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Early Warning Report
Date: 25th July 2008
Time: 11.30hrs
To:
CEO
Controllers
Group Manager Communications
Manager Parks
Manager City Environment
Info:
Contact Centre
Situation:
A Major storm is expected to affect much of Auckland over the coming two days.
A low is crossing the north Tasman Sea today and is expected to deepen rapidly as it approaches northern New Zealand Saturday morning.
There is expected to be widespread rain and severe gale force winds gusting to 130km/hr, particularly between 3pm Saturday and midnight Saturday.
Likely Effects on Manukau:
Coastal areas along the east coast may be affected by storm surges, with the possibility of flooding in low lying areas.
Rainfall is expected to be between 80-100mm between 6am and 9pm on Saturday with it reaching 15mm per hour at times.
Severe gale force winds may make driving dangerous.
Worst Case Scenario:
Heavy winds may damage tress and power lines.
Storm surges may cause flooding along the east coast.
Streams may rise suddenly with the heavy rain expected.
Escalation:
The Emergency Management Office will continue to monitor the situation and initiate escalation if required.
Full Text of the Warning Message:
SEVERE WEATHER WARNING.
ISSUED BY MetService AT 11:28 am 25-Jul-2008
MAJOR STORM EXPECTED TO AFFECT MUCH OF THE NORTH ISLAND THIS WEEKEND A low is crossing the north Tasman Sea today and is expected to deepen rapidly as it approaches northern New Zealand Saturday morning.
The unusually intense low is forecast to move over Cape Reinga late Saturday afternoon then track south-eastwards to lie near the Coromandel Peninsula at midnight and near East Cape midday Sunday. A front ahead of the low is expected to bring widespread rain to the North Island by the end of Saturday and gales are likely to affect most parts of the North Island. The heaviest rain should be in Northland, northern Auckland, the Coromandel Peninsula, Gisborne and Hawkes Bay ranges and these areas streams and rivers could rise quickly along with some surface flooding.
East to southeast gales may affect many parts of the North Island with strongest winds gusting to around 120 km/h in parts of Northland, Auckland,Coromandel Peninsula, Waikato, eastern Bay of Plenty, Gisborne, the central North Island,Manawatu and Wellington.MetService advises the public that winds of this strength have the potential to cause damage and make driving hazardous.Boaties are advised to make moorings secure as high winds and large waves are likely about northern and eastern coasts of the North Island.
[ 本帖最后由 dec05 于 2008-7-29 12:22 编辑 ] |
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发表于 2008-7-25 14:50:51
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