Samoa under the influence of trade winds

The Samoa Meteorology Division has stated that wind strength may decrease towards the weekend. 

In a response to Samoa Observer email queries, the Assistant Chief Executive Officer (A.C.E.O)  of the Meteorology Division Afaese Dr. Luteru Tauvale stated that Samoa is currently under the influence of the trade winds. 

“There is an area of low level clouds directed over Samoa from the southeast and they may bring moderate falls by this evening [Tuesday],” Afaese said.

“There is a Heavy Rain Advisory valid for all of Samoa and is likely to be canceled later today and the main axis of the convergence zone has migrated to the west and away from the islands.”

He said that for the marine notice, a warning is maintained for southern waters and an advisory for the northern waters. 

He explained that the trade winds are persisting which has generated waves and swells exceeding threshold values. Hence, advisories will be in place for another 24-48 hours.

“The winds are fresh and strong, that will mainly impact districts in the south, east and highlands of larger islands," he said.

“Wind strength may decrease from tomorrow towards the weekend. However, there is still a risk of moderate rainfall from the moist and unstable wind-flow.”

According to the Samoa Meteorology Division's Forecast Discussion, from Tuesday through Friday a high pressure system will maintain fresh to strong southeast winds over the forecast zone until Wednesday, which is expected to migrate further east by Thursday along with the strong winds.

The Forecast Discussion also states that it is anticipated for winds to become gentle by mid-week and turn Northeast, and another high pressure system to the southwest is predicted to enter the region by the end of the week and reintroduce the southeast winds with trade winds weather in the latter part of the outlook period.   

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