
Only two of Karnataka's 31 districts, Belagavi and Bagalkot, received normal southwest monsoon rainfall between June 1 and August 20, data from the Karnataka State Natural Disaster Management Authority (KSDMA) shows. The…
Only two of Karnataka's 31 districts, Belagavi and Bagalkot, received normal southwest monsoon rainfall between June 1 and August 20, data from the Karnataka State Natural Disaster Management Authority (KSDMA) shows. The state as a whole recorded 435 mm against a normal of 629 mm, a deficit of 31%, classified as a deficit category.

Mysuru district recorded the highest departure at -58%, followed by Vijayanagar (-55%) and Chamarajanagar (-52%). Between August 1 and 20, the state recorded 127 mm against the normal 158 mm, a departure of -19% which falls under normal category. IMD scientist C.S. Patil said South Interior Karnataka posted a 40% deficit, coastal districts 24%, and Bengaluru city 50%.
Bengaluru, which saw light rain over the last few days, is likely to get more light to moderate rain. On Thursday, the city observatory recorded 6.3 mm till 5.30 pm. KSDMA continues to monitor the seasonal shortfall ahead of the September withdrawal.
Karnataka's southwest monsoon shortfall deepens a wider concern: 60% of the state's installed hydropower capacity (3,300 MW out of 5,500 MW) depends on catchment rainfall, and a 31% deficit across June-August typically forces increased thermal and renewable purchases, raising power costs for the state distribution utility. The agrarian districts with the worst departures, Mysuru (-58%), Vijayanagar (-55%), are in the Cauvery basin, where reservoir levels already lag 15-year averages. The KSDMA now monitors whether the September withdrawal phase, which usually delivers 10-12% of seasonal rain, can offset any part of the shortfall. The next trigger point is the IMD's updated forecast for the remaining 10 days of August, which will determine whether the seasonal deficit deepens below 35%, the threshold for drought declaration under Karnataka's manual.
Source: thehindu.com
This story was synthesised by AI from the source linked above.