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 Total Solar Eclipse of 2017 August 21
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Some official sources, for example NASA and USNO, certify, or at least let you think, that the path of totality for this total solar eclipse will only pass through 12 or 13 states: this is inaccurate at best. Indeed this eclipse path crosses 14 states:
Oregon Flag Idaho Flag Montana Flag Wyoming Flag Nebraska Flag Kansas Flag Iowa Flag Missouri Flag Illinois Flag Kentucky Flag Tennessee Flag Georgia Flag North Carolina Flag South Carolina Flag
In general the sky is clearer to the West of the eclipse track where the air is drier, that is Oregon, Idaho, Wyoming and Nebraska. It is important to also have in mind the time of the eclipse at your planned location because the cloudiness is usually not the same in the morning or afternoon hours.

 
Page "Introduction" |  Page "Where to Go" |  Page "Unequivocal Totality" |  Page "Eclipse" |  Page "Google Map" |  This is page "Weather" |  Page "Totality Duration" |  Page "Fact-checking"
Watching for the weather forecasts intently in the days before the eclipse is key to success if you stay mobile. Here is a short list of websites you could be interested in:
- El Dorado Weather
- SkippySky USA
- The Weather Channel

Morning and afternoon mean cloud covers in August over the 2004-2016 timeframe

It is very clear that the western part of the central eclipse path has the best sky overall and that the cloudiness tends to increase during the day over the moutainuous or more humid areas.
2017 Eclipse Average Cloud Cover Morning Afternoon

Which gives along the centerline the following graph.
2017 Eclipse Track Centerline Cloudiness AM PM


Page "Introduction" |  Page "Where to Go" |  Page "Unequivocal Totality" |  Page "Eclipse" |  Page "Google Map" |  This is page "Weather" |  Page "Totality Duration" |  Page "Fact-checking"

Last page update on January 10, 2016.
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