Hurricane Melissa threatens Jamaica
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The storm is forecast to hit parts of the Caribbean with deadly flash floods and heavy rainfall.
Only 81 hurricanes have struck as Category 4 or higher since 1851, or about one every other year on average. A couple have crippled multiple points at that strength. Irma, in 2017, managed to hit five countries as a Category 4 or 5 — the most of any storm in the Atlantic.