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016 WTPZ22 KNHC 170848 TCMEP2 TROPICAL STORM NORMA FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172017 0900 UTC SUN SEP 17 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * LOS BARRILES TO TODOS SANTOS A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTH OF TODOS SANTOS TO CABO SAN LAZARO A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA... IN THIS CASE WITHIN 24 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA... IN THIS CASE WITHIN 36 HOURS. TROPICAL STORM CENTER LOCATED NEAR 20.5N 110.4W AT 17/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 999 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 80NE 60SE 60SW 70NW. 12 FT SEAS..120NE 90SE 90SW 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 20.5N 110.4W AT 17/0900Z AT 17/0600Z CENTER WAS LOCATED NEAR 20.3N 110.3W FORECAST VALID 17/1800Z 21.1N 110.7W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 80NE 60SE 60SW 70NW. FORECAST VALID 18/0600Z 21.7N 111.3W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 70NE 60SE 60SW 60NW. FORECAST VALID 18/1800Z 22.1N 112.1W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 60SE 60SW 60NW. FORECAST VALID 19/0600Z 22.4N 113.0W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 50NE 50SE 50SW 50NW. FORECAST VALID 20/0600Z 22.9N 114.3W MAX WIND 30 KT...GUSTS 40 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 21/0600Z 23.5N 114.5W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 22/0600Z 24.0N 114.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.5N 110.4W NEXT ADVISORY AT 17/1500Z $$ FORECASTER ZELINSKYReturn to the Tropical Systems Page for NORMA Back to main Tropical Weather page
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