Geobulletin alpha

Strong ocean plume action may be ending 

 Still no sign of an ocean current map.  The last week or two has been characterized by strong Pacific plumes coming over NA.  This gives us nice dry fall weather.  A far cry from the summer pattern of Arctic cold blobs meeting Gulf hot blobs right over Toronto.  That was a lot of rain.However, the Atlantic Ocean has shot its load like it always does, and we are relying on the Pacific,

It Happened 8 Thousand Years Ago... 

 It Happened 8 Thousand Years Ago... About 8 thousand years ago things got a lot cooler - 3.3°C cooler. It got cooler because the surface waters of the North Atlantic became fresher - and less heavy. Because they are less dense they cannot sink. If they don't sink warmer waters cannot come northwards to replace them. And so northern Europe suffers from a cold Atlantic and temperatures drop. And you get a drought. The technical term for this is "a perturbation of the Atlantic Meridional [...]