Lingering Floods in Louisiana
acquired June 8, 2011 download large image (4 MB, JPEG, 3840x2880)
Lingering Floods in Louisiana
acquired June 9, 2010 download large image (5 MB, JPEG, 3840x2880)
acquired June 9, 2010 - June 8, 2011 download Google Earth file (KMZ)

Flood conditions lingered along parts of the Mississippi and Atchafalaya Rivers in Louisiana in early June 2011. On June 9, 2011, the Advanced Hydrological Prediction Service (AHPS) of the U.S. National Weather Service reported major flooding at Baton Rouge, and moderate flooding at Red River Landing and Morgan City.

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured these images on June 8, 2011 (top), and June 9, 2010 (bottom). Both images use a combination of visible and infrared light to increase contrast between water and land. Water in and around the Mississippi River is navy blue. Land varies in color from brown to green, depending on vegetation. Clouds vary from off-white to blue-green. In June 2011, high water is especially visible near Red River Landing, and in the Morganza Floodway.

On June 9, 2011, the AHPS reported that the Mississippi River reached 40.13 feet (12.23 meters) at 2:00 p.m. local time at Baton Rouge, and 57.97 feet (17.67 meters) at 1:00 p.m. at Red River Landing. The AHPS reported that the Atchafalaya River reached 8.74 feet (2.67 meters) at 2:00 p.m. at Morgan City. Water levels were projected to slowly decline at all three locations over the next few days.

In the 2010 image, the light color of the ocean water along the right edge of the image is probably part of the oil slick in the Gulf of Mexico, highlighted by the Sun’s reflection on the ocean surface.

  1. References

  2. National Weather Service. Advanced Hydrologic Prediction Service. Accessed June 9, 2011.

NASA images courtesy MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott.

Instrument(s): 
Terra - MODIS

Lingering Floods in Louisiana

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