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MapMaster 3

Atlas (Beta)
MapMaster 3

Flooding (U.S.)

North AmericaPhysical Environment

Number of flood events between 1950 and 2020.

NOAA

Flood events in the U.S. are shown with dark blue to light blue shades. High flood areas include California, Arizona, Texas, and the southeastern U.S. Fewer floods are noted in the central and northern mountain regions like Montana and Wyoming.

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Countries

Flooding (U.S.)

Acid Rain

Class

Rank

Flood events

4.70–4.79 pH

4.80–4.89 pH

4.90–4.99 pH

5.00–5.09 pH

5.10–5.19 pH

≥5.30 pH

1.13%1.16%1.51%1.42%1.12%45.8%
0.16.0