SEVERE WEATHER WARNING.
ISSUED BY MetService AT 11:11am 18-Dec-2014
URGENT - IMMEDIATE BROADCAST IN: Westland
HEAVY RAIN FOR THE RANGES OF WESTLAND FROM FRIDAY EVENING TO SATURDAY
A strong, moist northerly flow and rain is forecast to spread over
the South Island late Friday and persist through much of Saturday,
before easing Saturday night with the passage of the front. Heavy
rainfalls are expected about the ranges of Westland from Friday
evening through to late Saturday, with 150 to 200mm likely during
People in this area, especially trampers, are warned to look out for
rapidly rising rivers and streams. Surface flooding, slips and
hazardous driving conditions are also possible nearer the coast
during this time.
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HEAVY RAIN WARNING
AREA/S AFFECTED: WESTLAND SOUTH OF OTIRA
Rain is expected to become heavy Friday evening and ease from the
south late Saturday. In the 30 hours from 6pm Friday to midnight
Saturday, expect around 150mm of rain about the ranges, with 200mm
possible about higher slopes south of Franz Josef. During the same
time, 60 to 100mm of rain is possible nearer the coast. The heaviest
falls are expected during Saturday, when rates about the ranges could
reach 30mm per hour at times, especially in any thunderstorms.
FREEZING LEVEL: Around 3000 metres.
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Thursday 18-Dec-2014
Forecast prepared by: Andy Downs
For further information after 2pm contact Duty Forecaster Peter
A service provided through a contract with the Crown
Short Range Forecast
Northland to Waitomo, Coromandel, Bay of Plenty and the central high country: Today, occasional rain in Waitomo and about the central high country, but fine breaks farther north. Long fine breaks everywhere tomorrow.
Wairarapa to Gisborne: Fine, apart from scattered rain in the south of Napier today.
Taranaki to Wellington: Cloudy, and occasional light rain until noon tomorrow.
Buller, Nelson and Marlborough: Rain with some heavy falls today. Becoming fine in Marlborough, but showers elsewhere tomorrow.
Westland and Fiordland: Showers today with possible thunderstorms about the Alps. Rain developing tomorrow.
Canterbury: Showers, some possibly thundery inland today. Clearing tomorrow apart from some showers remaining about the high country.
Otago and Southland: Scattered showers today, possibly thundery in Otago. Becoming fine tomorrow morning, but rain developing in the afternoon.
Chatham Islands: Cloudy. Rain developing this afternoon.
Saturday: North Island, mainly fine in the east and south, rain developing from Taranaki to East Cape northwards from afternoon. South Island, heavy rain in the west, rain at times in the south. Mainly fine elsewhere.
Sunday: North Island, rain for most places, with some heavy falls, easing later. South Island, showers in the west, and elsewhere from afternoon.
Monday: North Island, mainly fine, a few morning showers in the west. South Island, A few showers in the west, and inland Marlborough and Canterbury, mainly fine elsewhere. Late rain in Fiordland. Chatham Islands: Cloudy periods with a few showers and northwesterlies on Saturday and Sunday. Rain developing overnight Sunday, then winds turning southwest and rain easing to showers on Monday.