What are high density winds on radar, what do the flag symbols represent, and

melissa

New member
how are they measured? I've always wanted to be a meteorologist but never had the chance nor the funds to become one but I still love weather. I was looking at the NOAA Satellite images and you can bring up the high density winds and it shows I believe three different strength categories and these flags. If you can try to explain to me in plain terms what they mean? As far as the Flag symbols, I know they point out the direction of the winds, but why do some have one, two or three flags?
 
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