September 19, 2011

An intensifying trough over the Tasman Sea is expected to bring a brief bout of severe weather today to parts of Northland and north Auckland.

MetService Weather Ambassador Bob McDavitt said “An area of active thunderstorms is expected to sweep across regions north of the Harbour Bridge this afternoon and early evening. These thunderstorms should bring a period of heavy rain,hail and squally winds with gusts 110km/h or more. There is also a possibility of small tornadoes.”

Meanwhile, a cold southerly change could bring a few thunderstorms to areas from north Canterbury to the southern North Island later today, and snow to the central North Island high country and higher parts of the Kaweka Ranges and Te Urewera National Park tonight.

On Tuesday in Gisborne and northern Hawkes Bay, strong winds, cold rain,and snow above about 700 metres should make conditions feel wintry and are likely to put stress on vulnerable livestock.

For the latest updates on this developing severe weather scenario, please check metservice.com or m.metservice.com on your mobile.

For further information please contact:
Bob McDavitt Weather Ambassador (09)377 4831
Daniel Corbett Weather Ambassador (04)4700 754

MetService issues Warnings, Watches and Outlooks for severe weather over New Zealand.
Warnings are about taking action:
* When severe weather is imminent or is occurring
* Issued only when required
* Recommendation: ACT
Watches are about being alert:
* When severe weather is possible, but not sufficiently imminent or certain for a Warning to be issued
* Issued only when required
* Recommendation: BE READY
Outlooks are about looking ahead:
* To provide advance information on possible future Watches and/or Warnings
* Issued routinely once or twice a day
* Recommendation: PLAN

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