This map shows the highest average steady wind speed anticipated at an elevation of thirty feet above ground level within an historical 40 year period. Flagpole ratings are shown in the charts as flagged and unflagged along with wind gust at 1.3 factor. Flagpole damage can occur when flying oversized flags and banners or flying flags in higher winds than recommended. Select a city from the drop-down list and click to download a PDF:
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