NUKEMAP 2.5 is now live: 1. you can now have live, local weather data ported in for fallout settings, and 2. KMZ export to Google Earth.pic.twitter.com/FEcCRYHdE2
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You will probably have to make some tweaks to the yield.
I just picked something "conservative" (150 kt) and put a question mark after it. :-) Will update as more info made available.
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