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TROPICAL STORM GUILLERMO FORECAST/ADVISORY NUMBER 4
NWS NATIONAL HURRICANE CENTER MIAMI FL EP072021
0900 UTC SUN JUL 18 2021
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
TROPICAL STORM CENTER LOCATED NEAR 17.6N 111.6W AT 18/0900Z
POSITION ACCURATE WITHIN 40 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....... 60NE 60SE 0SW 0NW.
12 FT SEAS.. 60NE 0SE 0SW 0NW.
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 111.6W AT 18/0900Z
AT 18/0600Z CENTER WAS LOCATED NEAR 17.5N 111.1W
FORECAST VALID 18/1800Z 18.0N 113.1W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 20SE 0SW 20NW.
34 KT... 80NE 60SE 0SW 50NW.
FORECAST VALID 19/0600Z 18.4N 115.5W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 20SE 0SW 20NW.
34 KT... 80NE 80SE 0SW 50NW.
FORECAST VALID 19/1800Z 18.7N 118.2W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 40NE 30SE 0SW 20NW.
34 KT...100NE 90SE 40SW 60NW.
FORECAST VALID 20/0600Z 18.7N 120.9W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 30SE 0SW 20NW.
34 KT...100NE 90SE 40SW 60NW.
FORECAST VALID 20/1800Z 18.7N 123.8W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 70NE 60SE 50SW 50NW.
FORECAST VALID 21/0600Z 18.5N 126.8W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 70NE 60SE 50SW 50NW.
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 22/0600Z 18.0N 132.0W
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 23/0600Z 17.5N 137.0W
MAX WIND 30 KT...GUSTS 40 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.6N 111.6W
NEXT ADVISORY AT 18/1500Z
$$
FORECASTER PASCH
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