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489 WTPZ22 KNHC 180831 TCMEP2 TROPICAL STORM NORMA FORECAST/ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172017 0900 UTC MON SEP 18 2017 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 21.4N 111.8W AT 18/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 60NE 50SE 60SW 60NW. 12 FT SEAS..120NE 60SE 60SW 120NW. 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 21.4N 111.8W AT 18/0900Z AT 18/0600Z CENTER WAS LOCATED NEAR 21.3N 111.6W FORECAST VALID 18/1800Z 21.5N 112.6W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 40SE 50SW 50NW. FORECAST VALID 19/0600Z 21.8N 113.6W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 30SE 0SW 30NW. FORECAST VALID 19/1800Z 22.2N 114.6W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 20/0600Z 22.8N 115.3W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 21/0600Z 24.2N 115.8W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 22/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.4N 111.8W NEXT ADVISORY AT 18/1500Z $$ FORECASTER BLAKEReturn to the Tropical Systems Page for NORMA Back to main Tropical Weather page
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