NASA satellite images from Worldview show heatwave impact in northern India

Large parts of rrn India have been witnessing extreme heatwave condition for past few days after an unusual start to summer with scattered rains. Indian Meteorological Department (IMD) warned of severe heatwave conditions on May 23 in plains of rthwest India and joining Central India which has been duly felt over week. 

Satellite ims provided by NASA’s Worldview, an open-source project launched by US ncy, gave a glimpse of ongoing extreme heatwaves in India. ims for May 27, with a land temperature of around 52-degree celsius near Delhi during daytime, are in stark contrast with earlier ims of April when ground temperature was around 31-degree celsius near same region.

Different from air temperature

However, land temperature differs from air temperature as feature provides temperature of whatever is covering earth surface which could range from bare sand in desert, ice and sw-covered area, a leaf-covered tree capy and even temperature of man-me buildings and ros.

“Land Surface Temperature is useful for monitoring changes in wear and climate patterns and used in agriculture to allow farmers to evaluate water requirements for wheat, or determine frost dam in orange groves,” says Worldview website.

open-source platform NASA's Earth Observing System Data and Information System (EOSDIS) provides capability to interactively browse over 900 global, full-resolution satellite imry layers. layers are related to drought, fires, ash plumes, dust storms, air quality, floods, smoke plumes, severe storms, and vegetation among ors.

Above im is from March 1 when maximum temperature remained around 27-degree celsius.

While maximum temperature showed a significant increase, it still remained moderate in rth India as visible from above im from April 1.

This is latest im from May 27 when several pockets of rth India is going through severe heatwave condition. 

IMD has predicted respite from heatwave from May 29 onwards in Delhi and or rth Indian states with dust storm, thunderstorm and light rains in coming days.

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