Which hurricane/tropical cyclone lasted the longest?
Hurricane/Typhoon John in the Pacific Ocean lasted from August 11, 1994, to September 10, 1994, a total of 31 days. The affected areas were the Hawaiian Islands, Johnson Atoll, and Alaska. Damages were about $15 million in 1994 US dollars. The storm's central pressure was recorded as 929 millibars, where normal atmospheric pressure is 1013 millibars. Maximum 10-minute sustained wind speeds were 155 kilometers per hour, about 100 miles per hour.
Source: NOAA and the WMO
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