Listing of cases (in YYYYMMDD format, with the date shown here being the start of the event)
Select a level/field
Click or hover mouse over a date to see the map (dates are listed as YYMMDD_HH, so that 791116_00 indicates 0000 UTC 16 November 1979). Left arrow for previous frame, right arrow for next, space to pause/play; click to open image in new tab
Do you want to make plots like these for your own cases of interest? Check out the code on Github.
Data obtained from the ECWMF Climate Data Store and plotted using tools from the Unidata Python training gallery.