The Great Southern Route : 2010 - 2011
WEATHER ROUTING 056 | GSR itself remains quasi-stationary throughout the year. However, the trough does have a tendency to be a few degrees farther north in the summer, by numerous showers and squalls moving westward from Sumatra and western Indonesia, and changes little in strength, while the trough THE NORTHERN INDIAN OCEAN: This region is marked by two distinct "seasons", both monsoonal seasons (as an aside, it is often a common misconception that monsoons are defined as weather regimes that are strictly related to heavy rain and moisture, but in fact, the word monsoon actually refers to a seasonal change in dominant wind direction). The northeast monsoon develops during late October and continues through early March, gradually becoming more intermittent. Later in the year, typically in April, we begin to see more intermittent S-SW winds associated with the Southwest Monsoon, though the Southwest Monsoon season really is in "full swing" during the period from mid/late May through early October. Several weather features are responsible for the development and transition of the monsoons. The equatorial trough (low pressure) climatologically resides from 05N to 10S and from 50E eastward across the southern Maldives to Sumatra and western Indonesia. This trough is usually defined General Weather Conditions in Northern Indian Ocean By Amanda Delaney, Mark Neiswender and Brian Whitley of Weather Routing, Inc.
2008 - 2009
2013 - 2014