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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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