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Weather Warning


SEVERE WEATHER WARNING.
ISSUED BY MetService AT 9:35am 27-Jul-2016
URGENT - IMMEDIATE BROADCAST IN: Fiordland, Westland, Tararua,
Wairarapa, Manawatu, Kapiti Horowhenua, Wellington

HEAVY RAIN FOR WESTERN SOUTH ISLAND AND TARARUA RANGE OVERNIGHT AND
THURSDAY MORNING. SEVERE GALE NORTHWESTERLIES FOR WELLINGTON THURSDAY
MORNING.
A front is expected to cross the South Island overnight and central
New Zealand Thursday morning. A period of heavy rain is forecast for
the west of the South Island and also the Tararua Range where 60 to
90mm is possible in 12 hours or less. Rain of this intensity will
cause streams and rivers to rise rapidly and may cause slips, surface
flooding and hazardous driving conditions. Also, severe gale
northwest winds are forecast for Wellington overnight and early
Thursday morning. Winds of this strength may damage trees lift roofs
and cause hazardous driving conditions, particularly for high-sided
vehicles and motorbikes.
FOR THE LATEST WEATHER AND FORECAST CHARTS PLEASE GO TO
http://metservice.com
MORE DETAILED INFORMATION FOR EMERGENCY MANAGERS AND TECHNICAL USERS
FOLLOWS.
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HEAVY RAIN WARNING
______________________
AREA/S AFFECTED: RANGES OF FIORDLAND
FORECAST:
Heavy rain is expected to develop this evening and ease tomorrow
morning. In the 12 hours from 4pm today to 4am Thursday 70 to 90mm of
rain is forecast. Heaviest falls 20 to 30mm per hour likely between
11pm and 2am.
AREA/S AFFECTED: RANGES OF WESTLAND SOUTH OF OTIRA
FORECAST:
Heavy rain is expected to develop this evening and ease tomorrow
morning. In the 12 hours from 9pm Wednesday to 9am Thursday 70 to
90mm is forecast. Heaviest falls 20 to 30mm per hour likely between
midnight and 3am.
AREA/S AFFECTED: TARARUA RANGE
FORECAST:
Rain is expected to become heavy tomorrow morning. In 8 hours from
6am to 2pm Thursday 60 to 90mm is forecast. Heaviest falls may reach
20mm per hour.
_______________________
STRONG WIND WARNING
_______________________
AREA/S AFFECTED: WELLINGTON
FORECAST:
Northwest winds are forecast to reach severe gale force with gusts
120km/h or more in exposed places from around midnight tonight to
mid-morning Thursday.
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Wednesday 27-Jul-2016
Forecast prepared by: Erick Brenstrum
A service provided through a contract with the Crown

Short Range Forecast

201607282359

Northland to Waikato, also Coromandel Peninsula, Bay of Plenty and Taupo: A few showers today. Periods of rain tomorrow, possibly briefly heavy.
Gisborne and Hawkes Bay: Mostly fine. Isolated showers tomorrow.
Waitomo to Wellington, including Taumarunui and Taihape, also Wairarapa: Periods of rain tomorrow, heavy at times with possible squally thunderstorms. Severe northwest gales in Wellington tomorrow morning.
Nelson and Marlborough: Occasional showers tomorrow.
In the west from Buller to Fiordland, also Stewart Island: Rain spreading northwards today, heavy falls in the south. Possible squally thunderstorms with hail tomorrow. Snow lowering to 400 metres in Fiordland tomorrow night.
The remainder of Southland to Canterbury: Mostly fine with high cloud. However, occasional showers in the west, one or two spreading further east. Showers becoming more widespread in Southland, Clutha and Dunedin later tomorrow, with snow lowering to 400 metres in Southland at night.
Chatham Islands: Occasional rain.

Extended Forecast

201607302359

Friday: Showers in the west and south, may turn to rain for a time, fine in the east. Snow possible down to 200 metres at first in the far south.
Saturday: North Island, a period of rain for most places with heavy falls possible in the west. South Island, rain with some heavy and possibly thundery falls in the west. Showers elsewhere, with snow to low levels in the far south.
Sunday: Showers in the west and south, mostly fine in the east. Snow down to low levels in the far south.
Chatham Islands: Periods of rain, and westerlies rising to gale for a time on Friday. Showers, mainly morning and evening on Saturday as southwest winds turn strong northwest. On Sunday, rain at times with gale southwesterlies.

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