Green Flood Alert in India

Green Flood Alert in India

Overview
Green flood alert in India Sat, 1 Aug 2009 00:00 +0000Source: Dartmouth Flood Observatory based on media analysis
See also experimental flood monitoring system for India
Analysis: 4-Aug-09:"Around 50,000 people are still stranded in flood-hit Bihar though the Bagmati river, which breached its embankment and inundated nearly 200 villages in Sitamarhi and Muzaffarpur districts, has started to recede. Officials have intensified rescue...
The flood started on 8/1/2009 and ended on 8/4/2009, with a duration of 4 days. This flood has severity class 2 (i.e. this is an extreme event with an estimated recurrence interval greater than 100 years).
The main cause is Levee failure.
NEW! Calculation of alert score has been revised. The alert score is now based on the reported death and displaced. Red = 1000 or more people killed or 800000 or more people displaced. Orange = 100 or more people killed or 80000 or more displaced.
alert score: 1
magnitude: 5.1
duration: 4
severity: 2
affected region: 21200 km2

Impact
Reports indicate that person(s) have been killed and 3000 have been displaced. No reports on damage have been found. The flood affected a region of approximately 21200 km2.
Location
For the following locations damage has been reported: Bihar, Bagmati River, Tilaktajpur under Runnisaidpur block in Sitamarhi
The approximate geographic location of this flood is NaN latitude and NaN longitude. This is the centroid of the affected area, as determined by the place names mentioned in the media.
Rivers in flood:
Satellite observations (experimental)Show
The movie below shows the calibrated microwave brightness temperature (36.5GHz) of the area in flood. In some cases, this allows to see the extent of the flood (shown in red areas). The circles have radii of 100km and 200km.
Maps (around approximate geographic location)
Population density mapCloud mapTopographic mapArchived satellite image (from around 2000)