By Harmony Mendoza Meteorologist
Source: National Weather Service
What Caused the Flooding?Source: National Weather Service
Much of the area affected was already wet before torrential rains fell over an approximately 48-hour period, from March 17 to March 19. Soils were wet from previous rain and, in some cases snow melt. As a result, the ground could not absorb much of the rain that fell. In fact, the antecedent rain and snow melt caused flooding and many rivers were still running high, with considerable flooding in progress as the new round of rain occurred.
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Image Credit: Hydrologic Information Center