000 WTPZ22 KNHC 150854 TCMEP2 TROPICAL STORM NORMA FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172017 0900 UTC FRI SEP 15 2017 INTERESTS IN BAJA CALIFORNIA SUR SHOULD MONITOR THE PROGRESS OF NORMA. A HURRICANE WATCH COULD BE REQUIRED LATER TODAY FOR PORTIONS OF THE PENINSULA. TROPICAL STORM CENTER LOCATED NEAR 18.6N 109.7W AT 15/0900Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTH OR 350 DEGREES AT 2 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 60NE 60SE 60SW 40NW. 12 FT SEAS..150NE 180SE 120SW 60NW. 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 18.6N 109.7W AT 15/0900Z AT 15/0600Z CENTER WAS LOCATED NEAR 18.5N 109.6W FORECAST VALID 15/1800Z 19.0N 109.8W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 30SE 0SW 0NW. 34 KT... 80NE 70SE 70SW 60NW. FORECAST VALID 16/0600Z 19.4N 110.0W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 40SE 30SW 30NW. 34 KT... 80NE 80SE 80SW 70NW. FORECAST VALID 16/1800Z 20.0N 110.1W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 20SE 20SW 20NW. 50 KT... 40NE 40SE 30SW 30NW. 34 KT... 80NE 80SE 80SW 70NW. FORECAST VALID 17/0600Z 20.6N 110.3W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 40NE 40SE 40SW 40NW. 34 KT... 90NE 90SE 90SW 80NW. FORECAST VALID 18/0600Z 22.8N 111.4W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 40NE 40SE 30SW 30NW. 34 KT...100NE 100SE 70SW 70NW. 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 19/0600Z 24.5N 112.0W MAX WIND 50 KT...GUSTS 60 KT. OUTLOOK VALID 20/0600Z 26.3N 110.7W MAX WIND 35 KT...GUSTS 45 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.6N 109.7W NEXT ADVISORY AT 15/1500Z $$ FORECASTER AVILA