The Malaysian Meteorological Department (MetMalaysia) has issued a thunderstorm warning involving several areas in Peninsular Malaysia, Sabah and Sarawak until 12pm on May 13.
Affected areas in Peninsular Malaysia are Kedah (Langkawi), Penang (Southwest and Northeast), Perak (Manjung, Bagan Datuk and Hilir Perak), Melaka, and Johor (Tangkak, Muar, Batu Pahat and Pontian).
In Sarawak, the warning covers Sarikei (Julau and Meradong), Sibu (Sibu and Kanowit), Kapit (Kapit and Bukit Mabong) and Miri (Subis and Miri).
Meanwhile in Sabah, the affected areas are the Interior division (Tenom, Kuala Penyu, Beaufort, Nabawan and Keningau), West Coast division (Papar, Putatan, Penampang and Kota Kinabalu) and Kudat (Kudat), as well as the Federal Territory of Labuan.
MetMalaysia said the warning was issued following signs of thunderstorms with rainfall intensity exceeding 20mm per hour that are imminent or expected to persist for more than one hour.
The department added that thunderstorm warnings are short-term alerts valid for a period not exceeding six hours for each issuance.
