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Weather Warning


SEVERE WEATHER WARNING.
ISSUED BY MetService AT 11:37am 30-Jul-2016
URGENT - IMMEDIATE BROADCAST IN: Hawkes Bay, Tararua, Wairarapa,
Kapiti Horowhenua, Wellington, Fiordland, Southland, Taihape,
Taumarunui

SEVERE WESTERLY GALES FOR PARTS OF THE NORTH ISLAND. HEAVY RAIN FOR
THE TARARUA RANGE. HEAVY SNOW FOR TAUMARUNUI, TAIHAPE, FIORDLAND AND
SOUTHLAND.
Updated to include gusts of 130km/h in Central Hawkes Bay and the
Tararua district.
On Saturday, a cold front moves rapidly north over the country,
bringing westerly gales to parts of the North Island, followed by
colder conditions about the lower South Island, with snow to low
levels.
Severe westerly gales are expected to return to central Hawkes Bay
and the Tararua District for a time Saturday evening and Sunday
morning, gusting 130km/h in exposed places.
Heavy rain is expected to affect the Tararua Range during Saturday,
with up to 90mm likely over a 9 hour period.
In addition, heavy snow is expected about Fiordland and Southland
from Saturday evening to Sunday morning, with 10 to 20cm expected
above 200 metres. Please note, that Taumarunui and Taihape has now
been added to this warning, with about 10cm of snow likely to
accumulate above 700 metres during Sunday morning.
Note, that heavy snow can cause major distruption to traffic, with
blizzard conditions likely in exposed areas.
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MORE DETAILED INFORMATION FOR EMERGENCY MANAGERS AND TECHNICAL USERS
FOLLOWS.
______________________
HEAVY RAIN WARNING
______________________
AREA/S AFFECTED: THE TARARUA RANGE
FORECAST:
A period of heavy rain is expected this afternoon. In the 6 hours
from midday to 6pm Saturday expect 50 to 60mm to accumulate. Peak
intensities 10 to 15mm per hour.
FREEZING LEVEL: 1800 metres.
______________________
HEAVY SNOW WARNING
______________________
AREA/S AFFECTED: FIORDLAND AND SOUTHLAND
FORECAST:
Showers are expected to turn to snow above 200 metres this afternoon
and evening, then to near sea level tonight. In the 12 hours from 9pm
Saturday to 9am Sunday expect 10 to 20cm to accumulate above 200
metres, especially in Southern Fiordland, with lesser amounts to near
sea level.
FREEZING LEVEL: Lowering to 500 metres Saturday evening, but to 300
metres in heavier showers.
AREA/S AFFECTED: TAIHAPE AND TAUMARUNUI
FORECAST:
Showers are expected to turn to snow above 600 metres during Sunday
morning. In the 6 hours from 6am to noon Sunday, expect about 10cm of
snow to accumulate above 700 metres, with lesser amounts down to 600
metres.
_______________________
STRONG WIND WARNING
_______________________
AREA/S AFFECTED: HAWKES BAY SOUTH OF NAPIER AND THE TARARUA DISTRICT
FORECAST:
Severe westerly gales, gusting 130km/h in exposed places, are
expected to develop Saturday evening and ease early Sunday morning.
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Saturday 30-Jul-2016
Forecast prepared by: Mads Naeraa-Spiers
For further information after 2pm contact Duty Forecaster Erick
Brenstrum
A service provided through a contract with the Crown

Short Range Forecast

201607312359

Northland to Kapiti, including Bay of Plenty and the central high country: Occasional rain or showers, with thunderstorms at times in the west. Snow to 600 metres south of Taupo tonight and tomorrow morning, affecting higher roads.
Gisborne, Hawkes Bay and Wairarapa: Occasional rain in Wairarapa, and brief falls elsewhere this evening. Showers and long fine spells tomorrow. Severe westerly gales south of Napier overnight.
Wellington, Marlborough and Nelson: Rain, with possible thunderstorms in the west, clearing this evening. Mostly fine tomorrow, but showers about western Nelson.
Canterbury: Showers today, especially inland. Mostly fine tomorrow, but showers about Banks Peninsula.
Buller, Westland and Fiordland, also Otago and Southland: Occasional rain or showers, with thunderstorms in the south and west, easing later tomorrow. Snow lowering to near sea level in the south for a time overnight, and 300 metres elsewhere.
Chatham Islands: Rain overnight, then showers with hail tomorrow.

Extended Forecast

201608022359

Monday: North Island, rain developing for most areas, briefly heavy and possibly thundery in the north, but only brief rain for Gisborne and Hawkes Bay. South Island, rain at times in the west, a period of rain for Nelson and Marlborough, and a few showers elsewhere.
Tuesday: North Island, a few showers in the east. Showers to start the day in the west, but becoming fine later. South Island, mainly fine, but early showers in the south and about Banks Peninsula.
Wednesday: North Island, a few showers developing in the north and in Wellington, and mainly fine elsewhere. South Island, rain developing in the west, and high cloud increasing in the east.
Chatham Islands: Occasional showers for Monday, Tuesday, and Wednesday, with fresh westerlies turning southerly on Tuesday.

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