add ims filtering step at end -- remove all ice not supported by most recent ims mask.
This is a change from previous, where, if an area hadn't been observed in N days, climatological ice was inserted for areas that IMS said were ice covered. N has been 4 in recent implementations.
add ims filtering step at end -- remove all ice not supported by most recent ims mask.
This is a change from previous, where, if an area hadn't been observed in N days, climatological ice was inserted for areas that IMS said were ice covered. N has been 4 in recent implementations.