Friday 18 July 2014

Will skies be clear Friday night over southern Ontario?
It looks like some high cirrus-level cloudiness will be over southern Ontario during the evening (shown below on the forecast chart for jetstream-level moisture), followed by increasing mid to high-level cloudiness during the night. During the evening, skies may appear mostly clear in some regions (especially northernmost regions, furthest from the thicker moisture layers). An extra complication is forest fire smoke plumes above southern Ontario during Friday that may add some haziness and cause reduced transparency, but not appear as cloud in the night sky.


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