Picture of contrast: Deficient in south, surplus in north, Southwest Monsoon averages out as ‘normal’ in Karnataka  

The southwest monsoon, which spans from June 1 to September 30, has withdrawn, leaving deficient rainfall successful the south, surplus successful north, presenting a representation of contrast. It averaged retired arsenic ‘’normal’’ wide successful Karnataka.

Mysuru and Chamarajanagar are the lone 2 of the 31 districts successful the State to grounds deficient rainfall during the season, portion successful the remainder of Karnataka, the rains were higher than the seasonal average.

Reflective of the uneven spatial organisation of rains, respective districts of northbound Karnataka, which were connected the deficient broadside till the archetypal week of September, ended the play with excess, according to Karnataka State Natural Disaster Monitoring Centre (KSNDMC).

Cauvery catchment area

Mysuru received 324 mm of rainfall from June 1 to September 30, which was 23% beneath seasonal mean for the district. Similarly, Chamarajanagar territory received 211 mm of rainfall, which is 34% beneath normal. Even Kodagu, which is the catchment country for the stream Cauvery, received 2176 mm of rainfall this twelvemonth which is 1% beneath the agelong play average.

However, immoderate rainfall which is up to 19% supra agelong play mean and 19% beneath agelong play mean is categorised arsenic mean and, hence, Kodagu is nether greenish oregon mean category.

Copious rains

In crisp contrast, respective districts successful northbound Karnataka received copious rains, resulting successful swollen rivers and extended flooding.

The dense downpour successful districts specified arsenic Vijayapura, Kalaburagi Bidar, Yadgir, etc was higher than mean implicit the four-month monsoon period. But some Vijayapura and Kalaburagi districts received dense rains successful September, and not lone was the shortfall of the earlier weeks bridged, but these districts were categorised nether “large excess” category, the lone 2 successful the State.

While Vijayapura received 239 mm of rainfall successful the period of September, it was 61% higher than agelong play average. Kalaburagi received 285 mm and it was 63% higher than the semipermanent mean for the month, according to KSNDMC.

Though the deficiency of the archetypal weeks was bridged, it came astatine a outgo arsenic the portion suffered from aggravated spell concentrated successful a abbreviated play resulting successful flooding, harvest harm and wrought misery.

‘Large deficit’ and deficient

Overall, the southwest monsoon performed good successful Karnataka with nary of the districts categorised nether ‘’large deficit’’ category, which entails rainfall beneath 60% of the agelong play average. Only 2 districts, Mysuru and Chamarajanagar, were nether deficient category, arsenic per KSNDMC portion 23 districts were nether ‘’normal’’, and 6 districts nether ‘’excess’’ category.

That the monsoon performed good crossed the State is besides corroborated by the retention presumption crossed large reservoirs successful the State. Overall, the h2o availability successful large reservoirs is 827.95 tmcft against the gross capableness of 895.62 tmcft, arsenic connected September 30, 2025, according to KSNDMC.