Whole Earth image from JHT's Planetary Pixel Emporium
There are two map series accessible from the above global index: "Current Flood Conditions", providing daily, satellite-based updates of surface water extent, and the "Global Atlas of Floodplains", a remote sensing record of floods, 1993 to 2015. Links to GIS data supporting the displays are also provided. This >20 year long effort has been sustained by grants and contracts from NASA, the European Commission, the World Bank, the Latin American Development Bank and others to Dartmouth College and to the University of Colorado.
Current 7-day Accumulated Rainfall
from NASA Goddard Space Flight Center Satellite Precipitation
from NOAA Office of Satellite and Product Operations Operational Hydro-Estimator 7-day Satellite Rainfall Estimates
Current NASA Worldview MODIS Display
Daily updates at 14:30 Local Denver Time
RECENT EVENTS: Flood Hydrographs from Microwave radiometry
Rivers in southern India flooded after passage of a tropical deep depression: River Watch Site 2041, below.
These Microwave River Watch sites are also tracking current drought conditions: example Site 277, below, Zambezi River, Zambia
Large floods also affect the coastal ocean. Below left: MODIS image of Angat River mouth, NW of Manilla, Sept. 23, 2015. Below right, MODIS image from Oct. 21, 2015, after passage of Typhoon Lando/Koppu
Plot of total number of large and extreme floods listed in the DFO Flood Archive
Geographic Centers of floods in the FloodArchive GIS file, 1985-2010
The Flood Observatory facilitates practical use of space-based information for international flood detection, flood response, future risk assessment, and hydrological research. In 2013-2017, it is leading a NASA SMD/ESD Applied Sciences Program project to improve World Food Programme use of flood mapping information. Click on video below for visualization of WFP logistics. Also see this video for information about the role of the International Charter for Space and Major Disasters in making satellite data available for disaster response.
(counting since February 7, 2012)
This web site and associated data by G. Robert Brakenridge and Albert J. Kettner are licensed under a Creative Commons Attribution 3.0 Unported License.
This work is made possible by data acquired by NASA, the Japanese Space Agency, and the European Space Agency, and funding support from NASA and the European Commission, through the Global Disaster Alert and Coordination System (GDACS) project, Joint Research Centre, Ispra, Italy. The Observatory was founded in 1993 at Dartmouth College, Hanover, NH USA and moved to the University of Colorado, INSTAAR, CSDMS in 2010. The institutional support of both universities is gratefully acknowledged.