| Satellite view of Hurricane Melissa this morning The pinpoint eye is a sure sign of an incredibly' intense hurricane that will hit Jamaica. |
Those very warm waters are fueling Melissa's strength and the hurricane's strength won't change all that much before the eye reaches Jamaica Tuesday morning.
The advice from the National Hurricane Center to Jamaicans was harsh:
"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 this evening, leading to extensive infrastructural damage, long-lasting power and communication outages, and isolated communities. Life-threatening storm surge and damaging waves are expected along the southern coast through Tuesday."
This will be the strongest, worst hurricane on record for Jamaica. Despite its hurricane-prone location in the western Caribbean, Jamaica has never been hit by a Category 4 or 5 hurricane, though several hurricanes have affected the island.
The worst hurricane in Jamaica until now was Hurricane Gilbert in 1988. That high end Category 3 storm killed 45 people and caused $700 million in damage.
This hurricane is the third this year to achieve Category 5 in the Atlantic this year. Only 2005 had more such monsters.
Hurricane Melissa might or might not be Category 5 when it makes landfall in Jamaica. Intense hurricanes usually re-adjust the circle of intense thunderstorms and winds around the eye, and those readjustments can sometimes briefly and slightly weaken a hurricane.
So Melissa could end up being a Category 4 by the time it reaches Jamaica. If that happens, top winds would be 130 to 156 mph, not the 160 mph Melissa carried this morning. But if Melissa weakens ever so slightly, it won't matter.
As the National Hurricane Center noted this morning: "Both categories can produce catastrophic wind damage. In addition, winds in the mountains of Jamaica are likely to be higher than the winds at sea level, and are likely to add to the seriousness of the situation."
Tropical storm conditions are hitting Jamaica already. Webcams this morning showed gusty winds and rough surf in Kingston's harbor and in other areas.
They've already had bursts of torrential rain, and that will continue with increasing intensity well into tomorrow. Flooding is already ongoing, and the landslides and floods will become catastrophic.
As I noted yesterday, I don't know what will happen to people who are in their safe space, only for a landslide to destroy it. How will they move to another safe place in winds of more than 100 mph with debris flying through the air.
The worst winds will come within a 30 to 50 mile radius on Jamaica, which is roughly 150 miles wide and 50 miles long. It looks like the worst effects of Melissa will hit the western and maybe central parts of the island.
So parts of Jamaica will thankfully miss the worst of the winds, at least in low elevations, but all of Jamaica will suffer through the floods. Up to three and a half feet of rain is likely in some parts of Jamaica.
The Jamaican coastline, at least parts of it, can expect a storm surge of nine to 13 feet. That's potentially high enough to flood the nation's main airport in the capitol, Kingston.
AFTER JAMAICA
Part of the destructive force of Hurricane Melissa is the fact that it is moving forward so slowly. That would prolong the destructive force of the rain and winds.
Once Hurricane Melissa gets past Jamaica, it will slowly start to weaken, and pick up forward speed. But it will still be a major hurricane by the time it reaches eastern Cuba early Wednesday, with expected winds of 120 mph. Melissa will then move on into the southeastern Bahamas later Wednesday or early Thursday.
By Friday, Melissa will be racing northeastward near Bermuda, then it will finally die in the North Atlantic.
While Melissa is far out in the Atlantic Ocean, an unrelated nor'easter will be developing along the East Coast. That nor'easter might siphon deep moisture from Hurricane Melissa and make the rain especially heavy along parts of the East Coast.
It's unclear if that for sure will happen, and if so, where. Up here in Vermont, the nor'easter will very likely bring us some badly needed rain, but so far it looks like the really heavy rain might avoid the Green Mountain State.
Meanwhile, back in the Caribbean, Haiti and the Dominican Republic won't be directly hit by Hurricane Melissa. But it's close enough to have dumped a lot of rain on those countries and will continue to do so.
Horrific flooding will continue there for the next couple days. There have already been at least three deaths in Haiti because of the heavy rain and flooding.

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