Althea_1971_track.png


Summary

Description
English: Cyclone Althea (1971) track. Uses the color scheme from the Saffir-Simpson Hurricane Scale . The points show the location of each storm at six-hour intervals. The colour 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.
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 Created using Wikipedia:WikiProject Tropical cyclones/Tracks . The background image was created by NASA . The tracking data is from the Joint Typhoon Warning Center 's best track database
Author Nilfanion

Licensing :

Public domain This work has been released into the public domain by its author, Nilfanion . This applies worldwide.
In some countries this may not be legally possible; if so:
Nilfanion grants anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.

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