November gale

Written by Chris Webster
November 2009

We've just had some very strong winds over NZ, so I'm writing this short post to give some background to it. First of all, check out these peak northwesterly wind speeds from the morning of Wednesday 4 November:

 mean wind (including gusts and lulls) strongest gust South West Cape (Stewart Island) 143 km/h183 km/hCastlepoint (Wairarapa coast)109 km/h161 km/hPuysegur Point (bottom of Fiordland)100 km/h144 km/h

Wellington Rainbow

Written by Chris Noble, Meteorologist

With a superb view over Wellington and the harbour from the MetService building in Kelburn, we're often (and quite appropriately) treated to some fantastic weather related vistas. Here's a little sample, snapped on Monday 26 October 2009 as a few light showers passed over the city in a northerly flow late afternoon.

The Structure of Lows - part II

Written by Chris Webster, Meteorologist

In my previous blog post I pointed out that tropical lows and cyclones don't have fronts like the lows we're used to around NZ, but rather, a core of warm air near the centre. I'd like to follow up by further contrasting tropical and mid-latitude lows, and looking a bit more closely at tropical cyclones and how they can affect our weather in New Zealand.