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

 670 
 WTPZ45 KNHC 252044
 TCDEP5
 HURRICANE ILEANA DISCUSSION NUMBER  18
 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP102006
 200 PM PDT FRI AUG 25 2006
  
 IN ADDITION TO WARMING CLOUDS TOPS...ILEANA IS BEGINNING TO LOSE ITS
 STRUCTURE WITH THE EYE BECOMING GRADUALLY LESS DEFINED. THE
 INITIAL INTENSITY IS SET AT 65 KT BASED AN AVERAGE OF THE DVORAK T
 AND CURRENT INTENSITY NUMBERS. THERE IS NO CHANGE IN THE INTENSITY
 FORECAST REASONING. ILEANA IS EXPECTED TO STEADILY WEAKEN AS IT
 MOVES OVER COOLER SSTS AND ENTRAINS DRY STABLE AIR. THE CYCLONE IS
 EXPECTED TO BECOME A REMNANT LOW BY 72 HR AND BE DISSIPATED BY
 120 HR.
 
 ILEANA HAS WOBBLED A LITTLE TO THE RIGHT OF THE PREVIOUS TRACK
 YIELDING A SHORT-TERM MOTION OF ABOUT 320/5. A LONGER TERM MOTION
 OF 305/5 IS USED FOR THE INITIAL MOTION ESTIMATE.  IGNORING THE GFS
 AND ITS INFLUENCE ON THE CONSENSUS-BASED TRACK GUIDANCE INDICATES
 THAT ILEANA SHOULD BEGIN TO TURN WEST AS IT BECOMES INCREASINGLY
 SHALLOW OVER THE NEXT 2 DAYS.  THE OFFICIAL FORECAST FOLLOWS THE
 SAME GENERAL REASONING AND IS SHIFTED A LITTLE TO THE NORTH OF THE
 PREVIOUS ADVISORY IN LINE WITH THE SHALLOW BAM MODEL.
  
 THE 12 FT SEAS RADII WERE ADJUSTED OUTWARD IN THE NORTHEASTERN
 QUADRANT BASED ON REPORTS FROM SHIP DGSR.  THE 34 KT WIND RADII
 WERE CONTRACTED IN ALL QUADRANTS BASED ON THE LAST QUIKSCAT DATA. 
  
 FORECAST POSITIONS AND MAX WINDS
  
 INITIAL      25/2100Z 22.0N 117.2W    65 KT
  12HR VT     26/0600Z 22.4N 117.9W    55 KT
  24HR VT     26/1800Z 22.8N 119.1W    45 KT
  36HR VT     27/0600Z 23.0N 120.4W    35 KT
  48HR VT     27/1800Z 23.0N 122.0W    30 KT
  72HR VT     28/1800Z 23.0N 124.5W    25 KT...REMNANT LOW
  96HR VT     29/1800Z 23.0N 127.0W    20 KT...REMNANT LOW
 120HR VT     30/1800Z...DISSIPATED
  
 $$
 FORECASTER RHOME/BEVEN
  
 
Return to the Tropical Systems Page for ILEANA

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