No, I'm not missing anything. Weather is weather and occurs in the troposphere..very little effect on HF propagation. The fallout particles are below the Ionosphere and therefore don't affect it!
Originally Posted by KC2UGV
Again, you are arguing the wrong side of facts that were proven 60 years ago in open air tests. Live on-air radio checks showed that HF blackouts typically last a few minutes to less than an hour.
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