Published on 19 May 2024
Sci & Tech India Meteorological Department (IMD)
cyclones
It is issued by the India Meteorological Department (IMD), whose objective is to alert people ahead of severe or hazardous weather which has the potential to cause damage, widespread disruption or danger to life.
The IMD’s four colour codes are;
Green: This code means that “all is well” and there is no likelihood of any adverse weather-related incident, and there are no advisories issued.
Yellow: The colour yellow signals authorities to “be aware” or on their guard, with the likelihood of severely bad weather that could last several days at a stretch, while also suggesting that the weather could take a turn for the worse and upset daily activities.
Orange: Meaning “be prepared”, the orange alert is a warning for extremely bad weather, electricity blackouts, and the possibility of communication disruptions, including road and rail closures.
Red: The IMD issues the highest level of warning—indicating authorities should “take action”—only when it is guaranteed that bad weather is going to upend travel and power and pose a significant risk to life.
These alerts are universal and are not used exclusively for rainfall but for a range of natural calamities including floods, cyclones, snowstorms and other dangerous weather events.
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