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SUBTROPICAL STORM ALBERTO FORECAST/ADVISORY NUMBER   6
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL012018
2100 UTC SAT MAY 26 2018

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

A TROPICAL STORM WARNING HAS BEEN ISSUED FOR THE WEST COAST OF THE
FLORIDA PENINSULA FROM BONITA BEACH TO THE ANCLOTE RIVER.

A TROPICAL STORM WARNING HAS BEEN ISSUED FOR THE NORTHERN GULF COAST
FROM THE AUCILLA RIVER WESTWARD TO THE MISSISSIPPI/ALABAMA BORDER.

THE TROPICAL STORM WATCH HAS BEEN DISCONTINUED WEST OF THE MOUTH OF
THE PEARL RIVER INCLUDING LAKE PONTCHARTRAIN AND LAKE MAUREPAS.

THE STORM SURGE WATCH HAS BEEN DISCONTINUED TO THE WEST OF THE
MOUTH OF THE PEARL RIVER.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WATCH IS IN EFFECT FOR...
* CRYSTAL RIVER TO THE MOUTH OF THE PEARL RIVER

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CUBAN PROVINCE OF PINAR DEL RIO
* DRY TORTUGAS
* BONITA BEACH TO ANCLOTE RIVER
* AUCILLA RIVER TO THE MISSISSIPPI/ALABAMA BORDER

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* MISSISSIPPI/ALABAMA BORDER TO THE MOUTH OF THE PEARL RIVER

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 DURING THE NEXT 48 HOURS.
FOR A DEPICTION OF AREAS AT RISK... PLEASE SEE THE NATIONAL WEATHER
SERVICE STORM SURGE WATCH/WARNING GRAPHIC... AVAILABLE AT
HURRICANES.GOV.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE IN THE UNITED STATES PORTION OF THAT WATCH AREA WITHIN
48 HOURS.

SUBTROPICAL STORM CENTER LOCATED NEAR 23.3N  85.1W AT 26/2100Z
POSITION ACCURATE WITHIN  40 NM

PRESENT MOVEMENT TOWARD THE NORTH OR  10 DEGREES AT  11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT.......120NE 100SE   0SW   0NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 23.3N  85.1W AT 26/2100Z
AT 26/1800Z CENTER WAS LOCATED NEAR 22.8N  85.2W

FORECAST VALID 27/0600Z 25.4N  84.9W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...120NE 100SE   0SW   0NW.

FORECAST VALID 27/1800Z 27.5N  85.3W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  30SE   0SW   0NW.
34 KT...120NE 100SE  50SW  90NW.

FORECAST VALID 28/0600Z 28.9N  86.3W...TROPICAL STORM
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  30SE   0SW   0NW.
34 KT...110NE 120SE  80SW  80NW.

FORECAST VALID 28/1800Z 30.0N  87.0W...TROPICAL STORM
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  40SE   0SW   0NW.
34 KT... 90NE 120SE  80SW  60NW.

FORECAST VALID 29/1800Z 33.6N  87.9W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 30/1800Z 38.3N  87.5W...INLAND
MAX WIND  20 KT...GUSTS  30 KT.

OUTLOOK VALID 31/1800Z 42.4N  83.4W...POST-TROPICAL
MAX WIND  15 KT...GUSTS  20 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.3N  85.1W

NEXT ADVISORY AT 27/0300Z

$$
FORECASTER BROWN


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