Significant wave height was found to be 5.5–9.2 m. Forecast of storm surge was found to be between 3.5 and 4 m at coastal locations. During the period, 23–, the Ekman suction velocity and chlorophyll concentration were found significantly high at ~ 5 m/day and > 0.5 mg/m³, respectively.
Passing of cyclone had its reverbarations in oceans, which are observed in SST drop of ~ 3 ☌, salinity and density increase by ~ 1 psu and ~ 2 kg/m³, respectively. Geostationary satellites, INSAT-3D/3DR, were used to visualize cyclone structure. Further, intensity prediction was done using numerical weather prediction model. A Lagrangian advection model used for its track prediction with 24-h lead-time provided an accuracy of ~ 19 km and ~ 6 h in its landfall location and time. (> 30 ☌) and tropical cyclone heat potential (anomaly of 40–80 kJ/cm²) indicated a strong possibility of cyclogenesis in the BoB. Days before the cyclone formation, cyclone genesis potential parameter, sea surface temperature (SST). Herein, a pathway has been developed and exemplified for ‘Yaas’ through three-stage cyclone-induced hazard tracking. A Very Severe Cyclonic Storm ‘Yaas’ developed over the Bay of Bengal (BoB) on and crossed over the Odisha coast on 26 May with maximum sustained wind speed of 75 kts.
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