U.S. forecasters issued a hurricane warning for Jamaica Saturday as Storm Melissa reached hurricane strength, threatening catastrophic flooding in the northern Caribbean.

The Observatory (HKO) will raise the T3 storm signal at 5.20pm on Monday, with Tropical Storm Fengshen set to pass south of the territory. “Under the combined effect of Fengshen and the monsoon, rain will be more frequent at times tomorrow and early on Wednesday,