Tuesday, April 15, 2014

Isohyets

Rainfall Map For October 2012 (isohyets are in millimetres)
http://www.hko.gov.hk/wxinfo/pastwx/mws201210.htm

Isohyets are used in forecasting weather, particularly rainfall.  Isohyet lines are lines on a map connecting points that have had the same amount of rainfall in a given period.  This picture is an extract from Meteorological Observations in Hong Kong for 2012.  Isohyets are helpful in predicting rain patterns.

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