East coast braces for rough weather as cyclone montha develops today, Pg9.

Key Highlights:

• IMD forecasts Cyclone Montha to make landfall near Kakinada (Andhra Pradesh) late on October 29.
• Red alerts have been issued for multiple districts, including Kakinada, Krishna, Guntur, Nellore, Prakasam, and Srikakulam in Andhra Pradesh.
• Thousands of residents in low-lying coastal regions have been evacuated to relief camps.
• Andhra Home Minister Vangalapudi Anitha reviewed disaster preparedness with state officials and directed satellite phones to vulnerable districts to maintain communication.
• The state government has declared holidays for educational institutions till Wednesday to ensure safety.
• Odisha government also reviewed coastal preparedness under Revenue and Disaster Management Minister Suresh Pujari.
• Historical data show that October cyclones like Titli (2018), Hudhud (2014), and Ogni (2006) have caused severe damage in Andhra Pradesh.

Trajectory of Cyclone Montha.png

Detailed Insights:

• Cyclone Path & Intensity: Formed over the west-central Bay of Bengal, Montha is expected to intensify as it moves northwest, affecting coastal Andhra and adjoining Odisha districts.
• Disaster Preparedness: Andhra Pradesh Disaster Management Authority (APDMA) is coordinating early warning dissemination, relocation of vulnerable populations, and deployment of rescue teams.
• Communication Measures: Use of satellite phones and SMS alerts aims to minimize communication disruptions due to storm damage.
• Administrative Coordination: Multi-departmental teams are stationed for search and rescue, medical support, and food and shelter arrangements.
• Historical Context: The Bay of Bengal is a high-frequency cyclone basin, especially during pre- and post-monsoon months, due to warm sea surface temperatures and favorable wind shear conditions.
• Socio-economic Impact: Potential disruption to fisheries, agriculture, and transport; hence, preemptive evacuation is crucial to mitigate human and economic losses.

Scientific/Technical Concepts Involved:

• Tropical Cyclone: A rapidly rotating storm system formed over warm ocean waters, characterized by low pressure, strong winds, and heavy rainfall.
• Red Alert: Issued by IMD when extremely severe weather conditions are expected, requiring immediate preventive action by authorities.
• Bay of Bengal Cyclogenesis: The process of cyclone formation facilitated by warm sea temperatures (>27°C), high humidity, and Coriolis effect near the equator.
• Storm Surge: Abnormal rise in sea level caused by strong winds and low atmospheric pressure during cyclones, leading to coastal flooding.