[NLRS] RE: [Mw] Great Lakes Propagation

[W0ZQ@aol.com]

I know that during our excellent propagation across Lake Superior that the 
weather buoy that was located pretty close to mid path indicated that its air 
temperature and its dew point were both 65 degrees F and that the lake 
temperature (at the surface) was also 65 degrees F.   At the same time "inland" was 
setting new high temperature records in the mid 90's.   This same hot air must 
have been laying over the Lake at elevation.   I think that its classic tropo 
ducting with warm "drier" air over cooler moist air where the coolness and 
wetness is provided by the lake.   I would speculate that this propagation mode is 
not uncommon in July and August over the Great Lakes, perhaps especially Lake 
Superior as its the coldest of the Great Lakes.    

Its all speculation on my part, but the propagation was amazing.

73, Jon
W0ZQ


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