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Weather Warning


SEVERE WEATHER WARNING.
ISSUED BY MetService AT 7:44pm 01-May-2016
URGENT - IMMEDIATE BROADCAST IN: Fiordland, Westland

BURST OF HEAVY RAIN FOR FIORDLAND AND THE RANGES OF WESTLAND ON
MONDAY.
An active front is expected to move northeast across the South Island
during Monday, preceded by a moist north to northwest flow. A period
of heavy rain is expected in the west, with the largest accumulations
likely to be about northern Fiordland and the ranges of Westland,
where 120 to 180mm could accumulate in 12 to 18 hours.
People are advised that streams and rivers are likely to rise
rapidly, and surface flooding and slips are 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
______________________
AREA/S AFFECTED: FIORDLAND FROM DOUBTFUL SOUND NORTHWARDS
FORECAST:
Rain is expected to become heavy early Monday morning and should ease
Monday afternoon. Between 3am and 3pm Monday, expect 80 to 120mm to
accumulate. Peak intensities of 15 to 25mm per hour from late Monday
morning, and thunderstorms are possible.
FREEZING LEVEL: 3000 metres
AREA/S AFFECTED: THE RANGES OF WESTLAND FROM OTIRA SOUTHWARDS
FORECAST:
Rain is expected to become heavy Monday morning and should ease from
the south Monday evening. In the 18 hours from 5am to 11pm Monday,
expect 120 to 180mm to accumulate. Peak intensities of 20 to 30mm per
hour Monday afternoon and evening, and thunderstorms are possible.
FREEZING LEVEL: 3200 metres
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00am Monday 02-May-2016
Forecast prepared by: Erick Brenstrum
A service provided through a contract with the Crown

Short Range Forecast

201605022359

Northland to Taranaki, also Coromandel, Bay of Plenty and Taupo: Cloudy periods with isolated showers.
Gisborne and Hawkes Bay: Fine, with variable high cloud.
Wanganui to Wellington, also Taihape: Cloudy periods, and a few showers about the Kapiti Coast.
Nelson, Marlborough and Canterbury: Fine at first, but high cloud increasing, with scattered rain developing in the west later.
Buller, Westland and Fiordland: A few showers. However, rain in the south gradually spreading north, with heavy falls and possible thunderstorms. Rain than easing to showers about Fiordland and southern Westland later.
Otago and Southland: Scattered rain developing in the west this morning, briefly spreading further east this afternoon and then clearing and becoming fine.
Chatham Islands: Mostly cloudy.

Extended Forecast

201605052359

Tuesday: North Island, fine and cloudy areas. A few showers for Taranaki, Kapiti and Wellington. South Island, a few showers in the north and west, clearing in the north. Sunny breaks and variable high cloud elsewhere.
Wednesday: North Island, mainly fine, but a few showers for Taranaki, Kapiti and Wellington. Gale northerlies for Wellington. South Island, high cloud in the east, with scattered late rain in the south. Rain setting in west of the divide, possibly heavy.Northerlies rising to gale in exposed places.
Thursday: North Island, becoming cloudy and showers developing in central and southern areas. Fine in the north. South Island, rain for most places clearing, becoming fine.
Friday: Chatham Islands: Cloudy periods and the odd shower on Tuesday and Wednesday, with northwesterlies changing southwest Tuesday, then dying. Northerlies developing Thursday, then brief rain later in the day with winds changing southwest again.

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