National Weather Service on Instagram: "Oct 27, 8am EDT update on #Melissa from the National Hurricane Center: Jamaica: Do not venture out of your safe shelter. Catastrophic and life-threatening flash flooding and numerous landslides are likely today through Tuesday. Destructive winds, especially in the mountains, will begin by this evening, leading to extensive infrastructural damage, long-lasting power and communication outages, and isolated communities. Life-threatening storm surge and damagi