nrgjeff Posted May 18, 2014 Share Posted May 18, 2014 Please read what I say regarding Type I and Type II errors. Dual pole does not give false TOR on the ground. It can miss TOR though. My 100% comment is in contrast to the old velocity TVS which could give false positive - Type I error. Everything else you say is right. Perhaps I should have written more clearly when I was lauding the improvements of dual pole. Cheers! Dual-pol still wouldn't be able to see a debris signature (if there even is one to begin with) when the storm is too far away unless the debris was lofted high enough to begin with which I believe you stated. However, if there is minimal to no signature even when echo was in optimal distance (e.g. open empty field), then how could dual-pol still 100% confirm a TOR? (yes i understand likely will see a nice couplet, but even then still doesn't confirm without ground truth). I'm not arguing your chasers spotting 200 yards away, or that we still needs spotters... only the assumption that a radar can indicate, 100% that there is a tornado. Link to comment Share on other sites More sharing options...
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