The formation of very severe cyclonic storm Arnab is attributed to a combination of atmospheric and oceanic conditions. However, the specific details of its development are not provided in the given evidence. The Weathernews forecast indicates that Cyclonic Storm Arnab (02B) is forecast to strengthen rapidly, posing a threat to the Andhra Pradesh coast as a very severe cyclonic storm.
The exact causes of this strengthening are not explicitly stated in the evidence. It is mentioned that the storm is forecast to intensify, but the underlying factors driving this intensification are not detailed. The focus of the evidence is on the forecasted trajectory and potential impact of the storm rather than its formation mechanisms.
The Weathernews forecast emphasizes the potential threat posed by Cyclonic Storm Arnab to the Andhra Pradesh coast. The forecast highlights the storm’s expected strengthening and potential impact, but it does not provide a detailed explanation of the atmospheric and oceanic conditions that led to its development.