Weather Warning


SEVERE WEATHER WARNING.
ISSUED BY MetService AT 10:40am 24-May-2016
URGENT - IMMEDIATE BROADCAST IN: Bay Of Plenty, Taranaki, Tararua,
Wairarapa, Kapiti Horowhenua

PERIODS OF HEAVY RAIN FOR EASTERN BAY OF PLENTY, MOUNT TARANAKI AND
THE TARARUA RANGE
A large complex trough, with several embedded fronts and low centres,
is slowly moving eastwards across New Zealand today and Wednesday.
The trough is expected to bring rain to much of the country. An
embedded cold front moves east over northern New Zealand this
afternoon and evening, bringing a burst of heavy rain, with squally
thunderstorms about northern New Zealand.
A few bands of heavy showers with squally thunderstorms in the very
unstable airmass are expected during Wednesday for central and
northern New Zealand. The largest amount of rain is expected about
the ranges of the North Island.
From late today (Tuesday) until tomorrow evening, 130 to 180mm of
rain is likely to accumulate about Mt Taranaki, 120 to 150mm about
the ranges of eastern Bay of Plenty and about 150mm about the Tararua
Range.
People, especially trampers, are advised that this amount of rain
could cause rivers and streams to rise rapidly, with surface flooding
and slips possible.
FOR THE LATEST WEATHER AND FORECAST CHARTS PLEASE GO TO
http://metservice.com
MORE DETAILED INFORMATION FOR EMERGENCY MANAGERS AND TECHNICAL USERS
FOLLOWS.
______________________
HEAVY RAIN WARNING
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AREA/S AFFECTED: THE RANGES OF EASTERN BAY OF PLENTY
FORECAST:
A period of heavy rain with a cold front is expected this evening,
then more heavy showers with possible thunderstorms during Wednesday.
In a 27 hours from 6pm Tuesday to 9pm Wednesday, 120 to 150mm is
likely to accumulate. Peak intensities 15 to 25mm per hour.
AREA/S AFFECTED: MT TARANAKI
FORECAST:
A period of heavy rain is expected from this afternoon to early this
evening, followed heavy showers and squally thunderstorms duirng
Wednesday. In 27 hours from 3pm today (Tuesday) to 6pm Wednesday,
expect 130 to 180mm to accumulate. Peak intensities 20 to 30mm per
hour.
AREA/S AFFECTED: TARARUA RANGE
FORECAST:
A brief period of heavy rain is expected late this afternoon to early
evening, followed heavy showers and possible thunderstorms on
Wednesday. In 25 hours from 5pm today (Tuesday) to 6pm Wednesday,
expect 110 to 150mm to accumulate. Peak intensities 15 to 25mm per
hour.
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Tuesday 24-May-2016
Forecast prepared by: Fulong Lu
For further information after 1pm Tuesday 24 May 2016 contact Duty
Forecaster Rochelle Fleming
A service provided through a contract with the Crown

Short Range Forecast

201605252359

For all of the North Island, except Gisborne, Hawkes Bay and Wairarapa: Showers, some heavy with squally thunderstorms and hail, easing tomorrow evening.
Gisborne, Hawkes Bay and Wairarapa: Mainly fine. However, brief rain this evening and isolated showers tomorrow.
Marlborough, Nelson and Buller: Showers, with isolated squally thunderstorms and hail, easing tomorrow afternoon and clearing in Marlborough and much of Nelson by evening.
Westland: A few showers in the north, spreading to most places tomorrow.
Canterbury: Cloud increasing and scattered rain developing this evening, clearing tomorrow.
Otago and Southland excluding Stewart Island: Fine today. Scattered rain developing about the south coast tomorrow morning and spreading north later.
Fiordland and Stewart Island: A few showers, becoming frequent and heavier tomorrow.
Chatham Islands: Occasional rain.

Extended Forecast

201605272359

Thursday: North Island, showers in most places, but mainly fine in the east from Gisborne to Wairarapa. South Island, rain or showers in the south and west, with the odd shower elsewhere.
Friday: A few showers, but rain spreading onto the western North Island and northern South Island at night.
Saturday: North Island, periods of rain spreading eastwards, with some heavy and thundery falls in the west. South Island, rain spreading southwards, with some heavy falls possible in the north and east. Mainly fine or becoming mainly fine in Westland and Fiordland.
Chatham Islands: Cloudy periods and a few showers, with northwest winds on Thursday. Showers and westerlies on Friday, strong winds for a time. Rain with possible heavy falls developing on Saturday. Westerlies turning northerly and possibly rising to gale for a time.

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