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Subtropical Storm ALBERTO


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BULLETIN
Subtropical Storm Alberto Intermediate Advisory Number 14A
NWS National Hurricane Center Miami FL       AL012018
100 PM CDT Mon May 28 2018

...CENTER OF ALBERTO MOVING CLOSER TO THE COAST OF THE FLORIDA
PANHANDLE...
...RAIN BANDS AND GUSTY WINDS CONTINUE TO SPREAD ONSHORE...


SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...29.8N 85.9W
ABOUT 30 MI...50 KM SSW OF PANAMA CITY FLORIDA
ABOUT 55 MI...90 KM W OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES


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

None

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Storm Surge Watch is in effect for...
* Suwannee River to Mexico Beach

A Tropical Storm Warning is in effect for...
* Suwannee River to the Alabama/Florida border

A Storm Surge Watch means there is a possibility of life-
threatening inundation, from rising water moving inland from the
coastline, in the indicated locations. For a depiction of areas at
risk, please see the National Weather Service Storm Surge
Watch/Warning Graphic, available at hurricanes.gov.

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 OUTLOOK
----------------------
At 100 PM CDT (1800 UTC), the center of Subtropical Storm Alberto
was located near latitude 29.8 North, longitude 85.9 West.  The
storm is moving toward the north near 8 mph (13 km/h).  A faster
northward or north-northwestward motion is expected during the next
few days.  On the forecast track, the center of Alberto will cross
the northern Gulf Coast in the warning area this afternoon or this
evening.  After landfall, the system is forecast to move well inland
into the Tennessee Valley on Tuesday and into the Ohio Valley and
Great Lakes region on Wednesday and Thursday.

Maximum sustained winds are near 50 mph (85 km/h) with higher
gusts.  Little change in strength is expected before Alberto reaches
the northern Gulf Coast later today.  Steady weakening is forecast
after landfall, and Alberto will likely become a subtropical
depression tonight or early Tuesday, and degenerate into a remnant
low by Tuesday afternoon.

Winds of 40 mph extend outward up to 105 miles (165 km) from the
center.  An automated weather observing site near Panama City
recently reported sustained winds of 36 mph (57 km/h) with a gust
to 56 mph (91 km/h).  A sustained wind of 38 mph (61 km/h) with a
gust to 44 mph (70 km/h) was recently observed near Apalachicola.

The estimated minimum central pressure from reconnaissance aircraft
data is 994 mb (29.35 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Alberto is expected to produce the following rain
accumulations through Tuesday:

Central Cuba...Additional 5 to 10 inches, isolated storm-totals of
20 to 25 inches.

The Florida panhandle across eastern and central Alabama and western
Georgia...4 to 8 inches, isolated 12 inches.

The Florida Keys and Florida peninsula...Additional 1 to 3 inches,
isolated 10 inches.

Rest of the Southeast and Tennessee Valley into the lower mid
Atlantic from Tennessee east through the Carolinas...2 to 6 inches.

Rains in Cuba could produce life-threatening flash floods and
mudslides.  Flooding and flash flooding are possible in the
southeast United States, including Florida.

WIND:  Tropical storm conditions will continue within portions of
the warning area into this evening.

STORM SURGE:  The combination of storm surge and the tide will cause
normally dry areas near the coast to be flooded by rising waters
moving inland from the shoreline.  The water could reach the
following heights above ground somewhere in the indicated
areas if the peak surge occurs at the time of high tide...

Suwannee River to Mexico Beach...2 to 4 ft

The deepest water will occur along the immediate coast. Surge-
related flooding depends on the relative timing of the surge
and the tidal cycle, and can vary greatly over short distances.  For
information specific to your area, please see products issued by
your local National Weather Service forecast office.

TORNADOES:  A couple of brief tornadoes are possible today from
northern Florida into central and southern Georgia, southern South
Carolina, and southeastern Alabama.

SURF:  Swells generated by Alberto will continue to affect the
eastern and northern Gulf Coast through Tuesday.  These swells are
likely to cause life-threatening surf and rip current conditions.
For more information, consult products from your local weather
office.


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

$$
Forecaster Brown

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