Controls

Loop ReVerse


Speed

Frame:

Zoom
See for Keyboard Shortcuts
Multiple Variables


Back to Maps

1000 hPa height (solid contours every 3 dam), 850–500 hPa mean ascent (dashed contours every 0.1 Pa s-1 starting at -0.1 Pa s-1), and Laplacian of vertical motion term (C) on RHS of Petterssen Development equation (shaded in x10-9 s-2).
CMC GDPS analyses and forecasts on .6x.6 latitude-longitude grid are smoothed with a 9-point local smoother run 80 times.