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What’s the difference between an Easterly and a Sou’Easterly? Sometimes a wet day in Auckland

A very slight shift in the wind flow over Auckland this morning has resulted in rain spreading across the city rather than mainly dry with just a couple showers. 

It probably seems odd to some that in the times of being able to forecast a tropical cyclone 15 days in advance that 12 hours in advance we sometimes can’t see a morning of rain coming to our largest city. So why is this? Well forecasts were quite clear rain was going to fall around eastern parts of the North Island today but Auckland was supposed to have a bit more of a breezy sou’easter (like we had on Friday which produced a very warm day with plenty of sun and high cloud). 

However winds this morning around Auckland have shifted a little more easterly and this has redirected offshore wet weather into the city. The shift in wind flow is incredibly small but it has a significant affect on Auckland’s weather. Wind currents from the South East can be a little complicated for Auckland.

If the sou’easters kick back in later it could clear the skies to dry and even sunny spells.

We wanted to explain how a forecast can sometimes be wrong – and in this case it’s due to a lack of SE wind and a bit more of an Easterly lean. If the sou’easter this morning was just a little stronger it would be mainly dry in Auckland.



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