In the northern region, the warning covers several districts in Kedah and Perak, as well as the entire state of Penang.

In the south, the advisory includes all of Negeri Sembilan and Melaka, as well as most districts in Johor.

On the east coast of the peninsula, parts of Kelantan and Terengganu are also under the warning.

MetMalaysia issues such warnings when there are signs of thunderstorms with rainfall intensity exceeding 20mm per hour that are expected to last for more than an hour.

The public in the affected areas is advised to take necessary precautions. - malaymail