Thunderstorm Watch

SEVERE THUNDERSTORM WATCH

Issued by MetService at 07:57 am Saturday 27 June 2020

 

Valid until 11:00 pm Saturday 27 June 2020

 

This watch affects people in the following weather forecast districts:

 

Coromandel Peninsula

 

Waikato

 

Bay of Plenty

 

Rotorua

 

Gisborne

 

An unstable airmass with embedded troughs continues to affect the upper North Island today. For Coromandel Peninsula, the Kaimai Range, Bay of Plenty, Rotorua and the far north of Gisborne, a moderate risk of severe thunderstorms is in place for this morning until this evening. Downpours with rainfall intensities of 25 to 35mm per hour and small tornadoes with strong wind gusts are possible.

Wind gusts of this strength can cause some structural damage, including trees and power lines, and may make driving hazardous. If any tornadoes occur, they will only affect very localised areas.

Rainfall of this intensity can cause surface and/or flash flooding, especially about low-lying areas such as streams, rivers or narrow valleys, and may also lead to slips.

Driving conditions will also be hazardous with surface flooding and poor visibility in heavy rain.

Note: A Severe Thunderstorm Watch means conditions are favourable for severe thunderstorms in and close to the watch area. People in these areas should be on the lookout for threatening weather conditions and monitor for possible Severe Thunderstorm Warnings.

For information on preparing for and keeping safe during a storm, see the Civil Defence Get Ready website Issued by: Arno Dyason This watch will be updated by: 02:00 pm Saturday 27 June 2020


SEVERE THUNDERSTORM WATCH

Issued by MetService at 06:11 pm Friday 26 June 2020

Valid until 08:00 am Saturday 27 June 2020

This watch affects people in the following weather forecast districts:

Northland

Auckland

Great Barrier Island

Coromandel Peninsula

Waikato

Bay of Plenty

An unstable airmass with embedded troughs is expected to affect the upper North Island this evening, overnight and into Saturday morning. In much of Northland, Auckland, Coromandel, the north of Waikato and the far west of the Bay of Plenty. Thunderstorms are likely and there is a risk that some of these could be accompanied by downpours with rainfall intensities of 25 to 35mm per hour and tornadoes with strong wind gusts.

Wind gusts of this strength can cause some structural damage, including trees and power lines, and may make driving hazardous. If any tornadoes occur, they will only affect very localised areas.

Rainfall of this intensity can cause surface and/or flash flooding, especially about low-lying areas such as streams, rivers or narrow valleys, and may also lead to slips.

Driving conditions will also be hazardous with surface flooding and poor visibility in heavy rain.

Note: A Severe Thunderstorm Watch means conditions are favourable for severe thunderstorms in and close to the watch area. People in these areas should be on the lookout for threatening weather conditions and monitor for possible Severe Thunderstorm Warnings.

For information on preparing for and keeping safe during a storm, see the Civil Defence Get Ready website Issued by: Hordur Thordarson This watch will be updated by: 08:00 am Saturday 27 June 2020

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