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WikiPedia: Bão John (1994) http://www.accuweather.com/en/weather-news/rare-na... http://news.google.com/newspapers?id=VTcTAAAAIBAJ&... http://www.aoml.noaa.gov/hrd/hurdat/tracks-hurdat2... http://www.aoml.noaa.gov/hrd/tcfaq/E6.html http://www.aoml.noaa.gov/hrd/tcfaq/E7.html http://www1.ncdc.noaa.gov/pub/orders/IPS/IPS-53E37... http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wweven... http://www.cpc.ncep.noaa.gov/products/analysis_mon... http://www.nhc.noaa.gov/archive/storm_wallets/epac... http://www.nhc.noaa.gov/archive/storm_wallets/epac...