Major Tropical Cyclones in South Asia (2015–2020): A Chronological Record

South Asia—particularly the Bay of Bengal and Arabian Sea basins—is one of the world's most cyclone-prone regions. Between 2015 and 2020, numerous severe cyclonic storms made landfall, causing widespread devastation across India, Bangladesh, Sri Lanka, Yemen, and Oman. Below is a chronological summary of the most significant systems during this period.

2020

Cyclone Amphan (May 20–21)

• Category: Extremely Severe Cyclonic Storm (ESCS), peaked as Super Cyclonic Storm
• Landfall: West Bengal (India) / Bangladesh border near Sagar Island
• Impact: 128+ fatalities; 4.9 million displaced; $13+ billion damage (costliest North Indian Ocean cyclone on record); catastrophic damage to Sundarbans, Kolkata infrastructure, and Bangladesh coastal districts.

Cyclone Nisarga (June 3–4)

• Category: Very Severe Cyclonic Storm (VSCS)
• Landfall: Maharashtra, India (near Alibag, south of Mumbai)
• Impact: 12+ fatalities; 100,000+ evacuated; first cyclone to threaten Mumbai in 129 years; heavy rainfall, flooding, wind damage in Raigad, Ratnagiri, Palghar districts.

2019

Cyclone Fani (May 3–4)

• Category: Extremely Severe Cyclonic Storm (ESCS), peaked as Category 4 equivalent
• Landfall: Odisha, India (near Puri)
• Impact: 89+ fatalities (India + Bangladesh); 1.2 million evacuated in Odisha (largest peacetime evacuation); $8.1 billion damage; extensive destruction to power, telecom, agriculture, and housing.

Cyclone Bulbul (November 9–10)

• Category: Very Severe Cyclonic Storm (VSCS)
• Landfall: West Bengal (India) / Bangladesh (Sundarbans region)
• Impact: 23+ fatalities; 2.1 million evacuated; severe agricultural losses; storm surge flooding in low-lying coastal areas.

2018

Cyclone Gaja (November 15–16)

• Category: Very Severe Cyclonic Storm (VSCS)
• Landfall: Tamil Nadu, India (between Nagapattinam and Vedaranyam)
• Impact: 45+ fatalities; 300,000+ displaced; catastrophic damage to coconut, banana, and cashew plantations; prolonged power outages (weeks in some areas).

2017

Cyclone Ockhi (November 29 – December 5)

• Category: Very Severe Cyclonic Storm (VSCS)
• Track: Originated near Sri Lanka, intensified rapidly, struck Lakshadweep, then Tamil Nadu/Kerala coasts
• Impact: 239+ fatalities (many fishermen at sea); 600+ missing; unprecedented rapid intensification caught forecasters off guard; highlighted gaps in early warning for small-scale fisheries.

2016

Cyclone Vardah (December 12–13)

• Category: Very Severe Cyclonic Storm (VSCS)
• Landfall: Tamil Nadu, India (near Chennai)
• Impact: 18+ fatalities; 10,000+ trees uprooted in Chennai; widespread power/communication disruption; port operations halted; $400+ million damage.

2015

Cyclone Chapala (October 28–31)

• Category: Very Severe Cyclonic Storm (VSCS), peaked as Category 4 equivalent
• Landfall: Yemen (near Mukalla) and Oman
• Impact: 11+ fatalities; first hurricane-strength cyclone to hit Yemen in recorded history; 8 years' worth of rain in 48 hours; catastrophic flash flooding in arid regions; Socotra Island severely affected.

Patterns and Takeaways

• Bay of Bengal dominates: 6 of 8 major landfalls (Amphan, Fani, Bulbul, Gaja, Ockhi, Vardah).
• Pre-monsoon (Apr–Jun) and post-monsoon (Oct–Dec) are peak seasons.
• Odisha, West Bengal, Tamil Nadu are the most frequently impacted Indian states.
• Rapid intensification (Ockhi, Amphan) is an increasing challenge for forecasting.
• Evacuation improvements (especially Odisha post-1999 Super Cyclone) have dramatically reduced mortality despite rising property losses.

Sources for Real-Time Tracking

• India Meteorological Department (IMD): mausam.imd.gov.in – official warnings, bulletins, track maps.
• Bangladesh Meteorological Department: bmd.gov.bd
• Joint Typhoon Warning Center (JTWC): metoc.navy.mil – US military perspective, global coverage.
• Windy / Nullschool / Zoom Earth: Excellent visualization of wind fields, pressure, satellite imagery.

Note: This list covers named cyclonic storms of Very Severe intensity or higher making landfall in South Asia (including Arabian Sea impacts on Yemen/Oman). Depressions, deep depressions, and weaker systems are not included. For post-2020 seasons, consult IMD and JTWC archives.