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Tropical Storm MIRIAM Forecast Advisory Number 21

Issued at 0300 UTC THU SEP 27 2012

000
WTPZ23 KNHC 270232
TCMEP3
 
TROPICAL STORM MIRIAM FORECAST/ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP132012
0300 UTC THU SEP 27 2012
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 21.5N 115.7W AT 27/0300Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT   6 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT.......100NE  80SE  70SW  90NW.
12 FT SEAS..180NE 120SE 240SW 200NW.
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 21.5N 115.7W AT 27/0300Z
AT 27/0000Z CENTER WAS LOCATED NEAR 21.2N 115.6W
 
FORECAST VALID 27/1200Z 22.2N 116.1W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 80NE  70SE  60SW  70NW.
 
FORECAST VALID 28/0000Z 22.7N 116.6W
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 28/1200Z 22.8N 117.0W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 29/0000Z 22.9N 117.3W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 30/0000Z 22.9N 117.6W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 01/0000Z 22.5N 118.0W...POST-TROP/REMNT LOW
MAX WIND  15 KT...GUSTS  20 KT.
 
OUTLOOK VALID 02/0000Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.5N 115.7W
 
NEXT ADVISORY AT 27/0900Z
 
$$
FORECASTER BERG
 
 

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