt Drag, NWS PHI
Rich Grumm, NWS CTP

Last Updated: Fri Jul 30 11:00:01 UTC 2021