KOCHI: The India Meteorological Department (IMD) on Wednesday has withdrawn red alert for extremely heavy rainfall from the state and issued orange alert for very heavy rainfall of 11-20cm for 12 districts for Thursday. Thiruvananthapuram and Kollam are on yellow alert for isolated heavy rainfall on Thursday.
Following the intense rainfall in the ghats regions across the state, inflow into the dams and rivers continued on Wednesday as well with many crossing danger levels. The Central Water Commission (CWC), in its evening bulletin, informed that three rivers are nearing the danger levels recorded in 2018.
Manimala River at Kallooppara in Pathanamthitta continues to flow in 'severe' conditions as under the CWC warning code. At 6pm on Wednesday, it was flowing at 6.23m against the danger level of 6.0m and just 3.41 m below its previous level of 9.64 m recorded on Aug 16, 2018. Karamana River at Vellaikadavu in Thiruvananthapuram was flowing at 10.26m against the danger mark of 10.0m and 3.74m below its previous high of 14.0m.
Neyyar River at Aruvippuram in Thiruvananthapuram was flowing at 8.06m against the danger level of 8.0m and 4.33m below its previous high of 12.39m as recorded on Aug 15, 2018.
As of now, the IMD has put the state on yellow alert for isolated heavy rainfall on Friday. It said that the shear zone which runs over South Peninsular India is likely to shift gradually northwards during the next 3-4 days. A cyclonic circulation lies over West Central and adjoining Southwest Bay of Bengal off south Andhra Pradesh-north Tami Nadu coasts in lower tropospheric levels. The western end of monsoon trough at mean sea level lies north of its normal position and its eastern end near its normal position. The monsoon trough is very likely to be near normal or south of its normal position from August 5 onwards. These are the systems actively bringing the rains over Kerala. Though the southwest monsoon has been active in the last 24 hours, the intensity has reduced. Kozhikode recorded the highest rainfall of 9cm while Idukki recorded 8cm rainfall.