Marine/aviation Tropical Cyclone Advisory
683 WTPZ22 KNHC 211451 TCMEP2 TROPICAL STORM POLO FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172026 1500 UTC MON SEP 21 2026 TROPICAL STORM CENTER LOCATED NEAR 15.4N 103.4W AT 21/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE EAST OR 90 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 20NE 20SE 0SW 0NW. 34 KT....... 50NE 60SE 20SW 20NW. 4 M SEAS.... 45NE 45SE 30SW 45NW. 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 15.4N 103.4W AT 21/1500Z AT 21/1200Z CENTER WAS LOCATED NEAR 15.5N 103.6W FORECAST VALID 22/0000Z 15.2N 102.8W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 10NE 10SE 10SW 10NW. 50 KT... 30NE 30SE 20SW 20NW. 34 KT... 60NE 70SE 40SW 40NW. FORECAST VALID 22/1200Z 15.1N 102.3W MAX WIND 105 KT...GUSTS 130 KT. 64 KT... 20NE 20SE 10SW 10NW. 50 KT... 40NE 40SE 20SW 20NW. 34 KT... 80NE 80SE 60SW 50NW. FORECAST VALID 23/0000Z 15.4N 102.3W MAX WIND 125 KT...GUSTS 150 KT. 64 KT... 20NE 20SE 20SW 20NW. 50 KT... 50NE 40SE 30SW 30NW. 34 KT...100NE 90SE 70SW 60NW. FORECAST VALID 23/1200Z 16.0N 102.8W MAX WIND 135 KT...GUSTS 165 KT. 64 KT... 30NE 30SE 20SW 30NW. 50 KT... 50NE 50SE 40SW 40NW. 34 KT...120NE 100SE 70SW 80NW. FORECAST VALID 24/0000Z 16.8N 103.6W MAX WIND 140 KT...GUSTS 170 KT. 64 KT... 30NE 30SE 30SW 30NW. 50 KT... 50NE 50SE 40SW 40NW. 34 KT...120NE 100SE 70SW 80NW. FORECAST VALID 24/1200Z 17.6N 104.8W MAX WIND 140 KT...GUSTS 170 KT. 64 KT... 35NE 35SE 30SW 30NW. 50 KT... 50NE 50SE 40SW 40NW. 34 KT...110NE 100SE 70SW 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 25/1200Z 18.6N 107.8W MAX WIND 130 KT...GUSTS 160 KT. 50 KT... 50NE 50SE 40SW 40NW. 34 KT...110NE 100SE 90SW 90NW. OUTLOOK VALID 26/1200Z 20.3N 110.4W MAX WIND 120 KT...GUSTS 145 KT. 50 KT... 60NE 50SE 40SW 50NW. 34 KT...110NE 110SE 100SW 90NW. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.4N 103.4W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPEP2...AT 21/1800Z NEXT ADVISORY AT 21/2100Z