THIRUVANANTHAPURAM: The Central Meteorological Department has said that there is a possibility of heavy rainfall in Kerala from tomorrow till May 21. A cyclonic circulation is prevailing over South Tamil Nadu. A low-pressure trough has formed from south Chhattisgarh to south Karnataka. Another low-pressure trough extends from Marathwada through south Tamil Nadu into the cyclonic circulation. Rain with thunder and lightning is forecast in Kerala as a result of this.

The warning is that the first low pressure of the season is likely to form over the Southwest Bay of Bengal by May 22. According to IMD, it is likely to move northeastward and intensify into a depression over the central Bay of Bengal.

Strong westerly/southwesterly winds are likely to intensify over Kerala from May 18 to 22. IMD has warned that there is a possibility of moderate rain with thunder/lightning/wind (49-50 km/hr.) in Kerala for the next seven days as a result of this. Very heavy rain at isolated places on May 19, 20 and 21 and heavy/very heavy rain at isolated places from May 18 to 22, is possible.

Meanwhile, a travel ban has been imposed in Pathanamthitta district as a red alert has been issued for tomorrow and the next day due to heavy rains. Night travel is prohibited in hilly areas. The authorities have advised that people should not travel in the hilly areas after 7 pm from tomorrow till May 23.

Apart from Pathanamthitta, a red alert has been declared in Kottayam and Idukki districts for tomorrow and the day after. An orange alert is also in place in Pathanamthitta, Idukki and Malappuram districts today.

Orange Alert

19-05-2024: Thiruvananthapuram, Kollam, Alappuzha, Ernakulam

20-05-2024: Thiruvananthapuram, Kollam, Alappuzha, Ernakulam

21-05-2024: Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Idukki, Ernakulam, Thrissur, Palakkad

22-05-2024: Pathanamthitta, Kottayam, Idukki

Yellow alert

18-05-2024 : Thiruvananthapuram, Kollam, Alappuzha, Kottayam, Ernakulam, Thrissur, Palakkad, Kozhikode, Wayanad

19-05-2024 : Thrissur, Palakkad, Malappuram, Kozhikode, Wayanad

20-05-2024 : Thrissur, Palakkad, Malappuram, Kozhikode, Wayanad

21-05-2024 : Malappuram, Kozhikode, Wayanad, Kannur, Kasaragod

22-05-2024 : Thiruvananthapuram, Kollam, Alappuzha, Ernakulam, Thrissur, Palakkad, Malappuram, Kozhikode, Wayanad, Kannur, Kasaragod