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In reply to the discussion: Trump drowned those girls at camp in Texas. [View all]yellowdogintexas
(23,370 posts)with high water but nothing even close to yesterday. If NOAA and National Weather Service had been at normal capacity the slower movement of the storm probably would have been seen.
This event was unique in that it dropped 13" in a very short period over one spot. The water literally has no place to go because the ground is like bricks and won't soak up the water, so it fills up the channel and spreads out. Ancillary drainage channels could have diverted the water somewhat but it is really difficult when that much falls at that rate. That amount of rain over a 24 hour period would have had far less impact.
Problem is, while the weather radar and all that will show the approaching system, it can't predict that a storm will stall and just dump for a couple of hours. Think about that hurricane that veered inland and caused all the flooding in eastern Ky and Tennessee last year.
I was at my daughter's house in Phoenix during Monsoon Season when a rainstorm literally stopped on top of her neighborhood. We could not see the house next door! It rained solidly for 2 hours, approximately 2 1/2 to 3 inches right in that same spot. In no time she had water coming into her house, her back yard had a roaring stream, her swimming pool flooded, the water in the street was over a foot deep and the large drainage pit in the front yard was full in maybe 10 minutes. (it is a large cone shaped hole about 8 feet deep and 10 feet in diameter with a drain in the bottom, and had not filled up like that for a long time). We learned later that other houses in the vicinity flooded a foot deep.
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