In addition to rivers flowing in extreme flood situations at 64 flooding monitoring stations during Southwest Monsoon 2024, we have found that rivers have crossed highest flood level (HFL) at four stations during just concluded Northeast Monsoon season. Of these four stations, three are in Tamil Nadu state and one is in Union Territory of Puducherry.
Continue reading “Rivers Flowing in Extreme Flood Situation during Northeast Monsoon 2024”Tag: CWC Flood Forecasting
Oct 2023: CWC Flood Forecast FAILS during Teesta Glacial Floods
(Feature Image: NHPC’s Teesta VI hydro project at Sirwani, Sikkim affected by GLOF deluge on Oct. 04, 2023. Image Source: Weatherman Shubham.)
The Teesta River has witnessed unprecedented scale of floods following South Lohnak Glacial Lake Outburst Flood (GLOF) event in the intermittent night of October 03-04, 2023. The details and impact of the deluge can be seen here. The incident has once again underlined shortcomings in Central Water Commission’s (CWC) flood monitoring and forecasts work.
Continue reading “Oct 2023: CWC Flood Forecast FAILS during Teesta Glacial Floods”Krishna-Bhima basin floods in Oct 2020 breaks 56-year-old record
Krishna basin is again facing unprecedented floods, for the second straight year. Unprecedented is a bit of overused word these days, but consider the facts: At no less than ten locations, the Highest Flood Levels (HFL) ever recorded at those locations in the Krishna basin were surpassed (nine locations) or equaled (one location). Some of the HFLs surpassed this year were amazing 56, 51 and 44-year-old records! And imagine most of this happening in second half of Oct 2020, when South West monsoon is traditionally over by end of Sept! There is no doubt the floods were unprecedented.
Continue reading “Krishna-Bhima basin floods in Oct 2020 breaks 56-year-old record”Central India downpour brings unprecedented flows in Brahmani, Chambal, Godavari, Mahanadi, Narmada, Suvarnarekha
A massive wave of flood is flowing down the rivers originating in Central India states from Odisha in East to Gujarat-Rajasthan in the west. At least fourteen river sites have seen breach of Highest Flood Levels (HFL) in last four days, a record by itself: 7 in Mahanadi, 5 in Godavari, 2 in JNarmada and one each in Suvarnarekha and Chambal. In at least four of these cases, the earlier HFL had survived for 26 years and has now been broken.
The flood wave that is traveling down is above above 35500 cumecs (12.54 lakh cusecs) in Narmada (at Indira Sagar Dam), above 25000 cumecs (8.83 lakh cusecs), in case of Mahanadi (at Hirakud Dam) and Godavari (at Gosikhurd Dam) rivers & over 15000 cumecs (5.3 lakh cusecs) in Chambal (at Gandhi Sagar Dam) River. Continue reading “Central India downpour brings unprecedented flows in Brahmani, Chambal, Godavari, Mahanadi, Narmada, Suvarnarekha”