000 WTNT21 KNHC 260851 TCMAT1 SUBTROPICAL STORM ALBERTO FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012018 0900 UTC SAT MAY 26 2018 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WATCH IS IN EFFECT FOR... * HORSESHOE BEACH FLORIDA TO THE MOUTH OF THE MISSISSIPPI RIVER A TROPICAL STORM WATCH IS IN EFFECT FOR... * TULUM TO CABO CATOCHE MEXICO * CUBAN PROVINCE OF PINAR DEL RIO * INDIAN PASS FLORIDA TO GRAND ISLE LOUISIANA * LAKE PONTCHARTRAIN AND LAKE MAUREPAS 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 WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE YUCATAN AND CUBA PORTIONS OF THE WATCH AREA... IN THIS CASE WITHIN THE NEXT 24 HOURS. 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 19.9N 85.6W AT 26/0900Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 15 DEGREES AT 6 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 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 19.9N 85.6W AT 26/0900Z AT 26/0600Z CENTER WAS LOCATED NEAR 19.3N 85.7W FORECAST VALID 26/1800Z 21.6N 85.1W MAX WIND 35 KT...GUSTS 45 KT. 34 KT...120NE 100SE 0SW 0NW. FORECAST VALID 27/0600Z 24.3N 85.0W MAX WIND 40 KT...GUSTS 50 KT. 34 KT...120NE 100SE 40SW 90NW. FORECAST VALID 27/1800Z 26.2N 85.9W...TROPICAL STORM MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 30SE 0SW 0NW. 34 KT...110NE 120SE 80SW 80NW. FORECAST VALID 28/0600Z 27.5N 86.8W...TROPICAL STORM MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 40SE 0SW 0NW. 34 KT... 90NE 120SE 60SW 60NW. FORECAST VALID 29/0600Z 30.4N 87.9W...NEAR THE COAST MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 40SE 0SW 0NW. 34 KT... 60NE 120SE 60SW 60NW. 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 30/0600Z 33.3N 88.1W...INLAND MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 31/0600Z 38.0N 85.0W...INLAND MAX WIND 20 KT...GUSTS 30 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.9N 85.6W NEXT ADVISORY AT 26/1500Z $$ FORECASTER CANGIALOSI