The record
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- ISRO's Space Applications Centre has forecast three tropical cyclones in the North Indian Ocean between October and December this year.
- The forecast projects a Power Dissipation Index (PDI) of 13.06 x10^6 knots, higher than the 44-year average of 7.15 x10^6.
- PDI measures the total energy cyclones release over their lifetime, factoring in how long they last and how intense they become, not just how many form.
- A higher PDI means the season's cyclones together are expected to release more energy than average, not that a single storm is forecast to be exceptionally dangerous.
- India typically sees about five cyclones a year in the North Indian Ocean, with roughly four forming in the Bay of Bengal and one in the Arabian Sea, where Gujarat faces the greatest risk.
What to watch next
- Whether the actual number of cyclones between October and December matches ISRO's forecast of three.
- Whether the season's total Power Dissipation Index ends up above the 44-year average.
- Where and when the first post-monsoon cyclone forms, since exact timing and location cannot be predicted far in advance.
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Named India · Deepak Chudasma · ISRO · Space Application Centre
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