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Begin with place, valid time and hazard. The colour then tells you the attention or action level.
Colour is only one layer · UttaraPedia · explanatory diagram based on IMD legendUTTARAPEDIA · 2 / 8
Green indicates no warning or no action in the IMD legend. Still read the forecast for ordinary weather.
Green: no warning · UttaraPedia · explanatory diagram based on IMD legendUTTARAPEDIA · 3 / 8
Yellow is a watch level. Notice the hazard and review plans that depend on weather.
Yellow: be aware · UttaraPedia · explanatory diagram based on IMD legendUTTARAPEDIA · 4 / 8
Orange asks users to be prepared to take action. It does not mean identical impact everywhere.
Orange: be prepared · UttaraPedia · explanatory diagram based on IMD legendUTTARAPEDIA · 5 / 8
Red carries take-action wording. Follow the official impact advice and local authority instructions.
Red: take action · UttaraPedia · explanatory diagram based on IMD legendUTTARAPEDIA · 6 / 8
Rain, lightning, hail, fog, heat and wind require different decisions even at the same colour.
Name the hazard · UttaraPedia · explanatory diagram based on IMD legendUTTARAPEDIA · 7 / 8
IMD notes that a red colour warning should not automatically be rewritten as “red alert.”
Do not rename the warning · UttaraPedia · explanatory diagram based on IMD legendUTTARAPEDIA · 8 / 8
Write place, valid time, hazard and colour before forwarding a warning screenshot.
Share one complete line · UttaraPedia · explanatory diagram based on IMD legend