SEVERE WEATHER WARNING.
ISSUED BY MetService AT 8:41pm 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 a front. Heavy rain
is expected about the ranges of Westland, with 150 to 200mm likely
during this time.
People in these areas, 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 possible thunderstorms.
FREEZING LEVEL: 3000 metres
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00am Friday 19-Dec-2014
Forecast prepared by: Peter Little
For further information after 9pm contact Duty Forecaster John Crouch
A service provided through a contract with the Crown
Short Range Forecast
Northland, Auckland, Coromandel: Fine spells. Low cloud and scattered showers tomorrow, turning to rain in the evening.
From Waikato to Wellington, including the Bay of Plenty, Wairarapa and the central high country: Fine and cloudy periods, with isolated afternoon showers about Taihape, Taupo and inland Bay of Plenty today. Evening drizzle about Taranaki, Kapiti and Wellington today, and rain developing over most places late tomorrow.
Gisborne and Hawkes Bay: Mainly fine, isolated afternoon showers inland Hawkes Bay and Gisborne today.
Nelson, Marlborough and Canterbury: Fine today, apart from isolated afternoon showers inland. Rain, with heavy falls developing about Nelson and Marlborough late tomorrow.
Otago and Southland: Fine spells. Showers developing this afternoon, some possibly heavy.
Buller, Westland and Fiordland: Drizzle turning to rain this evening, with heavy falls in southern Westland.
Chatham Islands: Low cloud and rain, clearing tomorrow.
Sunday: North Island, rain for most places, with some heavy falls, easing from the west in the afternoon. South Island, showers in the west and south, and elsewhere from afternoon.
Monday: North Island, a few showers in the south and east, mainly fine elsewhere. South Island, A few showers in the north and west, and inland Canterbury, mainly fine elsewhere. Late rain in Fiordland. Tuesday: North Island, fine spells. Afternoon and evening showers, mainly inland and in the north. South Island, mainly fine, afternoon and evening showers about the ranges. Chatham Islands: Rain developing Sunday afternoon, clearing Sunday night. Showery southwesterlies developing on Monday, then easing on Tuesday.