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Tropical Storm MIRIAM Forecast Advisory Number 6

Issued at 0900 UTC SUN SEP 23 2012

000
WTPZ23 KNHC 230843
TCMEP3
 
TROPICAL STORM MIRIAM FORECAST/ADVISORY NUMBER   6
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP132012
0900 UTC SUN SEP 23 2012
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 15.3N 108.8W AT 23/0900Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 60NE  60SE  20SW  40NW.
12 FT SEAS..120NE 120SE  45SW  60NW.
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 15.3N 108.8W AT 23/0900Z
AT 23/0600Z CENTER WAS LOCATED NEAR 15.1N 108.5W
 
FORECAST VALID 23/1800Z 16.2N 110.1W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  30SE  20SW  30NW.
34 KT... 70NE  70SE  30SW  60NW.
 
FORECAST VALID 24/0600Z 17.2N 111.7W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  20SE   0SW   0NW.
50 KT... 40NE  40SE  20SW  30NW.
34 KT... 80NE  80SE  50SW  70NW.
 
FORECAST VALID 24/1800Z 18.1N 113.2W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  20SE  10SW  20NW.
50 KT... 50NE  40SE  30SW  40NW.
34 KT...100NE  90SE  60SW  90NW.
 
FORECAST VALID 25/0600Z 18.7N 114.3W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 60NE  60SE  50SW  60NW.
34 KT...120NE 110SE  90SW 110NW.
 
FORECAST VALID 26/0600Z 19.8N 115.7W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 60NE  60SE  50SW  60NW.
34 KT...120NE 110SE  90SW 110NW.
 
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 27/0600Z 20.8N 116.5W
MAX WIND  65 KT...GUSTS  80 KT.
 
OUTLOOK VALID 28/0600Z 21.8N 117.0W
MAX WIND  55 KT...GUSTS  65 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.3N 108.8W
 
NEXT ADVISORY AT 23/1500Z
 
$$
FORECASTER STEWART
 
 

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