MetService Severe Weather Warnings
This page holds links to all the warnings issued by Metservice during February. They include Severe Weather Warnings, Severe Weather Outlooks, Special Weather Advisories, and Severe Weather Watches. More about MetService
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Severe Weather Warning
MetService will issue a Severe Weather Warning whenever there is an expectation that any of the following weather conditions will occur within the next 24 hours:
- Widespread* rainfall greater than 50 mm within 6 hours or 100 mm within 24 hours;
- Widespread* snowfall below 1000 metres on the North Island or 500 metres on the South Island with a snow depth of 10 centimetres within 6 hours or 25 centimetres within 24 hours;
*"Widespread" means over an area of 1000 square kilometres or more.
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Severe Weather Outlook
The aim of the Severe Weather Outlook is to provide a "heads up" of potential severe weather events in the Day 3 to Day 6 period.
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Special Weather Advisory
- MetService will issue a Special Weather Advisory whenever a weather event is likely to cause significant disruption to the general public or specific industry groups within the next 48 hours, but the weather is not expected to deteriorate to an extent that would require the issue of a Severe Weather Warning.
- MetService may also issue a Special Weather Advisory following a severe storm that caused widespread disruption and damage in order to assist with any post-storm operations.
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Severe Weather Watch
MetService will issue a Severe Weather Watch whenever there is an expectation that conditions may deteriorate to the thresholds specified for the issue of a Severe Weather Warning:
- After the next 24 hours but within 48-72 hours, or
- If there is a high level of uncertainty within the next 24 hours
- After the next 24 hours but within 48-72 hours, or
- If there is a high level of uncertainty within the next 24 hours
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