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Potential Tropical Cyclone THREE (Text)


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Potential Tropical Cyclone Three Intermediate Advisory Number 2A
NWS National Hurricane Center Miami FL       AL032017
100 AM CDT Tue Jun 20 2017

...CENTER OF THE DISTURBANCE WOBBLES WESTWARD...


SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...24.5N 89.9W
ABOUT 325 MI...525 KM S OF THE MOUTH OF THE MISSISSIPPI RIVER
ABOUT 370 MI...595 KM SSE OF MORGAN CITY LOUISIANA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Intracoastal City to the Mouth of the Pearl River

A Tropical Storm Watch is in effect for...
* West of Intracoastal City to High Island

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within the
next 24 to 36 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

Interests elsewhere along the U.S. Gulf Coast from the central Texas
coast to the western Florida Panhandle should monitor the progress
of this system.

For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 100 AM CDT (0600 UTC), the disturbance was centered near latitude
24.5 North, longitude 89.9 West. The system is moving generally
toward the north-northwest near 8 mph (13 km/h). A turn toward the
northwest should occur by Tuesday morning, and that motion is
expected to continue into Wednesday. On the forecast track, the
disturbance is expected to be near the Louisiana coast on Wednesday.

Maximum sustained winds are near 40 mph (65 km/h) with higher
gusts. Some slight strengthening is possible before the system
reaches the coast.

Upper-level winds are expected to be marginally conducive for some
additional development of this system during the next day or two,
and a tropical or subtropical cyclone is likely to form during that
time.
* Formation chance through 48 hours...high...80 percent
* Formation chance through 5 days...high...80 percent

Tropical-storm-force winds extend outward up to 205 miles (335 km)
to the north and east of the center.

The estimated minimum central pressure is 1000 mb (29.53 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are expected to first reach the
coast within the warning area by Tuesday afternoon. Tropical storm
conditions are possible in the watch area on Wednesday.

RAINFALL:  The disturbance is expected to produce total rain
accumulations of 4 to 8 inches with isolated maximum amounts of
10 inches over southeastern Louisiana, southern Mississippi,
southern Alabama, and the Florida Panhandle through Wednesday
evening.

STORM SURGE: Inundations of 1 to 3 feet are possible along the
coast in the Tropical Storm Warning area.


NEXT ADVISORY
-------------
Next complete advisory at 400 AM CDT.

$$
Forecaster Beven

NNNN

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Page last modified: Monday, 23-Oct-2017 12:09:05 UTC