Are places in a drought more vulnerable to flash floods?



  1. 0 Votes

    Yes.  Drought often creates hard surface crusts that increase runoff, and prolonged dryness compromises the soil’s ability to absorb water.  Bacteria and fungi in the soil go dormant, earthworms leave or die, and burrowing mammals die from lack of food. These organisms all contribute to soil structure, drainage, and the ability of soil to absorb and hold moisture.

  2. 0 Votes

    Flash floods can certainly be more damaging to areas in drought. When a flash flood occurs in an area with normal conditions, the ground may be able to absorb some of the precipitation and mitigate the damage from water run-off. However, if an area has been in drought, the ground will be very dry and packed and less able to absorb water, thus creating conditions for more of a flood to occur and more damage to be inflicted.

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