Big thunderstorms are hitting parts of the North Island this
afternoon and bringing a chance of flooding and hail,
The forecaster said the Coromandel Peninsula near Thames was
being bit by a "major'' thunderstorm this afternoon.
In Auckland, a significant afternoon shower was rapidly
building northwest of the city and was expected to develop
into a thunderstorm.
South Auckland, and the area from Howick to the Hunua Ranges
are expected to bear the brunt of thunderstorms this
afternoon, with possible flash flooding and lightning strikes
in some areas, according to WeatherWatch.
Thunderstorms were now forming across the southeast and south
A patchy line of showers and large clouds could bring
downpours which were heavy enough to to cause localised flash
flooding and lightning strikes, WeatherWatch said.
"Hail is also possible along with funnel clouds. Heavy
showers and isolated thunderstorms will continue to bubble up
this afternoon around Auckland and much of the upper North
Island. However, around these showers it should remain mostly
sunny, hot and dry,'' WeatherWatch said.
WeatherWatch said most of the North Island had a risk of
significant thunderstorms which could lead to localised
surface and flash flooding, hail and even funnel clouds.
Head weather analyst Philip Duncan said tropical-like
afternoon heat showers could form rapidly.
"If you're watching the clouds today you'll be able to see
where the biggest cloud build-ups occur. The one's that look
a bit ominous probably are.
"If a thunderstorm forms near you then the best place to be
is indoors - and remain there until the thunderstorm