5. Discuss the meaning of color-coded weather warnings for cyclone prone areas given by the India Meteorological Department. (Answer in 150 words)

Cyclone colour coding

IMD’s uses different colour codes since 2006 as desired by the National Disaster Management:

Green: “all is well” with no adverse weather conditions.
Yellow: “be updated” to handle the bad weather that can last for days, with a warning of affecting daily activities.
Orange: “be prepared” Warning of extreme damage to communication disruptions that can lead to power cuts, and road and railway blockages. It is also a sign for evacuation.
Red: “take action” is the highest level of warning when there is a threat to life with the worst weather conditions.

Stages:

The First Stage (“PRE-CYCLONE WATCH”): issued 72 hours in advance, contains an early warning about the development of a cyclonic disturbance.
The Second Stage (“CYCLONE ALERT”): issued at least 48 hours in advance, information about the commencement of adverse weather over the coastal areas.
The Third Stage (“CYCLONE WARNING”): issued at least 24 hours in advance. The landfall point is forecast at this stage.
The Fourth Stage (“POST LANDFALL OUTLOOK”): issued at least 12 hours in advance of the expected time of landfall.
6. Discuss the natural resource potentials of “Deccan Trap’. (Answer in 150 words)

Oil and natural gas potential:
Scientists from the city-based National Geophysical Research Institute (NGRI) have noticed the presence of oil and natural gas and also shale gas.
Soil samples collected from Telangana and other areas revealed the potentiality of the region in oil and natural gas reserves.
Mesozoic-Gondwana sediments were found with a maximum thickness of 3 km.
Uranium potential:
Uranium mineralisation is found at the Deccan trap (basalt)-lameta-crystalline basement contact zone hosted in ferruginous chert veins occupying fractures in the basal part of the flow as well as in pseudo quartzites in the lameta formation.
Groundwater resources potential:
The older rocks have a syncline for the water. It will be done under the Jal Jeevan Mission (Maharashtra will be the first state).

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