Alert opened: 26 Dec 2025
SEVERE THUNDERSTORM WARNING
Issued by MetService at 05:39 pm Friday 26 December 2025.
Valid until 06:30 pm Friday 26 December 2025.
This warning affects people in CLUTHA.
At 05:30 pm, MetService weather radar detected severe thunderstorms near BALCLUTHA, OWAKA, CLINTON, CLYDEVALE, TUAPEKA MOUTH and WAIWERA SOUTH.
These severe thunderstorms are moving towards the southeast, and are expected to lie near BALCLUTHA, NUGGET POINT, OWAKA, KAITANGATA, KAKA POINT and OFFSHORE NUGGET POINT at 06:00 pm and near NUGGET POINT, KAITANGATA, KAKA POINT and OFFSHORE NUGGET POINT at 06:30 pm.
These thunderstorms are expected to be accompanied by very heavy rain, large hail and frequent lightning.
Very heavy rain can cause surface and/or flash flooding about streams, gullies and urban areas, and make driving conditions extremely hazardous.
Large hail can cause significant damage to crops, orchards, vines, glasshouses and vehicles, and make driving conditions hazardous.
Frequent lightning is dangerous to people and livestock, especially those exposed outdoors or on the water, and can cause power surges and damage to electrical equipment.
A Severe Thunderstorm Watch remains in force for CANTERBURY HIGH COUNTRY, NORTH OTAGO, CENTRAL OTAGO, DUNEDIN, CLUTHA and SOUTHLAND.
MetService Severe Thunderstorm Watch for Otago
Issued at 8:07am Fri 26 Dec 2025
Area: North Otago, Central Otago, Dunedin, Clutha, Southland
Valid: 7 hours from 1:00pm Fri 26 Dec to 8:00pm Fri 26 Dec
A cold unstable air-mass affects parts of the South Island today. For coastal Canterbury from the Banks Peninsula southwards, eastern Otago and Southland there is a moderate risk of thunderstorms. These storms may become Severe this afternoon and evening with hail, larger than 20mm.
Large hail can cause significant damage to crops, orchards, vines, glasshouses and vehicles, as well as make driving conditions hazardous.
Should severe weather approach or if you feel threatened, take shelter immediately.
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 the Metservice website https://www.metservice.com/warnings/home for possible Severe Thunderstorm Warnings.
The National Emergency Management Agency advises that as storms approach, you should:
- Take shelter, preferably indoors away from windows;
- Avoid sheltering under trees, if outside;
- Get back to land, if outdoors on the water;
- Move cars under cover or away from trees;
- Secure any loose objects around your property;
- Check that drains and gutters are clear;
- Be ready to slow down or stop, if driving.
During and after the storm, you should also:
- Beware of fallen trees and power lines;
- Avoid streams and drains as you may be swept away in flash flooding.
Affected districts