MetService weather radar is detecting severe thunderstorms near Otanewainuku in the Bay of Plenty.

This morning the MetService issued a severe weather watch for thunderstorms. This afternoon's update is expected to affect the Western Bay of Plenty and Rotorua.

"These severe thunderstorms are moving towards the north, and are expected to lie near Otanewainuku at 3.22 pm and near at 3.52 pm," says a MetService spokesperson

"These thunderstorms are expected to be accompanied by torrential rain.

"Torrential rain can cause surface and/or flash flooding about streams, gullies and urban areas, and make driving conditions extremely hazardous."

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.