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In the Atlantic, the area between 10°N and 20°N spawns the most hurricanes in a given season because of the warmer temperatures. Hurricanes do not form outside this range because nearer to the equator the Coriolis effect is not strong enough to create the tight circulation needed, and farther north the temperatures are too cool. [ 5 ]
Maps show the areas impacted by storm surge, rainfall levels and more as Helene, once a major hurricane and now a tropical storm, moves inland from Florida's Gulf Coast over Georgia.
The West Pacific is the most active and the north Indian the least active. An average of 86 tropical cyclones of tropical storm intensity form annually worldwide, with 47 reaching hurricane/typhoon strength, and 20 becoming intense tropical cyclones, super typhoons, or major hurricanes (at least of Category 3 intensity). [1]
The few intense hurricanes in November include the Cuba hurricane in late October and early November 1932 (the strongest November hurricane on record, peaking as a Category 5 hurricane), Hurricane Lenny in mid-November 1999, and Hurricane Kate in late November 1985, which was the latest major hurricane formation on record until Hurricane Otto ...
Hurricane season peaks on Sept. 10, with the vast majority of the biggest storms — Category 3 or higher — historically appearing within a week or two of that date.
The most intense hurricane on record is Wilma in 2005, with a minimum central pressure of 882 millibars, followed by Gilbert in 1988, the Labor Day hurricane of 1935, and Rita in 2005.
Because hurricane preparedness activities become difficult once winds reach tropical storm force, the hurricane watch and warnings are issued in advance of the anticipated onset of tropical-storm-force winds, rather than in advance of the anticipated onset of hurricane-force winds. [7]
• Hurricanes occur regularly in every basin except the South Atlantic and southeast Pacific, where wind shear, or winds that vary in strength or direction with altitude and disrupt tropical ...