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Auckland and surrounds have a thundery afternoon

Auckland and the surrounding areas have been struck by thunderstorms this afternoon and they are still continuing, hail has fallen in quite a few areas along with torrential rain. A funnel cloud was sighted by Brian Hamilton near the Bombay Hills south of Auckland this afternoon at 3.40pm.

These storms are the result of a combination of factors. Cold air high up in the atmosphere and warm temperatures at the surface help to create an imbalance, which results in unstable conditions. Finally, converging winds at the surface under these clouds helps to trigger these storms and creates updrafts or air moving upwards in other terms.

”The cold upper air is the culprit leading to hail about the region today”, says forecaster Aaron Wilkinson.

Thunderstorms with heavy rain should push into the Waikato later this afternoon and evening as an area of convergence moves into the district then conditions will ease overnight.

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Cameron on 13/11/2012 4:35am

Nothing out west in New Lynn at all, not even a rumble. Just a beautiful warm sunny day:)

WW Forecast Team on 13/11/2012 6:16am

Thunderstorms can be like that, a bit hit and miss. Some will be cursing your good luck at having a nice sunny day! lol.


Matthew on 13/11/2012 4:32am

Starting to hear rolls of thunder on the Hauraki Plains… we hardly ever get decent thunderstorms here so I’m hoping this’ll be a good ‘un!

WW Forecast Team on 13/11/2012 6:18am

Nice! The area certainly looks be getting a hammering right now.


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