Category 4 Hurricane Dorian gets stronger with devastating 140 mph winds
The computer forecast models continue to give confusing signals about where Hurricane Dorian is going to impact the Florida coast. But a very strong hurricane – Category 4 plus or minus – is still forecast to impact the state.
In the 11 p.m. advisory, Dorian has winds of 140 miles per hour and is moving west-northwest at 10 mph.
The computer forecast models and the official National Hurricane Center forecast show Hurricane Dorian slowing down significantly as it approaches Florida. The afternoon models still show a wide range of possibilities for the evolution of the weather pattern over Florida, and how it will steer the hurricane. The main take-away is that the hurricane is expected to move very slowly when it gets to the vicinity of Florida.
This slow movement has a lot of bad ramifications: Storm surge at the coast and in bays and rivers will be higher because the storm has more time to pile up water. This on top of the King Tides, which already are a foot or more higher than normal water levels. In addition, the flooding threat from heavy rain is drastically enhanced, as with Hurricane Florence last year. About a foot of rain is the current forecast, but that is subject to change.
There is high confidence that Dorian is going to eventually turn to the north. The unknown is where that turn will take place. The National Center Forecast shows the turn happening over or very near the Florida peninsula in South Florida.
For your scheduling, the "Time to Be Ready" is now set for Saturday overnight, so with the current forecast, all day Saturday would be available for preparing.
Hurricane Dorian is reorganizing temporarily, but significant intensification is still expected to continue soon. It's currently about 800 miles from Miami.
The forecast is fairly straightforward for the next couple of days. The storm is very likely to move northwest until it bumps into a strong, blocking high pressure area. That high will deflect it to the west in the direction of Florida. In addition, Dorian will grow in size on its trek west.
There are no obvious large-scale impediments in Dorian's path. Upper-level winds are generally favorable for strengthening and the ocean water is very warm, especially when it gets near Florida.
People in the Northwestern and Central Bahamas – especially on Grand Bahama and Abaco – should stay in close touch with local instructions and forecasts. Hurricane Watches will be issued for parts of the Bahamas Sunday.
As Dorian approaches Florida, the influence of the blocking high, which is driving it west, will begin to diminish. This is expected to slow the forward progress of the storm meaning a strong, slow-moving hurricane is expected to be in the vicinity of Florida late in the holiday weekend. There is also the possibility of Dorian essentially stalling near or over the state.
Do not focus on the points in the center of the National Hurricane Center cone. Reliable computer forecast models show Dorian coming to South Florida, and others show it much farther north.
In most scenarios, much of Florida will feel significant affects from the storm, and areas outside of the current cone to the north will likely feel effects as well.
The bottom line is that everybody in Florida needs a plan now. Quick action will be required Friday or over the weekend on the current schedule. Here are a few immediate things you can do, while you get ready to execute your hurricane plan.
- Fill Ziploc-type plastic bags ¾ full of water and stuff them in every corner of your freezer. You want them to freeze while you have electricity. It might take a couple of days for them to freeze. Nothing is lost if you don't get the storm.
- Fill up with gas
- Get cash
- Fill your prescriptions
- Wash your clothes and dishes
- Take photos of every room and the outside of your house. Upload them to the cloud, or email them to yourself in Gmail, Hotmail, etc.
- Also take photographs of important papers, ID cards, the information in your wallet and contact information. Upload or email those photos as well.
- Get a rabbit-ears type TV antenna so you can watch TV if the cable goes out. Try it out now. The antennas are cheap, and the TV is free.
- Gather up toys and games and put them in one place. In case you have to leave home, you will want them to keep the kids entertained.
- Know if you are in an evacuation zone. Contact your county emergency management office online or on the phone. Be aware that water near the coast along much of the Florida and southeast coast will be unusually to extremely high.
- Figure out where you can park your car on high ground or in a garage. Be sure your car isn't a casualty.
Some items to buy you may not think of:
- Big plastic sheets like you use for painting. Get a few.
- Anything containers you can fill with water. There is plenty of water in your tap.
- An LED flashlight or lantern for every room in the house and for every person.
- Duct tape for use after the storm.
- Rope or strong cord
- Car phone charger
Some other important steps if you are leaving home:
- Empty your refrigerator of any foods that will spoil, turn it off and leave the doors open. Rancid food can contaminate your house.
- Bring important papers.
- Bring your hurricane supplies.
The Key Messages from the National Hurricane Center are:
1. The risk of life-threatening storm surge and hurricane-force winds this weekend continues to increase in the northwestern Bahamas, and hurricane watches could be issued there tonight or
Friday. Residents should have their hurricane plan in place and listen to advice given by local emergency officials.
2. There is an increasing likelihood of life-threatening storm surge along portions of the Florida east coast late this weekend or early next week, although it is too soon to determine where the highest storm surge will occur. Residents should have their hurricane plan in place, know if they are in a hurricane evacuation zone, and listen to advice given by local emergency officials.
3. The risk of devastating hurricane-force winds along the Florida east coast and peninsula late this weekend and early next week continues to increase, although it is too soon to determine where the strongest winds will occur.
4. Regardless of the exact track of Dorian, heavy rains are expected to occur over portions of the Bahamas, Florida, and elsewhere in the southeastern United States this weekend and into the middle of next week.
Elsewhere, no tropical systems are expected to develop through the Labor Day weekend.
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