STORMS & DISASTERS · 1 NOV 2026

Tropical Cyclone FOUR-26 Triggers Red Alert Over Bay of Bengal

Tropical cyclone FOUR-26 has triggered a Red alert in the North Indian basin, with winds of 120 km/h and about 1,156,000 people in India exposed.

Red alert: Cyclone FOUR-26

AT A GLANCE

  • Red alert for tropical cyclone FOUR-26 in the North Indian basin
  • Maximum sustained winds of 120 km/h
  • About 1,156,000 people in India exposed to Category 1 winds or higher
  • Chennai forecast to see heavy rain on Monday 2 November

Tropical cyclone FOUR-26 is active in the North Indian basin and has been given a Red alert level by international disaster monitoring. Its maximum sustained wind speed is 120 km/h, and about 1,156,000 people in India are estimated to be exposed to Category 1 winds or higher.

What is tropical cyclone FOUR-26?

FOUR-26 is a tropical cyclone classed as a Tropical Storm in the latest information, with maximum winds of 120 km/h. It began on Sunday 1 November, and the most recent update came at 06:00 GMT that day. Red is the highest level of alert, which is why this system is being treated seriously.

Where is the cyclone now?

The centre sits at 12.2 degrees north and 84.8 degrees east, over the Bay of Bengal in the North Indian basin. India is the only country named as affected. Its vulnerability is rated High, which means the people exposed could find it harder to cope with the impact of strong winds.

How many people could be affected?

The estimate is about 1,156,000 people exposed to winds of 120 km/h or higher. That figure describes exposure to the wind, not damage. No information on damage or casualties is available, and none should be assumed.

Forecast for nearby cities

These forecasts are for cities in the wider region. They are not stated to be caused by the cyclone, but they matter for anyone planning travel there.

Chennai, about 500 km away, has the most notable forecast. Sunday 1 November is cloudy and dry, then Monday 2 November turns to heavy rain with about 47.4 mm expected. Tuesday 3 November stays showery with light rain, around 1.4 mm. Winds stay modest, between 19 and 23 km/h.

Bengaluru, about 790 km away, has light showers on Sunday 1 November, then rain on Monday 2 November with 8.6 mm. Tuesday 3 November brings heavy rain with about 10.1 mm, so it is the wetter of the two days there.

Colombo in Sri Lanka, about 800 km away, sees light showers on Sunday 1 November, then rain on both Monday 2 November and Tuesday 3 November, with 4.2 mm and 5.6 mm respectively. Winds there stay light.

What this means for you

  • If you live or travel in the affected part of India, follow your local authorities and check the latest forecasts regularly, since cyclone conditions can change quickly.
  • Heavy rain, as forecast for Chennai on Monday 2 November, can make roads slow and slippery, so allow extra time for journeys.
  • Secure loose items outdoors and keep phones charged if strong winds are expected where you are.
  • Check with airlines, railways or ferry operators before travelling, as strong winds and heavy rain can disrupt schedules.

What to watch next

The key questions are where the centre of FOUR-26 moves and whether its winds strengthen or ease. We will keep updating as new information arrives. For now, the main facts are a Red alert, winds of 120 km/h and about 1,156,000 people in India exposed.

Nearby city forecasts

City Distance Day Rain Wind
Chennai, India 500 km Sunday 1 November 0.0 mm 19 km/h
Chennai, India 500 km Monday 2 November 47.4 mm 22 km/h
Bengaluru, India 790 km Sunday 1 November 0.5 mm 15 km/h
Bengaluru, India 790 km Monday 2 November 8.6 mm 17 km/h
Colombo, Sri Lanka 800 km Sunday 1 November 0.8 mm 18 km/h
Colombo, Sri Lanka 800 km Monday 2 November 4.2 mm 13 km/h

Event details from international disaster monitoring (Red alert); city forecasts retrieved 1 November 2026, 09:20 UTC. Always follow your national weather service and local authorities.

LIVE FORECASTLive forecast for ChennaiHourly and 10-day forecast.