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On Wednesday, September 23, the India Meteorological Department placed Karnataka under an orange alert. Bengaluru is expected to see thunderstorms with lightning and gusts of 30–40 kmph. Coastal districts shift to a red alert on Thursday, September 24. Travellers should plan commutes and flights accordingly, especially during late afternoon convective peaks.
For today, orange alert districts include Kalaburagi, Vijayapura, Udupi, Shivamogga, Chikkamagaluru, and Dakshina Kannada. Yellow alert covers Bidar, Yadgir, Raichur, Bagalkote, Vijayanagara, Uttara Kannada, Chitradurga, and Hassan. IMD also flagged a broader state-level orange risk for Wednesday, indicating heavier cells possible over the southern interior.
District-wise Karnataka IMD alerts for Sep 23–24
| Date | Red alert | Orange alert | Yellow alert |
|---|---|---|---|
| Sep 23 | — | Kalaburagi, Vijayapura, Udupi, Shivamogga, Chikkamagaluru, Dakshina Kannada | Bidar, Yadgir, Raichur, Bagalkote, Vijayanagara, Uttara Kannada, Chitradurga, Hassan |
| Sep 24 | Dakshina Kannada, Udupi | Kodagu, Hassan, Chikkamagaluru, Uttara Kannada | Dharwad, Gadag, Koppal, Raichur, Tumakuru, Mandya, Mysuru |
Bengaluru thunderstorms: commute and flight buffers
Expect short, intense cells that briefly snarl Bengaluru mobility. Recent spells flooded Hebbal, KR Puram underpass, Silk Board, Indiranagar, HSR, and Nagawara–Veerannapalya. The traffic police flagged waterlogging near Khoday Underpass on Tuesday. Add a 30–45 minute buffer for airport trips, and check airline apps. Metro services usually run, but brief weather holds can ripple through peak hours.
Coastal red alert tomorrow: wind and sea advisory
On Thursday, red alert covers Dakshina Kannada and Udupi, with extremely heavy rain possible. Orange alert spans Kodagu, Hassan, Chikkamagaluru, and Uttara Kannada. Strong onshore winds and rough sea conditions are possible along the coast; fishermen should monitor IMD coastal bulletins and avoid venturing during squally periods. Localised power and ferry disruptions cannot be ruled out near river mouths.
IMD nowcast, lightning tracker and helplines
For hyperlocal tracking, use IMD’s district nowcast, radar mosaics, and the Damini lightning app. Bengaluru’s nowcast updates expand during active thunderstorms, offering three-hour guidance. Keep helplines handy: BBMP 1533 and the state emergency number 1070. Schools and event organizers may issue afternoon updates; watch district channels before travelling or rescheduling events today and tomorrow.