Bookmark and Share
Tracking Cyclones: Frequency
Related                                   View Slideshow
Tropical Storm Gaston and weather disturbance Invest 99L in the Atlantic Ocean
GFS Model Forecasts Moisture over the Atlantic
GOES East Watches Tropical Storm Fiona in the Central Atlantic
Remnants of Javier Enhance the Monsoon in the Desert Southwest
Aug 23, 2013
Tracking Cyclones: Frequency

Tropical cyclones form in most ocean basins – some more frequently than others. Before the advent of the satellite era, hurricane tracks were constructed from ship reports – and although reliable, some storms were probably missed. Geostationary satellites, such as NOAA’s GOES, revolutionized the ability of meteorologists to track cyclones. Not a single storm is missed as these eyes in the sky provide consistent scans of the globe every few minutes. NOAA’s National Climatic Data Center has assembled the best track data for 11,967 tropical cyclones into a single database, called IBTrACS, with information from 1842 to 2012. This image shows the output of that data. By coloring how many times any storm track overlapped another, certain patterns arise in the density of storms affecting a given area. Cyclone tracks overlapped the most in the western Pacific and Bay of Bengal (India), where typhoon season never ends since waters are always warm enough to sustain cyclone formation. The frequency of track overlaps is much lower in the Western Hemisphere than in the Eastern Hemisphere, however, a related map showing storm intensity seen here shows an interesting contrast.

Browse all of the historical hurricane tracks here.

Referral:IBTrACS data from NOAA NCDC
Terms of Use:Please credit NOAA
Keywords:cyclone, hurricane, typhoon, NCDC, 2013.08.23 logo
NOAA logo
Website Owner: NOAA Environmental Visualization Lab Contact Us