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Date of Images:<\/span><\/p>

9/3/2023, 9/4/2023, 9/5/2023, 9/6/2023, 9/8/2023, 9/10/2023<\/span><\/p>

Summary:<\/span><\/p>

The Advanced Rapid Imaging and Analysis (ARIA) team at NASA's Jet Propulsion Laboratory and California Institute of Technology derived the Water Extent Maps using the OPERA Dynamic Surface Water Extent (DSWx) product suite depicting areas that were flooded due to Hurricane Idalia that hit Florida, USA on August 30, 2023. In particular, the flood maps were created by stitching relevant tiles from the Binary Water (B02_BWTR) layer covering the period of September 03-10, 2023. The OPERA DSWx-HLS Binary Water product classifies the Harmonized Landsat Sentinel-2 (HLS) input imagery into "not water" and "water".<\/span><\/p>

The results posted here are preliminary and unvalidated results, primarily intended to aid the field response and people who wanted to have a rough first look at the flood extent. The ARIA-share website has always focused on posting preliminary results as fast as possible for disaster response. <\/span><\/p>

The post-processed products are available to download at <\/span>https://aria-share.jpl.nasa.gov/202308_Florida_Hurricane_Idalia/DSWx-HLS/<\/span><\/a>. The OPERA DSWx-HLS products are freely distributed to the public via NASA's Physical Oceanography Distributed Active Archive Center (PO.DAAC) and can be downloaded through NASA's Earthdata search. For more information about the OPERA project and other products visit <\/span>https://www.jpl.nasa.gov/go/opera<\/span><\/a>.<\/span><\/p>

For more information about the product, please refer to the DSWx Product page: <\/span>https://www.jpl.nasa.gov/go/opera/products/dswx-product-suite<\/span><\/a><\/p>

Suggested Use:<\/span><\/p>

The OPERA DSWx-HLS Binary Water product classifies the Harmonized Landsat Sentinel-2 (HLS) input imagery into "not water" and "water". The "cloud/cloud shadow" and "snow/ice" layers are direct inputs from the HLS FMask. <\/span><\/p>