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TROPICAL STORM DOUGLAS FORECAST/ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP082020
0900 UTC TUE JUL 21 2020
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 13.0N 122.8W AT 21/0900Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 255 DEGREES AT  12 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 15NE   0SE   0SW   0NW.
34 KT....... 30NE  30SE  30SW  30NW.
12 FT SEAS.. 30NE  30SE   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 13.0N 122.8W AT 21/0900Z
AT 21/0600Z CENTER WAS LOCATED NEAR 13.1N 122.2W
 
FORECAST VALID 21/1800Z 12.5N 124.5W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 15NE   0SE   0SW  15NW.
34 KT... 30NE  30SE  30SW  30NW.
 
FORECAST VALID 22/0600Z 12.2N 127.0W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 10NE   0SE   0SW   0NW.
50 KT... 20NE   0SE   0SW  20NW.
34 KT... 40NE  20SE  20SW  40NW.
 
FORECAST VALID 22/1800Z 12.3N 129.7W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 15NE   0SE   0SW  15NW.
50 KT... 30NE  20SE  20SW  30NW.
34 KT... 60NE  40SE  40SW  60NW.
 
FORECAST VALID 23/0600Z 13.0N 132.2W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 15NE   0SE   0SW  15NW.
50 KT... 30NE  20SE  20SW  30NW.
34 KT... 60NE  40SE  40SW  60NW.
 
FORECAST VALID 23/1800Z 14.2N 134.9W
MAX WIND  80 KT...GUSTS 100 KT.
50 KT... 40NE  20SE  20SW  40NW.
34 KT... 70NE  40SE  40SW  70NW.
 
FORECAST VALID 24/0600Z 15.4N 137.6W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 40NE  20SE  20SW  40NW.
34 KT... 80NE  40SE  40SW  80NW.
 
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 25/0600Z 17.0N 143.2W
MAX WIND  65 KT...GUSTS  80 KT.
 
OUTLOOK VALID 26/0600Z 17.8N 148.9W
MAX WIND  50 KT...GUSTS  60 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.0N 122.8W
 
NEXT ADVISORY AT 21/1500Z
 
$$
FORECASTER STEWART
 
 
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