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Impressive Rain Totals



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It all happened so quickly, and that’s why Sunday morning’s torrential rainfall made such a mess all over the Sioux Empire. It started with several scattered showers and thunderstorms that developed between Sioux City and Sioux Falls.
It all happened so quickly, and that’s why Sunday morning’s torrential rainfall made such a mess all over the Sioux Empire. It started with several scattered showers and thunderstorms that developed between Sioux City and Sioux Falls. Then, one became severe as it moved into the Sioux Falls area from Turner County. That particular cell sat over Sioux Falls for quite some time, constantly building on the back side leading to more heavy rain that would continue through the night.

We call this scenario “training.” When several thunderstorms develop along a line and move along that line like train cars move along a train track. Cities like Salem, Sioux Falls, Tea, Harrisburg, and several NW Iowa cities like Archer and Sanborn picked up impressive amounts of rainfall in a short amount of time.

Here’s a look at how much rain each city’s airport picked up, and it’s easy to see where this line set up. The only locations to pick up over 2 inches form a line from Huron, then southeast toward Sioux Falls and Spencer.




Of course, several locations that fell between these individual rain gauges picked up even more. In fact, the south side of Sioux Falls seemed to be the hardest hit as some reported over 5 and 6 inches! Here’s a list of some of these reports along with a map that the National Weather Service put together to show where the heaviest rains fell.





Of course, with this occurring during the overnight; it was difficult for some motorists to see where water covered roadways. One of the hardest hit parts of Sioux Falls was the low lying intersection of 49th and Louise Avenue where several vehicles stalled in the flooded water and were forced to park in nearby lots until sunrise.





Thankfully, the flood waters ran off to rivers and streams by sunrise. Of course, that led to higher river stages and very fast moving waters. Here’s a couple of pictures sent to us by Mark Krebs along the Big Sioux River at Falls Park and Yankton Trail Park.







Though this rain was somewhat of an inconvenience, at least for most people; it is going to lead to more improvements in the drought department. Keep in mind that parts of the Upper James River Valley near Clark and Aberdeen are already out of the drought completely. Let’s hope things stay that way.



As always, stay tuned to KDLT and KDLT.com for the very latest on this week’s very wet pattern.
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