Understanding IMD Monsoon Alerts: What Yellow, Orange, and Red Warnings Mean
The India Meteorological Department (IMD) issues color-coded monsoon alerts to warn residents about potential heavy rainfall and associated risks. Here’s what each color means and how to stay safe.
Monsoon AlertsImdHeavy RainfallDisaster ManagementColorcoded WarningsReal Estate MumbaiAug 19, 2025
Green Alert
A green alert indicates normal weather with little or no rainfall. This is the least severe level of alert and generally means that no immediate action is required.
Yellow Alert
A yellow alert signals that heavy rainfall is expected within the next 24 to 48 hours. While not immediately dangerous, it advises residents and authorities to stay updated, monitor local conditions, and remain cautious, especially in flood-prone areas. This alert serves as a preliminary warning to take necessary precautions and be prepared for potential disruptions.
Orange Alert
An orange alert warns that heavy to very heavy rain is likely within 24 hours, with the potential for localised flooding or landslides. Authorities are advised to be ready for emergency measures, and the public is urged to avoid unnecessary travel and take precautions in vulnerable zones. This alert indicates a higher level of risk and requires increased vigilance and preparation.
Red Alert
A red alert is the most severe warning, issued when extremely heavy rainfall is expected. This may lead to widespread flooding, disruption of transport, or damage to property. Residents are advised to remain indoors, follow official instructions, and prepare for possible evacuation in risk-prone regions. This alert is a call to action for both authorities and the public to take immediate and decisive steps to ensure safety.
Alerts Issued by IMD
On Tuesday, August 19, the IMD issued multiple alerts across several states. Konkan and Goa, the ghat areas of central Maharashtra, Vidarbha, and Gujarat’s Saurashtra and Kutch were placed under red alerts, forecasting extremely heavy rain, thunderstorms, lightning, and strong winds. Many of these warnings extend into August 20, with rainfall intensity expected to taper gradually.
In Marathwada, the IMD forecast scattered to fairly widespread showers, along with thunderstorms, lightning, and gusty winds reaching 40–50 kmph. States like Telangana, Chhattisgarh, and Kerala were placed under orange alerts, urging heightened preparedness.
In addition, the IMD issues heavy rainfall warnings that may be accompanied by advisories for strong winds, lightning, or thunderstorms. These alerts help disaster management authorities, municipalities, and citizens take timely action to reduce risks and ensure safety. By staying informed and following the guidelines provided by the IMD, residents can better prepare for and mitigate the impact of monsoon-related challenges.
Frequently Asked Questions
What is a green alert in the IMD monsoon alert system?
A green alert indicates normal weather with little or no rainfall. It is the least severe level of alert and generally means no immediate action is required.
What should residents do during a yellow alert?
During a yellow alert, residents should stay updated, monitor local conditions, and remain cautious, especially in flood-prone areas. It is a preliminary warning to take necessary precautions.
What does an orange alert indicate?
An orange alert warns of heavy to very heavy rain likely within 24 hours, with potential localised flooding or landslides. Authorities and residents are advised to be ready for emergency measures and avoid unnecessary travel.
What actions should be taken during a red alert?
During a red alert, residents should remain indoors, follow official instructions, and prepare for possible evacuation in risk-prone regions. It is the most severe warning and requires immediate and decisive action.
How does the IMD help in disaster management during monsoons?
The IMD issues color-coded alerts and heavy rainfall warnings, which help disaster management authorities, municipalities, and citizens take timely action to reduce risks and ensure safety during monsoon-related challenges.
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