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 016 
 WTPZ22 KNHC 170848
 TCMEP2
  
 TROPICAL STORM NORMA FORECAST/ADVISORY NUMBER  12
 NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172017
 0900 UTC SUN SEP 17 2017
  
 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
  
 NONE.
  
 SUMMARY OF WATCHES AND WARNINGS IN EFFECT... 
  
 A TROPICAL STORM WARNING IS IN EFFECT FOR...
 * LOS BARRILES TO TODOS SANTOS
  
 A TROPICAL STORM WATCH IS IN EFFECT FOR...
 * NORTH OF TODOS SANTOS TO CABO SAN LAZARO
  
 A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
 EXPECTED SOMEWHERE WITHIN THE WARNING AREA... IN THIS CASE WITHIN 24
 HOURS.
  
 A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
 POSSIBLE WITHIN THE WATCH AREA... IN THIS CASE WITHIN 36 HOURS.
  
 TROPICAL STORM CENTER LOCATED NEAR 20.5N 110.4W AT 17/0900Z
 POSITION ACCURATE WITHIN  15 NM
  
 PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT   4 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
 MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
 34 KT....... 80NE  60SE  60SW  70NW.
 12 FT SEAS..120NE  90SE  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 20.5N 110.4W AT 17/0900Z
 AT 17/0600Z CENTER WAS LOCATED NEAR 20.3N 110.3W
  
 FORECAST VALID 17/1800Z 21.1N 110.7W
 MAX WIND  40 KT...GUSTS  50 KT.
 34 KT... 80NE  60SE  60SW  70NW.
  
 FORECAST VALID 18/0600Z 21.7N 111.3W
 MAX WIND  40 KT...GUSTS  50 KT.
 34 KT... 70NE  60SE  60SW  60NW.
  
 FORECAST VALID 18/1800Z 22.1N 112.1W
 MAX WIND  35 KT...GUSTS  45 KT.
 34 KT... 60NE  60SE  60SW  60NW.
  
 FORECAST VALID 19/0600Z 22.4N 113.0W
 MAX WIND  35 KT...GUSTS  45 KT.
 34 KT... 50NE  50SE  50SW  50NW.
  
 FORECAST VALID 20/0600Z 22.9N 114.3W
 MAX WIND  30 KT...GUSTS  40 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 21/0600Z 23.5N 114.5W...POST-TROP/REMNT LOW
 MAX WIND  25 KT...GUSTS  35 KT.
  
 OUTLOOK VALID 22/0600Z 24.0N 114.0W...POST-TROP/REMNT LOW
 MAX WIND  25 KT...GUSTS  35 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.5N 110.4W
  
 NEXT ADVISORY AT 17/1500Z
  
 $$
 FORECASTER ZELINSKY
  
  
 
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