NOAA LEO/GEO Flood Mapping
Description
The Geostationary and JPSS Flood map product is developed by George Mason University and the products are processed in near real time at the Cooperative Institute for Meteorological Satellite Studies
Disaster Risk Response Stage
Preparedness
Response
Response
Category
Flood Extent Mapping
Temporal Use
Current observation
Retrospective analysis
Input Network
CEOS
GEO
GEO
Input Network Member
NASA
Provider Organization
NOAA CIMSS, University of Wisconsin, GMU
Point of Contact
William Straka, Sanmei Li
E-mail
Source
https://jpssflood.gmu.edu/
1-day VIIRS composite: https://noaa-jpss.s3.amazonaws.com/index.html#JPSS_Blended_Products/VFM_1day_GLB/ 5-day VIIRS composite: https://noaa-jpss.s3.amazonaws.com/index.html#JPSS_Blended_Products/VFM_5day_GLB/
Geographic Domain
Global
Geographic Product Locations
Global
Geographic Product Locations - Detailed
Producing Daily Global Coverage?
Yes
Globally Extensible
Yes
Product Delivery Latency
Daily (Joint, 1-day and 5-day composites)
Hourly (ABI/AHI only )
30 min (Direct Broadcast data)
Data Type
Optical
Associated Capacity Development Resources
None
Product Format
GeoTIFF, Shapefile, Web
Archived
Yes
Tailored Service Available
Unknown
License Type
Unknown
Spatial Extent
Land surfaces from 60S to 75N
Spatial Scale
375m/30m (VIIRS and VIIRS downscaled)
1km (ABI/AHI)
375m/1km (Joint Product)
Caveats
Agricultural-related flooding: Some flooding water
shown in the VIIRS flood maps may not be any hazardrelated flooding, but from agriculture-related activities
such as rice paddy planting and aquaculture.
● Tides and Marsh lands: In some regions especially
coastal areas, consistent flooding may be detected in the
flood maps. These floods are mostly caused by the tides
or occur over marsh lands, which do not pose any social
impact.
● Water reference map: The current water reference map
we use for global flood mapping is from global water
bodies of ESA CCI and MODIS global water mask
(MOD44W Version 006). It might not reflect the new
reservoirs and other hydraulic projects built after 2015,
which may take some normal water as flooding water.
● Solar Eclipses: For granules that are flagged as an
“eclipse”, the flood product will not be produced.
Frequency
VIIRS - 2x per day (1 for N20, 1 for NPP)
ABI/AHI - hourly composites utilize FD data every 10 minutes
Joint, daily, 5-day products - produced 1x per day
Overpass Latency
DB/ABI GRB - 10min
90/120 min - VIIRS granuels
Downlink Latency
DB/ABI GRB - 10min
90/120 min - VIIRS granuels
Processing Latency
5min/granule or less
Impacted By Cloud Shadows
Unknown
Impacted By Terrain Shadows
Unknown
Status
Operational
Input By
John Murray, NASA Applied Sciences
Notes
Variable down-scaling w/ DEM default 30m currently in development
1-day VIIRS composite: https://noaa-jpss.s3.amazonaws.com/index.html#JPSS_Blended_Products/VFM_1day_GLB/
5-day VIIRS composite: https://noaa-jpss.s3.amazonaws.com/index.html#JPSS_Blended_Products/VFM_5day_GLB/
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