Seasonal outlook is issued during the first week of June.
NAIS forecasts are generated during the months of July through
December of each year, to cover Eastern and Western North America plus
Hudson Bay. Forecasts are rendered either as graphical images or as text,
possibly with graphics embedded.
Note: The date in the filename indicates the
last day for which that forecast is valid.
If the form does not update automatically when you
change the year or forecast format, click the
"Update" button to force an update.