Flooding in Poland
May 23
acquired May 23, 2010 download large May 23 image (5 MB, JPEG, 3840x2880)
Flooding in Poland
April 26
acquired April 26, 2010 download large April 26 image (5 MB, JPEG, 3840x2880)

Severe flooding raised Poland’s rivers to their highest levels in over a century, United Press International reported on May 26, 2010. The Associated Press reported that heavy rains, beginning in mid-May, had pushed rivers over their banks throughout southern Poland. Parts of Hungary, Slovakia, and the Czech Republic also experienced flooding.

These images from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite show an area along the Vistula River affected by heavy rains. The top image is from May 23, 2010, and the bottom image is from April 26, 2010. Both images use a combination of infrared and visible light to increase the contrast between water and land. Water appears in varying shades of blue, and vegetation appears in varying shades of green.

The Vistula River is discernibly swollen in the image from late May, apparently having pushed over its banks and onto floodplains at multiple locations along its route. Near Mielec and Krakow, the same river is barely visible in late April. The brighter shades of green throughout the later image indicate that vegetation has increased, which might result partly from the increased soil moisture, but probably is simply seasonal change.

  1. References

  2. Associated Press. (2010, May 18). Floods in Poland kill 5. CBC. Accessed May 26, 2010.
  3. United Press International. (2010, May 26). Flooding in Poland spreads beyond borders. Accessed May 26, 2010.

NASA image courtesy MODIS Rapid Response Team at NASA GSFC. Caption by Michon Scott.

Terra - MODIS

Flooding in Poland

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Vistula River Flooding, Southeastern Poland