About:
- A Yellow Alert is a colour-coded weather warning issued by the India Meteorological Department (IMD) to indicate the possibility of hazardous weather conditions. It is the first level of warning and advises people and authorities to “Be Aware” or “Be Updated” about the evolving weather situation.
Key Features
- Meaning: Be Aware / Be Updated.
- Purpose: To provide early warning so that citizens and disaster management authorities can take precautionary measures.
- Issued for: Heavy rainfall, thunderstorms, lightning, strong winds, heatwaves, dense fog, snowfall, or other adverse weather events depending on the season.
Rainfall Criteria (for Rainfall Warnings)
- Heavy Rainfall: 64.5 mm to 115.5 mm in 24 hours.
- Such rainfall may cause localized waterlogging, traffic disruptions, and minor damage in vulnerable areas.
IMD Colour-Coded Warning System
| Colour | Meaning | Action Required |
| Green | No Warning | No action needed |
| Yellow | Be Aware / Be Updated | Monitor weather updates and remain cautious |
| Orange | Be Prepared | Prepare for possible severe weather impacts |
| Red | Take Action | Immediate action required; high risk to life and property |
Conclusion
A Yellow Alert is an early warning issued by the IMD to encourage preparedness and vigilance before hazardous weather conditions intensify.
| This concept has been elaborately discussed in the following article: Orange Alert in Kerala: IMD Heavy Rainfall Warning |