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Tropical Storm MIRIAM Forecast Advisory Number 18

Issued at 0900 UTC WED SEP 26 2012

000
WTPZ23 KNHC 260850
TCMEP3
 
TROPICAL STORM MIRIAM FORECAST/ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP132012
0900 UTC WED SEP 26 2012
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 19.5N 115.5W AT 26/0900Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT   5 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  990 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 50NE  40SE  30SW  50NW.
34 KT....... 90NE  80SE  70SW  80NW.
12 FT SEAS..180NE 180SE 180SW 210NW.
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 19.5N 115.5W AT 26/0900Z
AT 26/0600Z CENTER WAS LOCATED NEAR 19.2N 115.4W
 
FORECAST VALID 26/1800Z 20.3N 115.7W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  30SE  20SW  40NW.
34 KT... 90NE  80SE  60SW  70NW.
 
FORECAST VALID 27/0600Z 21.5N 116.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 70NE  60SE  50SW  60NW.
 
FORECAST VALID 27/1800Z 22.4N 116.4W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE  40SE   0SW  40NW.
 
FORECAST VALID 28/0600Z 22.9N 116.6W...POST-TROP/REMNT LOW
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 29/0600Z 23.2N 116.8W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 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 30/0600Z 23.5N 117.0W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
OUTLOOK VALID 01/0600Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.5N 115.5W
 
NEXT ADVISORY AT 26/1500Z
 
$$
FORECASTER BLAKE
 
 

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