Andhra Pradesh is preparing for the impact of Cyclone Arnab, which is projected to become the 11th Very Severe Cyclonic Storm (VSCS) to strike the state since 1970. This system marks the first storm of this intensity category to threaten the state's coastline in nearly eight years, following the destructive landfall of Cyclone Titli in October 2018.
According to historical tracking data documented by the India Meteorological Department (IMD) covering coastal events between 1970 and 2023, Andhra Pradesh has experienced 61 cyclonic storms in total. However, only a selective group of 10 storms intensified into the VSCS tier during that period. Early forecasting reported by The Hindu indicates that if Arnab reaches its anticipated strength, it will officially join this rare category of high-intensity cyclonic disturbances.
Wind Speed Thresholds and Cyclone Classification
The IMD categorizes cyclonic disturbances over the North Indian Ocean based on maximum sustained surface wind speeds. A standard cyclonic storm generates sustained winds between 62 and 88 kmph, while a severe cyclonic storm produces velocities ranging from 89 to 117 kmph. A storm is elevated to a Very Severe Cyclonic Storm when sustained winds reach between 118 and 167 kmph.
Beyond this threshold, systems are classified as Extremely Severe Cyclonic Storms at 168 to 221 kmph, and Super Cyclonic Storms when wind speeds exceed 221 kmph. Contemporary numerical weather models suggest that Cyclone Arnab will generate maximum sustained winds of approximately 140 kmph, placing it squarely within the middle bracket of the very severe category.
| Category | Sustained Wind Speed (kmph) | Notable Recent Examples |
|---|---|---|
| Cyclonic Storm | 62–88 | Standard Bay of Bengal systems |
| Severe Cyclonic Storm | 89–117 | Montha, Michaung |
| Very Severe Cyclonic Storm (VSCS) | 118–167 | Titli (2018), Arnab (projected: ~140) |
| Extremely Severe Cyclonic Storm | 168–221 | Hudhud (2014: 181.6), Phailin (2013: 200–210) |
| Super Cyclonic Storm | >221 | 1999 Odisha Super Cyclone |
Historical Context of Severe Systems in Andhra Pradesh
The 10 previous very severe storms recorded along the Andhra coast were concentrated across specific active years: 1999, 2000, 2011, 2013, 2014, and 2018. The 2013 post-monsoon period was particularly unusual, producing three consecutive very severe storms—Phailin in October, Lehar in November, and Madi in December.
While Arnab represents a significant meteorological threat, past records compiled by meteorologists show that earlier systems produced far higher sustained winds. As detailed in disaster documentation published by The Hindu's regional weather desk, Cyclone Phailin generated extreme wind speeds between 200 and 210 kmph prior to landfall.
Similarly, a case study conducted by C. Hari Kiran of the Andhra Pradesh State Development Planning Society (APSDPS) established that Cyclone Hudhud clocked peak surface winds of 181.6 kmph when it crossed the coast in October 2014. Hudhud inflicted catastrophic infrastructure damage across Visakhapatnam, Vizianagaram, Srikakulam, and East Godavari districts. By comparison, Cyclone Titli in 2018 made landfall near Palasa in northern Andhra Pradesh, serving as the most recent very severe storm to strike the state before recent moderate systems like Cyclone Michaung and Cyclone Montha, which remained within the lower severe cyclonic storm bracket.
Coastal Preparedness and Next Steps
Because sustained winds of 140 kmph are capable of uprooting mature trees, damaging power transmission infrastructure, and unroofing thatched dwellings, coastal administrative machinery has been placed on alert across vulnerable northern and central coastal districts. Regional disaster authorities are tracking updated trajectory cones to determine the precise landfall location and timing.
Verified updates from state agencies indicate that disaster management teams are focusing on flood drainage, clearing communication corridors, and advising artisanal marine fishermen to avoid open waters until the system dissipates.
