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University of Wisconsin–Madison

Global Energetics plots from GFS model output

Updated for the 18z model run at
22:45 UTC 02/12/2026
(04:45 PM CST, Thu 02/12/2026)
Definitions of quantities in JAPE plots (PDF)
Global Jet Streaks and their Potential Vorticity
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Global Jet Streaks and their Inertial Frequency
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Ertel Potential Vorticity at 356K
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Ertel Potential Vorticity at 340K
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Absolute Inertial Frequency at 348K
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Absolute Inertial Frequency at 348K with Jet Streaks
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Absolute Rossby Radius of Deformation
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Cold Point Tropopause Temperature
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Brunt Vaisalla Frequency at 700 hPa
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Precipitable Water (mm)
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Precipitable Water (mm) with Jet Streaks
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Humidity Depth - Temperature of 40% RH over ice
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
JAPE at 356K
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Velocity Potential (CHI_vel)
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Momentum Potential (CHI_mom)
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Surface Based CAPE
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Surface Cover, SST(C))
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
Surface Temperature
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
850 hPa Temperature
HTML5 loop   00 UTC init   06 UTC init   12 UTC init   18 UTC init  
MP4 movie   00 UTC init   06 UTC init   12 UTC init   18 UTC init