The severe weather warning has been issued this morning by the Met Service for the Auckland Region. A major storm is expected to bring adverse weather to much of the country.
Early Warning Report
Date: 29th July 2008 Time: 1000hrs
Situation:
The severe weather warning has been issued this morning by the Met Service for the Auckland Region.
A major storm is expected to bring adverse weather to much of the country.
A period of heavy rain is expected to affect the north east of the North Island from later today.
Rain should become heavy tonight with it possibly reaching warning levels of 20mm per hour, from midnight tonight until early tomorrow morning.
Gale force winds are expected in exposed area with them bringing heavy swells and high seas along the east coast. The current forecast is for the winds to come from a north east to easterly direction.
Critical Issues:
Rain will become heavier from tonight with around 70mm from midnight until 6am Wednesday morning.
With the rainfall possibly reaching warning levels, of 20mm per hour. This could impact on storm water capability and surface flooding and cause streams to rise quickly.
With the previous bad weather and heavy rain land slips may result.
The gale force winds are expected to come from the east to north east, and may affect sea levels at high tide and cause flooding with storm surges. Particularly, on the east coast of Manukau.
High tide on the east coast is 4.15pm today and 4.37am on Wednesday morning. Note the heaviest rain is due between midnight and 6am tomorrow.
Action taken to date:
Information has been gathered from all weather sources and collated in the Emergency Management Office.
Civil Defence Welfare teams have been advised of this latest weather warning.
Escalation:
The Manukau City Council Emergency Management Office will monitor the situation and advise of any updates and initiate escalation if required.
Full Text of the Warning Message:
{SWW Event 2008/38.3}
URGENT - IMMEDIATE BROADCAST IN:
NORTHLAND AUCKLAND COROMANDEL_PENINSULA BAY_OF_PLENTY WAITOMO WAIKATO TAUMARUNUI TAIHAPE GISBORNE HAWKES_BAY WAIRARAPA TARANAKI WANGANUI MANAWATU NELSON MARLBOROUGH WESTLAND CANTERBURY
NOT TO BE BROADCAST AFTER 9:00pm Tuesday 29-Jul-2008
SEVERE WEATHER WARNING.
ISSUED BY MetService AT 9:45 am 29-Jul-2008
MAJOR STORM EXPECTED TO BRING ADVERSE WEATHER TO MUCH OF THE COUNTRY A deepening low northwest of New Zealand is expected to move southwards to lie west of Taranaki at midnight Wednesday and cross central New Zealand on
Thursday. A period of heavy rain is expected to affect the north and east of the North Island from later today and spread down the east of the North Island tomorrow to affect Nelson, Marlborough and Canterbury from Wednesday into Thursday. Over the higher parts of the Canterbury foothills the rain is likely to turn to snow for a time.
Gale force winds are expected in exposed areas, and easterly winds are likely to reach severe gale in areas west of the main ranges from Waikato down to Westland.The easterly gales are also expected to bring heavy swells and high seas to eastern coasts of both islands.
People in these areas are advise to watch out for quickly rising streams and rivers and surface flooding. Also, high winds may cause damage to trees and roofs and flying debris may be a hazard in some places.
FOR THE LATEST WEATHER AND FORECAST CHARTS PLEASE GO TO http://metservice.com/default/index.php?alias=mapsandobservations
MORE DETAILED INFORMATION FOR EMERGENCY MANAGERS AND TECHNICAL USERS
FOLLOWS:
====================
HEAVY RAIN WARNING
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AREA/S AFFECTED: NORTHLAND AUCKLAND COROMANDEL PENINSULA BAY OF PLENTY GISBORNE HAWKES BAY WAIRARAPA MARLBOROUGH NELSON CANTERBURY
FORECAST:
NORTHLAND
Rain should become heavy this afternoon. In the 15 hours from 3pm today to 6am Wednesday expect 80 to 100mm, especially about the eastern hills.
Heaviest falls are expected from tonight to early Wednesday morning when intensities could reach 15 to 25mm per hour in embedded thunderstorms.
AUCKLAND
Rain should become heavier tonight. In the 6 hours from midnight tonight to 6am Wednesday, around 70mm is possible in some places, especially north of Orewa,with peak intensities 15 to 20mm per hour in embedded thunderstorms.
COROMANDEL PENINSULA AND BAY OF PLENTY WEST OF KAWERAU Rain setting in this afternoon and becoming heavy by evening. Between 3pm today and 9am Wednesday expect 120 to 160mm in the ranges and 100mm possible down to the coast. Peak intensities around 25mm per hour in embedded thunderstorms.
RANGES OF GISBORNE NORTH OF GISBORNE CITY Rain should become heavy this evening. In the 15 hours from 9pm today to noon on Wednesday expect 120 to 160mm. Heaviest falls are likely to be during Wednesday morning when intensities could reach 15 to 20mm per hour in embedded thunderstorms.
GISBORNE RANGES SOUTH OF GISBORNE CITY and HAWKES BAY RANGES NORTH OF WAIPUKURAU In the 9 hours from 3am to midday Wednesday, 80 to 100mm possible in the ranges, with heaviest falls of 10 to 20mm around late Wednesday morning.
HAWKES BAY RANGES SOUTH OF WAIPUKURAU AND RANGES OF WAIRARAPA Rain should develop overnight and become heavy tomorrow morning. In the 9 hours from 6am to 3pm Wednesday 70mm is possible.
KAIKOURA RANGES
Rain is expected to become heavy overnight. In the 24 hours from 3am Wednesday to 3am Thursday expect 160 to 200 mm.
RICHMOND RANGES
Rain is expected to become heavy overnight. In the 24 hours from 3am Wednesday to 3am Thursday expect 100 to 120 mm.
RANGES OF NORTHWEST NELSON
Rain is expected to become heavy tonight. In the 27 hours from 9pm tonight until midnight Wednesday expect 160 to 200mm.
CANTERBURY
Rain is expected to become heavy tomorrow morning. In the 24 hours from midday Wednesday to midday Thursday expect 100 to 140mm in the foothills and 40 to 60mm over the plains. Snow is expected to develop above 500 metres and 40 to 50cm may accumulate above 800 metres, deeper in drifts. However, the snow level is expected to rise later on Thursday as warmer air spreads south.
FREEZING LEVEL/SNOW CONDITIONS: 1400 metres rising to 2000 metres Thursday.
====================
STRONG WIND WARNING
====================
AREA/S AFFECTED: WAIKATO WAITOMO TAUMARUNUI TAUPO TARANAKI TAIHAPE WANGANUI MANAWATU NELSON MARLBOROUGH WESTLAND
FORECAST:
WAIKATO WAITOMO TAUMARUNUI TAUPO
Easterly gales are expected to develop tonight. In the 12 hours from 9pm tonight to 9am Wednesday severe gales with gusts of 120 to 150km/h are possible in exposed places.
TARANAKI TAIHAPE WANGANUI MANAWATU NELSON MARLBOROUGH Easterly gales are expected to develop early tomorrow. In the 15 hours from 3am tomorrow to 6pm Wednesday severe gales with gusts of 120 to 150km/h are possible in exposed places.
WESTLAND
Easterly gales are expected to develop tomorrow morning. In the 15 hours from 6am to 9pm Wednesday severe gales with gusts of 120 to 150km/h are possible in exposed places.
FORECAST:
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE 9:00pm Tuesday 29-Jul-2008
Forecast prepared by: Erick Brenstrum
A service provided through a contract with the Crown
(C) Copyright Meteorological Service of New Zealand Ltd 2008
[ 本帖最后由 dec05 于 2008-7-29 12:21 编辑 ] | 
发表于 2008-7-25 14:50:51
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