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SUBTROPICAL STORM ALBERTO FORECAST/ADVISORY NUMBER   1
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL012018
1500 UTC FRI MAY 25 2018

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WATCH FOR THE
EAST COAST OF THE YUCATAN PENINSULA FROM TULUM TO CABO CATOCHE.

THE GOVERNMENT OF CUBA HAS ISSUED A TROPICAL STORM WATCH FOR THE
WESTERN CUBAN PROVINCE OF PINAR DEL RIO.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* TULUM TO CABO CATOCHE MEXICO
* CUBAN PROVINCE OF PINAR DEL RIO

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 24
HOURS.

INTERESTS ALONG THE CENTRAL AND EASTERN U.S. GULF COAST SHOULD
MONITOR THE PROGRESS OF ALBERTO. TROPICAL STORM AND STORM SURGE
WATCHES COULD BE REQUIRED FOR PORTIONS OF THIS AREA LATER TODAY OR
TONIGHT.

SUBTROPICAL STORM CENTER LOCATED NEAR 19.7N  86.8W AT 25/1500Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  20 DEGREES AT   5 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT.......100NE 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 19.7N  86.8W AT 25/1500Z
AT 25/1200Z CENTER WAS LOCATED NEAR 19.4N  87.0W

FORECAST VALID 26/0000Z 20.5N  86.6W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...100NE 100SE   0SW   0NW.

FORECAST VALID 26/1200Z 22.0N  86.2W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...100NE 100SE   0SW   0NW.

FORECAST VALID 27/0000Z 24.1N  85.8W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...100NE 100SE   0SW  60NW.

FORECAST VALID 27/1200Z 26.7N  86.1W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE  50SE   0SW   0NW.
34 KT...100NE 100SE   0SW  80NW.

FORECAST VALID 28/1200Z 29.3N  87.9W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 50NE  50SE   0SW  40NW.
34 KT...100NE 100SE   0SW  80NW.

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 29/1200Z 31.0N  89.1W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.

OUTLOOK VALID 30/1200Z 33.6N  88.7W...INLAND
MAX WIND  20 KT...GUSTS  30 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.7N  86.8W

NEXT ADVISORY AT 25/2100Z

$$
FORECASTER STEWART


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