Tropical Cyclone Regions


Tropical Cyclone Info
 

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Welcome to the Fiji Tropical Cyclone page of Hurricane Alley

The information source used for the graphs presented on this page is the "Best Track" files from the Joint Typhoon Warning Center. 


 Current Tropical Activity  --- 

Storm JTWC Forecast Fiji Forecast Fiji Intermediate New Zealand Met Forecast Computer Models Forecast
27P        

From the Joint Typhoon Warning Center


REGION  6 - FAQ--  FIJI
Areal coverage - area south of 0° and between 160°E and 125°W.

Names used for the Fiji area.
Season - October through April
Average number of tropical cyclones in a year -- 6.38

Average number of tropical cyclones in a "normal season" -- 6.14

Most active month -- January - average 1.61 storms/year

Most active period -- January through March - 67.51% of all storms

Most storms in a single season - 13 in 1998

Fewest storms in a single season -- 0 in 1945, 1 in 1971

The graphs below have been created using the "best track" data from 1945 to 2000 courtesy of JTWC. Click on the graph to enlarge.
Tropical Cyclones by Year Tropical Cyclones by Month Tropical Cyclone Probability by Month Tropical Cyclone Frequency Per Month

Cyclone rating designation process --  MSW Averaging Period: 10 minutes
     
Tropical Disturbance - distinct area of disturbed weather but
         usually with no well-defined low-level circulation apparent/
         regular advisories not issued/ usually corresponds to Dvorak
         ratings less than T2.0
      Tropical Depression - fairly well-defined low-level circulation/
         MSW less than 34 kts/ Dvorak rating usually T2.0 or weak T2.5
      Tropical Cyclone - MSW exceeding 33 kts/ Dvorak rating of
         strong T2.5/T3.0 or higher

    
  
    The TCWC at Nadi, Fiji, is the RSMC for the South Pacific basin
but the meteorological service of New Zealand (Wellington) issues warnings for systems that move (or very rarely form) south of latitude 25S.   The Fiji TCWC employs a 1-minute to 10-minute MSW conversion factor of 0.90 when adjusting the Dvorak scale.

TCWC = Tropical Cyclone Warning Center
MSW = Mean Surface Wind
JTWC = Joint Typhoon Warning Center

 

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