The Malaysian Meteorological Department (MetMalaysia) has warned of possible flooding in Penang, Perak, Kedah, and Sarawak if heavy rain and thunderstorms occur within 24 hours starting today.

In a statement issued through the Department of Irrigation and Drainage today, MetMalaysia said heavy rain and thunderstorms are predicted in several flood-prone areas in Nibong Tebal, Bukit Mertajam, Butterworth and some sub-districts around Penang.

The same weather conditions are also expected to occur in...