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File:Walter-Gregoara 1990 track.png

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Summary

Description
English: Track map of Intense Tropical Cyclone Walter-Gregoara of the 1989–90 South-West Indian Ocean cyclone season. The points show the location of the storm at 6-hour intervals. The color represents the storm's maximum sustained wind speeds as classified in the Saffir-Simpson Hurricane Scale (see below), and the shape of the data points represent the nature of the storm, according to the legend below.
 
Tropical depression (≤38 mph, ≤62 km/h)
 
Tropical storm (39–73 mph, 63–118 km/h)
 
Category 1 (74–95 mph, 119–153 km/h)
 
Category 2 (96–110 mph, 154–177 km/h)
 
Category 3 (111–129 mph, 178–208 km/h)
 
Category 4 (130–156 mph, 209–251 km/h)
 
Category 5 (≥157 mph, ≥252 km/h)
 
Unknown

Storm type

▲ Extratropical cyclone / Remnant low / Tropical disturbance / Monsoon depression
Date
Source The background image is from NASA. Tracking data is from BoM, Neumann, JTWC, and Reunion [1]
Author Supportstorm

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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1 January 2013

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Date/TimeThumbnailDimensionsUserComment
current08:02, 1 January 2013Thumbnail for version as of 08:02, 1 January 20132,700 × 1,669 (106 KB)Supportstorm== {{int:filedesc}} == {{Information |Description={{en|Track map of Intense Tropical Cyclone Walter-Gregoara of the [[w:1989–90_South-West_Indian_Ocean_cy...

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