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10:00 PM CDT Fri Oct 6
...NATE ALMOST A HURRICANE AS IT MOVES INTO THE SOUTHERN GULF OF MEXICO...
Location: 22.3°N 86.4°W
Moving: NNW at 22 mph
Min pressure: 990 mb
Max sustained: 70 mph
www.nhc.noaa.gov...
.NATE BECOMES A HURRICANE
10:30 PM CDT Fri Oct 6
Location: 22.4°N 86.3°W
Moving: NNW at 22 mph
Min pressure: 988 mb
Max sustained: 75 mph
www.nhc.noaa.gov...
As of 8:00 pm EDT Fri Oct 6 2017 ...
A non-tropical area of low pressure is located about 750 miles
southwest of the Azores. Environmental conditions are expected to
allow the low to gradually acquire some tropical or subtropical
characteristics during the next few days, and a tropical or
subtropical cyclone could form early next week while the low drifts
toward the west or southwest.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 5 days...medium...60 percent.
www.nhc.noaa.gov...
Surge: A storm surge warning is up for the Gulf Coast from Morgan City, LA, to the Okaloosa/Walton county line in Florida, as well as along the northern and western shores of Lake Pontchartrain. The highest surge from Nate will arrive quickly on Saturday night, and will likely peak before dawn Sunday, so residents need to take the surge threat seriously and make final preparations as soon as possible on Saturday. As of 8 pm EDT Friday, the following inundations above ground level are possible with Nate, assuming the storm were to arrive during high tide:
Morgan City, Louisiana to the mouth of the Mississippi River...4 to 6 ft
Mouth of the Mississippi River to the Alabama/Florida border...5 to 8 ft
Alabama/Florida border to the Okaloosa/Walton County Line...4 to 6 ft
Okaloosa/Walton County Line to Indian Pass, Florida...2 to 4 ft
Indian Pass to Crystal River, Florida...1 to 3 ft
Because the daily high tide across this region occurs during the pre-dawn hours, it is quite possible that Nate will reach the coast near high tide. Tidal range between low and high tide is 1 - 1.3’ along the central Gulf Coast, so the timing of Nate’s storm surge with respect to the high tide can cause an additional foot or so of flooding. High tide in Mobile, Alabama is at 1:46 am local time Sunday, and it will be one of the highest high tides of the year, due to the full moon. Low tide is at 10:12 am Saturday. At Shell Beach, LA, on the east side of New Orleans, high tide is at 4:29 am local time Sunday, and low tide is at 12:14 pm Saturday.
www.wunderground.com...
..OUTER RAINBANDS OF NATE MOVING ONSHORE IN SOUTHEASTERN LOUISIANA.
NWS National Hurricane Center Miami FL AL162017
100 PM CDT Sat Oct 07 2017
WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Grand Isle Louisiana to the Alabama/Florida border
* Metropolitan New Orleans and Lake Pontchartrain
A Storm Surge Warning is in effect for...
* Morgan City Louisiana to the Okaloosa/Walton County Line Florida
* Northern and western shores of Lake Pontchartrain
A Tropical Storm Warning is in effect for...
* Lake Maurepas
* West of Grand Isle to Morgan City Louisiana
* East of the Alabama/Florida border to Indian Pass Florida
A Hurricane Watch is in effect for...
* Lake Maurepas
* East of the Alabama/Florida border to the Okaloosa/Walton County
Line
* West of Grand Isle to Morgan City Louisiana
A Storm Surge Watch is in effect for...
* East of the Okaloosa/Walton County Line to Indian Pass Florida
A Tropical Storm Watch is in effect for...
* West of Morgan City to Intracoastal City Louisiana
www.nhc.noaa.gov...
...CENTER OF NATE APPROACHING THE MOUTH OF THE MISSISSIPPI RIVER... ...TROPICAL STORM CONDITIONS SPREADING ONSHORE IN SOUTHEASTERN LOUISIANA...
.....The strongest winds are expected to occur primarily to
the east of the track of the center.
3. Nate's fast forward speed after landfall will bring
tropical-storm-force winds well inland across portions of the
southeastern U.S. Tropical storm watches and warnings are in effect
for portions of southeastern Mississippi, much of Alabama, and
western Georgia.
www.nhc.noaa.gov...
Wave heights depend more upon fetch.
Less time for the storm to pile up the water and smaller wave heights with a fast moving system.