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From: Dan Richter (1:317/3)
To: All
Date: Mon, 07.06.21 13:00
MODIS Pic of the Day 07 June 2021
June 7, 2021 - Flooding from Yaas in India


Flooding from Yaas in India

On May 26, 2021, Very Severe Cyclonic Storm Yaas made landfall over the
eastern India state of Odisha, bringing roaring winds, torrential rain,
and strong storm surge to coastal regions. Sustained winds at landfall
were estimated at 130-140 km/h (81-87 mph), with gusts reaching 155
km/h (96 mph). Storm surge in some coastal areas reached about 3 meters
(9.8 feet).

As Yaas moved inland, the storm’s windspeed dropped quickly but the
soaking rains were unrelenting, triggering heavy flooding across
Odisha, West Bengal, and Jharkhand. On May 27, local news outlets
reported that more than 600 roads had been damaged in Odisha, with 128
villages had been cut due to the road damage. On that same day, the
Global Disaster Alert and Coordination System (GDACS) reported that at
least six people had died in India due to the storm and that 22,000
houses had been damaged in Odisha and West Bengal. They also state that
15,000 people were displaced in 200 villages in Bangladesh as their
homes, shops and farms suffered flooding.

On June 3, 2021, the Moderate Resolution Imaging Spectroradiometer
(MODIS) on board NASA’s Aqua satellite acquired a false-color image
that highlighted the massive and lingering flooding across portions of
eastern India. This type of false-color image, using bands 7,2, and 1
on the MODIS instrument (visible and infrared light), shows open land
in shades of tan, vegetation as bright green, and water as deep blue.
This makes it easy to see the widespread flooding that spreads inland
many miles along much of the coastline of the state of Odisha.

Even more information can be gathered from comparing the area before
and after the flooding. Thanks to the NASA Worldview App, this image
acquired on June 3 can be compared to an image of the same area
acquired by Aqua MODIS on May 3, 2021. This was before Very Severe
Cyclonic Storm Yaas struck the area. To view the comparison, click

Image Facts
Satellite: Aqua
Date Acquired: 6/3/2021
Resolutions: 1km (208.3 KB), 500m (471.4 KB), 250m (266.5
Bands Used: 7,2,1
Image Credit: MODIS Land Rapid Response Team, NASA GSFC
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