24-hour flash flood warning issued for 6 states

JOHOR, Malacca, Negri Sembilan, Pahang, Perak and Selangor are at risk of being hit by flash floods within 24 hours if there is heavy rain or significant thunderstorms, the National Flood Forecasting and Warning Centre of the Irrigation and Drainage Department said. 

The notice, which was issued at 5pm today, said the areas at risk IN JOHOR are Tangkak around Grisek; Batu Pahat (Sungai Punggor, Minyak Beku, Simpang Kanan, Bandar Penggaram, Peserai, Sri Gading, Tanjung Sembrong and Simpang Kiri); and Kota Tinggi (Johor Lama, Penggerang, Kota Tinggi and Ulu Sungai Johor).