000 WTNT21 KNHC 252047 TCMAT1 SUBTROPICAL STORM ALBERTO FORECAST/ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012018 2100 UTC FRI MAY 25 2018 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A STORM SURGE WATCH HAS BEEN ISSUED FOR PORTIONS OF THE NORTHERN GULF COAST OF THE UNITED STATES FROM HORSESHOE BEACH FLORIDA WESTWARD TO THE MOUTH OF THE MISSISSIPPI RIVER. A TROPICAL STORM WATCH HAS BEEN ISSUED FOR PORTIONS OF THE NORTHERN GULF COAST OF THE UNITED STATES FROM INDIAN PASS FLORIDA WESTWARD TO GRAND ISLE LOUISIANA...INCLUDING LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WATCH IS IN EFFECT FOR... * HORSESHOE BEACH 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 TO GRAND ISLE * 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 19.4N 86.3W AT 25/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE EAST OR 90 DEGREES AT 2 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT.......120NE 100SE 0SW 0NW. 12 FT SEAS..120NE 0SE 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 19.4N 86.3W AT 25/2100Z AT 25/1800Z CENTER WAS LOCATED NEAR 19.4N 86.4W FORECAST VALID 26/0600Z 20.7N 86.0W MAX WIND 40 KT...GUSTS 50 KT. 34 KT...120NE 100SE 0SW 0NW. FORECAST VALID 26/1800Z 22.5N 85.7W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...120NE 100SE 0SW 0NW. FORECAST VALID 27/0600Z 24.8N 85.6W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 50NE 0SE 0SW 0NW. 34 KT...120NE 120SE 0SW 0NW. FORECAST VALID 27/1800Z 26.8N 86.2W...TROPICAL STORM MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 50SE 0SW 0NW. 34 KT...130NE 120SE 0SW 80NW. FORECAST VALID 28/1800Z 29.0N 87.8W...TROPICAL STORM MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 50SE 0SW 40NW. 34 KT...130NE 120SE 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 29/1800Z 31.7N 88.6W...INLAND MAX WIND 30 KT...GUSTS 40 KT. OUTLOOK VALID 30/1800Z 35.2N 87.6W...INLAND MAX WIND 20 KT...GUSTS 30 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.4N 86.3W NEXT ADVISORY AT 26/0300Z $$ FORECASTER STEWART