Marine/aviation Tropical Cyclone Advisory
542 WTPZ24 KNHC 122057 TCMEP4 TROPICAL STORM NORBERT FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL EP142026 2100 UTC SAT SEP 12 2026 TROPICAL STORM CENTER LOCATED NEAR 17.6N 129.6W AT 12/2100Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 80NE 20SE 30SW 90NW. 4 M SEAS....150NE 45SE 90SW 150NW. 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 17.6N 129.6W AT 12/2100Z AT 12/1800Z CENTER WAS LOCATED NEAR 17.5N 129.1W FORECAST VALID 13/0600Z 18.0N 131.1W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 80NE 20SE 30SW 80NW. FORECAST VALID 13/1800Z 18.5N 133.2W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 70NE 30SE 30SW 70NW. FORECAST VALID 14/0600Z 18.8N 135.4W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 60NE 0SE 0SW 50NW. FORECAST VALID 14/1800Z 19.1N 138.0W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 0SE 0SW 40NW. FORECAST VALID 15/0600Z 19.3N 140.7W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 0SE 0SW 30NW. FORECAST VALID 15/1800Z 19.3N 143.4W MAX WIND 30 KT...GUSTS 40 KT. 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 16/1800Z 18.5N 149.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 17/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.6N 129.6W NEXT ADVISORY AT 13/0300Z