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Expires:No;;960300
WTNT31 KNHC 192041
TCPAT1

BULLETIN
Post-Tropical Cyclone Nestor Advisory Number  10
NWS National Hurricane Center Miami FL       AL162019
500 PM EDT Sat Oct 19 2019

...POST-TROPICAL CYCLONE NESTOR INLAND OVER THE FLORIDA PANHANDLE...
...THIS IS THE LAST ADVISORY...


SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...30.4N 84.1W
ABOUT 70 MI...115 KM NE OF APALACHICOLA FLORIDA
ABOUT 10 MI...20 KM E OF TALLAHASSEE FLORIDA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 23 MPH...37 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

The Tropical Storm Warning has been discontinued for the Gulf coast
of Florida.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

There are no tropical cyclone coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 500 PM EDT (2100 UTC), satellite imagery, NOAA Doppler weather
radar data, and surface observations indicate that the center of
Post-Tropical Cyclone Nestor was located near latitude 30.4 North,
longitude 84.1 West. The post-tropical cyclone is moving toward the
northeast near 23 mph (37 km/h), and this general motion is
expected to continue through Sunday night. On the forecast track,
the center of Post-Tropical Cyclone Nestor will move across portions
of the southeastern United States tonight and Sunday. The cyclone is
expected to move offshore of the coast of North Carolina into the
western Atlantic by late Sunday.

Maximum sustained winds have decreased to near 40 mph (65 km/h) with
higher gusts. Little change in strength is forecast during the next
day or so, with some slight strengthening possible Sunday night and
Monday when Post-Tropical Nestor moves over the western Atlantic.

Tropical-storm-force winds extend outward up to 240 miles (390 km),
east of the center over Atlantic waters just offshore the Georgia
coast. The NOAA buoy at Gray's Reef, Georgia, recently reported a
sustained wind of 38 mph (61 km/h) and a gust to 43 mph (69 km/h)

The minimum central pressure based on nearby surface observations
is estimated to be 999 mb (29.50 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Post-Tropical Cyclone Nestor is expected to produce
additional rainfall accumulations of 1 to 3 inches this weekend
across portions of the southeastern United States.

WIND: Gale-force winds will develop along portions of the Atlantic
coast of the southeastern United States later today and tonight.

TORNADOES:  A tornado remains possible across parts of the Florida
Peninsula and coastal Georgia this afternoon and early evening, with
a few tornadoes possible tonight through Sunday morning across the
coastal Carolinas.

STORM SURGE: Storm surge levels will continue to subside through
tonight along the Gulf coast of Florida.


NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on Nestor.  Additional information on this system can be
found in High Seas Forecasts issued by the National Weather
Service...under AWIPS header NFDHSFAT1 and WMO header FZNT01 KWBC.

$$
Forecaster Stewart



 

More information

Expires:No;;545845
WTNT41 KNHC 192041
TCDAT1

Post-Tropical Cyclone Nestor Discussion Number  10
NWS National Hurricane Center Miami FL       AL162019
500 PM EDT Sat Oct 19 2019

The center of Post-Tropical Cyclone Nestor made landfall along on
St. Vincent Island, Florida, around 1730 UTC. Since then, that
center has moved inland over the Florida Panhandle between
Apalachicola and Tallahassee. However, during the past hour, a new
center appears to have formed farther west along a quasi-occluded
frontal boundary. The earlier 40-45 kt winds over water have moved
inland and weakened, and the initial intensity of 35 kt is based on
a recent wind report of a sustained wind of 33 kt at 5-meters
elevation from NOAA buoy 41008/Gray's Reef, Georgia.

The initial motion estimate is now northeastward or 055/20 kt.
Nestor is forecast to move northeastward over the next 36 hours or
so, followed by a turn toward the east once the cyclone reaches the
North Carolina Outer Banks. On days 2 an 3, upper-level support is
expected to weaken and lift out to the northeast, leaving a
weakening extratropical cyclone Nestor behind. The cyclone should
then dissipate or merge with another frontal system by 96 h offshore
of the U.S. east coast. The new official forecast track is similar
to the previous advisory, and lies close to the center of the
tightly packed model guidance envelope.

Some slight strengthening is expected on Sunday,  mainly due to the
robust circulation moving out over the warm waters of the far
western Atlantic where less friction will affect the cyclone. The
official intensity foreast closely follows an average of the 1200
UTC GFS, UKMET, and ECMWF global model intensity forecasts.

This is the last advisory issued by the National Hurricane Center on
Nestor.  Additional information on this system can be found in High
Seas Forecasts issued by the National Weather Service...under AWIPS
header NFDHSFAT1 and WMO header FZNT01 KWBC.

Key Messages:

1. Gale-force winds will gradually develop over the Atlantic waters
and along the coasts northeastern Florida and Georgia tonight, and
spread northward to the Carolinas on Sunday.

2. Isolated flash flooding is possible across the southeastern
United States into Sunday.

3. Wind and coastal flooding hazards along the U.S. East Coast will
be covered by non-tropical watches and warnings issued by local NWS
offices, since the system is expected to lose its tropical
characteristics after it moves inland along the Gulf Coast.


FORECAST POSITIONS AND MAX WINDS

INIT  19/2100Z 30.4N  84.1W   35 KT  40 MPH...POST-TROP/EXTRATROP
 12H  20/0600Z 32.3N  81.4W   40 KT  45 MPH...POST-TROP/EXTRATROP
 24H  20/1800Z 35.0N  76.7W   40 KT  45 MPH...POST-TROP/EXTRATROP
 36H  21/0600Z 36.8N  72.0W   45 KT  50 MPH...POST-TROP/EXTRATROP
 48H  21/1800Z 36.8N  68.0W   40 KT  45 MPH...POST-TROP/EXTRATROP
 72H  22/1800Z 36.5N  65.5W   35 KT  40 MPH...POST-TROP/EXTRATROP
 96H  23/1800Z...DISSIPATED

$$
Forecaster Stewart



 
	

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