000
WTPZ22 KNHC 180237
TCMEP2
 
TROPICAL STORM NORMA FORECAST/ADVISORY NUMBER  15
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172017
0300 UTC MON SEP 18 2017
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WATCH
FOR BAJA CALIFORNIA SUR.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT... 
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 21.4N 111.4W AT 18/0300Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT   4 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 60NE  50SE  60SW  60NW.
12 FT SEAS..150NE  75SE  90SW 120NW.
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 21.4N 111.4W AT 18/0300Z
AT 18/0000Z CENTER WAS LOCATED NEAR 21.3N 111.2W
 
FORECAST VALID 18/1200Z 21.6N 112.1W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  50SE  60SW  60NW.
 
FORECAST VALID 19/0000Z 21.8N 113.0W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE  50SE  60SW  60NW.
 
FORECAST VALID 19/1200Z 22.1N 113.8W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE  40SE   0SW  40NW.
 
FORECAST VALID 20/0000Z 22.5N 114.5W
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 21/0000Z 23.7N 115.5W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
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 22/0000Z 24.5N 115.0W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
OUTLOOK VALID 23/0000Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.4N 111.4W
 
NEXT ADVISORY AT 18/0900Z
 
$$
FORECASTER BLAKE