![]() *The Shuttle Water Boundary Data are at 90 m spatial resolution and provide a useful reference water. Individual scenes from other sensors cover much smaller areas within this region. MODIS-based data cover the region but may be interupted by cloud cover. Special for this event: small red squares are USGS gauging stations above flood stage on May 28, 2015. Very light blue: All flooding mapped by DFO since yr 2000. Dark blue: Permanent water, February, 2000 (SWBD*). Darker Red: Flooded areas from high resolution Sentinel 1, Cosmo-Sky Med(radar sensors) or Landsat or EO-1 data. Light Red: Flooded during this event, from earlier MODIS coverage or non-automated MODIS mapping, now dry land. Red : Flooding within past 14 days (includes MODIS automated product). Obtain some sample kmz files of flooded areas: Nueces, Trinity, Red, Arkansas, Brazos near Houston. pdf format Maximum Flood Extent Map is manually created after maximum inundation is attained and is produced on request only. 2) The same map is available as a simplified Geotif file. DFO terminates the updating when the flood has receded. It also accumulates a complete record of flooding. This map updates daily during the flood event. ![]() There may be four map products available here for this flood event: 1 ) A "Current Conditions and Maximum Flood Extent" map, provided below. Current Conditions and Maximum Flood Extent, 2015 Flooding in Texas, Oklahoma, and Arkansas, USA DFO Event # 4252 Coverage Begins: May 14,2015.
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