The India Meteorological Department (IMD) has issued a warning for the formation of Cyclone Dana over the Bay of Bengal, expected to significantly impact coastal regions in Odisha and West Bengal by October 23. An upper-air cyclonic circulation over the Andaman Sea is forecasted to develop into a low-pressure area within the next 24 hours.
According to a special weather bulletin from the IMD, this weather system will likely move west-northwest, intensifying into a depression by the morning of October 22, before evolving into a cyclonic storm by October 23 over the east-central Bay of Bengal.
Cyclone Dana: Predicted Movement and Rainfall Intensity
Following its formation, Cyclone Dana is anticipated to shift northwestward, reaching the northwest Bay of Bengal off the coasts of Odisha and West Bengal by the morning of October 24. The IMD predicts that these coastal areas will experience heavy rainfall from October 23 to 25.
IMD Director-General Mrutyunjay Mohapatra stated, "Some places in the coastal region may experience 20 cm rainfall on October 24-25. The intensity of the spell may also increase to 20 to 30 cm, and above 30 at some places," during an interview with a local TV channel. Fishermen are advised to return to shore by October 21 due to the storm's potential impacts.
Cyclone Dana Odisha: Wind Speed Warnings and Safety Precautions
The IMD has issued warnings regarding wind conditions, predicting squally winds of 40-50 km/h, gusting to 60 km/h, to commence on the evening of October 23 along the Odisha-West Bengal coast. These wind speeds are expected to escalate to 100-110 km/h, with gusts reaching up to 120 km/h from the night of October 24 to the morning of October 25. The IMD cautions that sea conditions will likely be rough during this period.
In addition to the heavy rainfall expected in Odisha and West Bengal, the IMD has indicated that light to moderate rainfall is likely in West Bengal and Andhra Pradesh. An orange alert has been issued for the Andaman and Nicobar Islands due to heavy rainfall predicted on October 20, while other states, including Tamil Nadu, Kerala, coastal Andhra Pradesh, and parts of Karnataka, Gujarat, Maharashtra, and Goa, are under yellow alerts for rainfall.
Broader Weather Implications of Cyclone Dana
The weather system, originating from an upper-air cyclonic circulation over the central Andaman Sea, was noted by the IMD on October 20. The IMD stated, “The cyclonic circulation over central Andaman Sea lay over the north Andaman Sea and neighbourhood at 0300 UTC today, 20 October. Under its influence, a low-pressure area is likely to form over the east-central Bay of Bengal and adjoining north Andaman Sea by next 24 hours.”
The IMD also forecasted squally weather with wind speeds reaching 35-45 km/h gusting to 55 km/h over the Andaman Sea until October 21, while the east-central Bay of Bengal may see wind speeds of 40-50 km/h gusting to 60 km/h on October 21. The situation may worsen with squally winds of 55-65 km/h gusting to 75 km/h by October 22 evening.
The IMD reported that squally winds with speeds reaching 40-50 km/h, gusting to 60 km/h, are expected to commence from the evening of October 23 along the Odisha-West Bengal coast. These winds are projected to increase significantly, escalating to 100-110 km/h, with gusts reaching up to 120 km/h, from the night of October 24 to the morning of October 25. The IMD warned that during this period, sea conditions are likely to be rough, posing dangers to maritime activities.
Mrutyunjay Mohapatra reiterated the seriousness of the situation, stating, "Some places in the coastal region may experience 20 cm rainfall on October 24-25. The intensity of the spell may also increase to 20 to 30 cm, and above 30 at some places," indicating a serious risk of flooding and other weather-related hazards.
The IMD also issued specific wind warnings for various regions:
Given the forecasted weather conditions, the IMD has advised fishermen to return to shore by October 21.
As Cyclone Dana develops, residents in the affected regions are urged to take necessary precautions and stay informed about ongoing weather updates to ensure safety during this potentially severe storm.
According to a special weather bulletin from the IMD, this weather system will likely move west-northwest, intensifying into a depression by the morning of October 22, before evolving into a cyclonic storm by October 23 over the east-central Bay of Bengal.
Yesterday’s upper air cyclonic circulation over central Andaman Sea lay over North Andaman Sea in the early morning (0530 hours IST) and persisted over the same region in the forenoon (0830 hrs IST) of today, the 20th October 2024. Under its influence, a Low Pressure Area is very…
— India Meteorological Department (@Indiametdept) October 20, 2024
Cyclone Dana: Predicted Movement and Rainfall Intensity
Following its formation, Cyclone Dana is anticipated to shift northwestward, reaching the northwest Bay of Bengal off the coasts of Odisha and West Bengal by the morning of October 24. The IMD predicts that these coastal areas will experience heavy rainfall from October 23 to 25.
IMD Director-General Mrutyunjay Mohapatra stated, "Some places in the coastal region may experience 20 cm rainfall on October 24-25. The intensity of the spell may also increase to 20 to 30 cm, and above 30 at some places," during an interview with a local TV channel. Fishermen are advised to return to shore by October 21 due to the storm's potential impacts.
Very heavy rainfall likely to occur over South Interior Karnataka and Andaman & Nicobar.
— India Meteorological Department (@Indiametdept) October 20, 2024
Heavy rainfall likely to occur over Gujarat State, Konkan & Goa, Madhya Maharashtra, Coastal & North Interior Karnataka, Kerala, Tamil Nadu, Rayalaseema and Andhra Pradesh today.… pic.twitter.com/Y3MrDlHJRL
Cyclone Dana Odisha: Wind Speed Warnings and Safety Precautions
The IMD has issued warnings regarding wind conditions, predicting squally winds of 40-50 km/h, gusting to 60 km/h, to commence on the evening of October 23 along the Odisha-West Bengal coast. These wind speeds are expected to escalate to 100-110 km/h, with gusts reaching up to 120 km/h from the night of October 24 to the morning of October 25. The IMD cautions that sea conditions will likely be rough during this period.
In addition to the heavy rainfall expected in Odisha and West Bengal, the IMD has indicated that light to moderate rainfall is likely in West Bengal and Andhra Pradesh. An orange alert has been issued for the Andaman and Nicobar Islands due to heavy rainfall predicted on October 20, while other states, including Tamil Nadu, Kerala, coastal Andhra Pradesh, and parts of Karnataka, Gujarat, Maharashtra, and Goa, are under yellow alerts for rainfall.
Rainfall Warning : 21st October to 25th October 2024
— India Meteorological Department (@Indiametdept) October 19, 2024
वर्षा की चेतावनी : 21st अक्टूबर से 25th अक्टूबर 2024#rainfallwarning #IMDWeatherUpdate #stayalert #staysafe #Tamilnadu #karnataka #andaman #nicobar #gujarat #odisha #kerala #WestBengal #AndhraPradesh @moesgoi @ndmaindia… pic.twitter.com/u4hrh8u8zd
Broader Weather Implications of Cyclone Dana
The weather system, originating from an upper-air cyclonic circulation over the central Andaman Sea, was noted by the IMD on October 20. The IMD stated, “The cyclonic circulation over central Andaman Sea lay over the north Andaman Sea and neighbourhood at 0300 UTC today, 20 October. Under its influence, a low-pressure area is likely to form over the east-central Bay of Bengal and adjoining north Andaman Sea by next 24 hours.”
The IMD also forecasted squally weather with wind speeds reaching 35-45 km/h gusting to 55 km/h over the Andaman Sea until October 21, while the east-central Bay of Bengal may see wind speeds of 40-50 km/h gusting to 60 km/h on October 21. The situation may worsen with squally winds of 55-65 km/h gusting to 75 km/h by October 22 evening.
The IMD reported that squally winds with speeds reaching 40-50 km/h, gusting to 60 km/h, are expected to commence from the evening of October 23 along the Odisha-West Bengal coast. These winds are projected to increase significantly, escalating to 100-110 km/h, with gusts reaching up to 120 km/h, from the night of October 24 to the morning of October 25. The IMD warned that during this period, sea conditions are likely to be rough, posing dangers to maritime activities.
Mrutyunjay Mohapatra reiterated the seriousness of the situation, stating, "Some places in the coastal region may experience 20 cm rainfall on October 24-25. The intensity of the spell may also increase to 20 to 30 cm, and above 30 at some places," indicating a serious risk of flooding and other weather-related hazards.
The IMD also issued specific wind warnings for various regions:
- Andaman Sea: Squally weather with wind speeds of 35-45 km/h, gusting to 55 km/h, is expected until October 21.
- East-central Bay of Bengal: Squally winds of 40-50 km/h, gusting to 60 km/h, are predicted on October 21, increasing to 55-65 km/h, gusting to 75 km/h by the evening of October 22. Winds may reach 70-90 km/h, gusting to 100 km/h from the evening of October 23 until the morning of October 24.
- North Bay of Bengal: Winds are anticipated to commence at 40-50 km/h, gusting to 60 km/h from the morning of October 23, eventually increasing to gale-force winds of 100-110 km/h, gusting to 120 km/h from the evening of October 24 to the morning of October 25.
Given the forecasted weather conditions, the IMD has advised fishermen to return to shore by October 21.
As Cyclone Dana develops, residents in the affected regions are urged to take necessary precautions and stay informed about ongoing weather updates to ensure safety during this potentially severe storm.
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