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TROPICAL STORM MARCO FORECAST/ADVISORY NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL142020
0900 UTC SAT AUG 22 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WATCH IS IN EFFECT FOR...
* PUNTA HERRERO TO CANCUN MEXICO
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* PUNTA HERRERO TO DZILAM MEXICO
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24
HOURS.
 
TROPICAL STORM CENTER LOCATED NEAR 19.6N  85.4W AT 22/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT  10 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT....... 60NE   0SE   0SW   0NW.
12 FT SEAS.. 30NE   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 19.6N  85.4W AT 22/0900Z
AT 22/0600Z CENTER WAS LOCATED NEAR 19.1N  85.2W
 
FORECAST VALID 22/1800Z 20.9N  86.1W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  30SE   0SW  50NW.
 
FORECAST VALID 23/0600Z 22.5N  87.1W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE   0SE   0SW   0NW.
34 KT... 70NE  40SE  30SW  60NW.
 
FORECAST VALID 23/1800Z 24.1N  88.3W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  20SE   0SW   0NW.
34 KT... 70NE  50SE  30SW  60NW.
 
FORECAST VALID 24/0600Z 25.7N  89.9W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  20SE   0SW   0NW.
34 KT... 80NE  70SE  30SW  70NW.
 
FORECAST VALID 24/1800Z 27.3N  91.3W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  20SE   0SW  20NW.
34 KT... 80NE  60SE  30SW  70NW.
 
FORECAST VALID 25/0600Z 28.3N  93.4W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  20SE   0SW  20NW.
34 KT... 70NE  50SE  40SW  70NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 26/0600Z 29.1N  96.2W...INLAND
MAX WIND  40 KT...GUSTS  50 KT.
 
OUTLOOK VALID 27/0600Z 29.6N  97.8W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.6N  85.4W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 22/1200Z
 
NEXT ADVISORY AT 22/1500Z
 
$$
FORECASTER ROBERTS
 
 
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