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| Description: Tornado watch To alert the public to the possibility of tornadoes Issued when the conditions are favorable Covers 65,000 square km (25,000 square miles) Tornado warning is issued when a tornado is sighted or is indicated by weather radar Use of Doppler radar helps increase the accuracy by detecting the air motion Picture Stats: Views: 400 Filesize: 1.39MB Height: 675 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39833 |