Latitude
Release height (m)
Release date (Julian)
Atmospheric lifetime (days)
Linear color scaling Log color scaling
Latitudes go from 0 degrees at Greenwich, to 180 at the dateline, then continue to 360 in the Western hemisphere. For example, Gary, Indiana is about lat. 271 and longt. 40, L.A. is 240 and 32, and Chernobyl is 30, 47
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