A tightening of the rain-bands associated with Wilma, and its resumption of a westward and then north-westward forward motion, resulted in fewer showers over Jamaica and the discontinuation of the Flash Flood Warning for the island at 5:00 p.m. Status with maximum sustained winds of an unprecedented 280 km/h. on October 19 as the hurricane exploded into Category 5 Rapid intensification of Wilma took place during the twelve hours between 5:00 p.m. The intensity of showers, although showing a slight decrease over eastern and some northern parishes, persisted across the island. During this time, there was an erratic southward movement of the system as it developed into a Tropical Storm on the morning of October 17, and into a Category 1 hurricane on the morning of October 18. The slow movement of the system, combined with the extent of its outer bands, maintained a blanket of rainfall over the island for the next two days. The centre was located about 140 km southwest of Montego Bay, or 90 km southwest of Negril Point, Jamaica. on October 15, the low-pressure system was classified as the season’s 24th Tropical Depression with wind speeds reaching over 45 km/h. A Flash Flood Warning was issued at 5:00 a.m. All parishes throughout the island were also experiencing shower activity, which was concentrated over the western two-thirds of the country. By then, a broad area of moderate to heavy showers were observed to be scattered over offshore areas of the island’s southern coast and appeared to be moving towards the west-northwest. on Octoand upgraded to a Flash Flood Watch by noon that day.
A Severe Weather Alert was issued for all parishes at 7:00 a.m. Upper-level conditions had become more conducive for tropical cyclone development at this time, and the local Doppler radar was beginning to detect an increase in showers over sections of the island, starting with north-central and north-eastern parishes. Wilma approached Jamaica as a cluster of disturbed weather early in October, and wasĭefined as an area of low-pressure near Jamaica by the end of the second week of the month.
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