Backward Trajectory Map in July 2012
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By using computer model analyses, the past 72-hour backward trajectory of the air mass reaching Hong Kong is estimated by the Observatory on a daily basis. The daily trajectories are compiled into the Monthly Backward Trajectory Map. The Monthly Map for July 2012 is now available on the following webpage:
In July 2012, the air masses reaching Hong Kong mostly originated from the south and southwest, indicating that the territory was mainly under the influence of the southwest monsoon. |
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Backward Trajectory of Air Mass reaching Hong Kong in July 2012
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For Daily or Seasonal Backward Trajectory Maps, please visit the following webpages: Daily Backward Trajectory Map
Seasonal Backward Trajectory Map
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