Image Department Meteorology
Meteorology_Home Weather_Server News/Seminars
People
Research
Academics Application Contact_Us

Hawaiian_Weather
US_Mainland_Weather
Tropical_Weather
Satellite_Imagery
Radar_Imagery
Marine
Numerical_Models
LAPS
Forecasts
Observations
Archive
Links Disclaimer
Space
SOEST_Home
University_of_Hawaii_Home

 340 
 WTNT23 KNHC 151435
 TCMAT3
 TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER  13
 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
 1500 UTC FRI SEP 15 2006
  
 TROPICAL STORM CENTER LOCATED NEAR 15.8N  41.4W AT 15/1500Z
 POSITION ACCURATE WITHIN  30 NM
  
 PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT  11 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
 MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
 50 KT....... 25NE  25SE   0SW  25NW.
 34 KT....... 90NE  45SE  20SW  90NW.
 12 FT SEAS.. 90NE  45SE   0SW  90NW.
 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 15.8N  41.4W AT 15/1500Z
 AT 15/1200Z CENTER WAS LOCATED NEAR 15.5N  40.9W
  
 FORECAST VALID 16/0000Z 16.6N  43.1W
 MAX WIND  60 KT...GUSTS  75 KT.
 50 KT... 30NE  30SE   0SW  30NW.
 34 KT...120NE  75SE  50SW 100NW.
  
 FORECAST VALID 16/1200Z 17.8N  45.0W
 MAX WIND  65 KT...GUSTS  80 KT.
 64 KT... 20NE  20SE  20SW  20NW.
 50 KT... 30NE  30SE  30SW  30NW.
 34 KT...120NE  75SE  50SW 100NW.
  
 FORECAST VALID 17/0000Z 18.7N  46.5W
 MAX WIND  70 KT...GUSTS  85 KT.
 64 KT... 25NE  25SE  25SW  25NW.
 50 KT... 60NE  50SE  30SW  50NW.
 34 KT...150NE 100SE  75SW 120NW.
  
 FORECAST VALID 17/1200Z 19.5N  48.0W
 MAX WIND  75 KT...GUSTS  90 KT.
 50 KT... 60NE  50SE  30SW  50NW.
 34 KT...150NE 100SE  75SW 120NW.
  
 FORECAST VALID 18/1200Z 21.5N  50.5W
 MAX WIND  85 KT...GUSTS 105 KT.
 50 KT... 60NE  50SE  30SW  50NW.
 34 KT...150NE 100SE  75SW 120NW.
  
 EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
 ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
  
 OUTLOOK VALID 19/1200Z 23.5N  53.0W
 MAX WIND  85 KT...GUSTS 105 KT.
  
 OUTLOOK VALID 20/1200Z 26.0N  55.0W
 MAX WIND  85 KT...GUSTS 105 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.8N  41.4W
  
 NEXT ADVISORY AT 15/2100Z
  
 $$
 FORECASTER AVILA
  
  
 
Return to the Tropical Systems Page for HELENE

Back to main Tropical Weather page




This page is maintained voluntarily by the MKWC and the UHMET faculty, staff, and students.
It was last modified on: Thu, Jul 23 2020 - 2003 UTC
Send comments to: Ryan Lyman