Marine/aviation Tropical Cyclone Advisory
625 WTPZ24 KNHC 231445 TCMEP4 TROPICAL STORM ISELLE FORECAST/ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092026 1500 UTC SUN AUG 23 2026 TROPICAL STORM CENTER LOCATED NEAR 15.3N 114.2W AT 23/1500Z POSITION ACCURATE WITHIN 60 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 80NE 80SE 90SW 0NW. 4 M SEAS.... 60NE 60SE 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 15.3N 114.2W AT 23/1500Z AT 23/1200Z CENTER WAS LOCATED NEAR 14.9N 113.7W FORECAST VALID 24/0000Z 16.5N 115.6W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...100NE 110SE 90SW 40NW. FORECAST VALID 24/1200Z 17.9N 117.2W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 30NE 30SE 0SW 20NW. 34 KT...120NE 130SE 90SW 70NW. FORECAST VALID 25/0000Z 19.3N 118.7W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 15NE 0SE 0SW 0NW. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...130NE 140SE 80SW 80NW. FORECAST VALID 25/1200Z 20.5N 120.3W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 15NE 0SE 0SW 0NW. 50 KT... 50NE 30SE 0SW 40NW. 34 KT...130NE 120SE 70SW 100NW. FORECAST VALID 26/0000Z 21.4N 121.9W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...120NE 110SE 70SW 100NW. FORECAST VALID 26/1200Z 22.0N 123.6W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 30NE 20SE 0SW 30NW. 34 KT...100NE 80SE 50SW 90NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 27/1200Z 23.0N 127.2W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 80NE 50SE 50SW 80NW. OUTLOOK VALID 28/1200Z 23.9N 130.8W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 0SE 0SW 60NW. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.3N 114.2W NEXT ADVISORY AT 23/2100Z