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May 19, 2013 08:31 AM

Storm Center Update - Sunday AM

We’re starting Sunday out with lots of variety.  There is rain in the NE and across much of the west.  We’ve got fog in Aberdeen and many other spots, while Sioux Falls is seeing the sunshine!  A closed low pressure system will drift around our region for the next few days, leaving heavy rain and wind behind.  There is also another round of severe weather today.  This area is farther to the east, compared with yesterday.  The risk area map is below.

Showers will come and go today, mainly in northern and western SD.  We’ll be cooler than yesterday, with light winds in central South Dakota.  Strong north winds will arrive to Rapid City later today.  That trend of heavy winds will continue through at least tomorrow in the west.  Sunshine in Sioux Falls could add to the severe weather threat late this afternoon and into the evening.  The primary issues are once again large hail and damaging winds.  These storms have long looked to come out of NE Nebraska.  The storms will likely bend back NW after moving through Sioux Falls and Brookings.  They are steered by that closed-off low.  This system will rotate on itself with nothing able to force it out.  That’s the reason for heavy rain potential the next few days.

Showers and storms are likely to continue into the overnight hours in KELOLAND.  Tomorrow we will again be cooler.  Highs get closer to the averages and will even be cool, by Rapid City standards.  Expect high winds out of the north, at 25-35 mph. 

The rain chances go down slowly by midweek.  We should see some more sunshine by Thursday and Friday, but it won’t be too warm.  There is another round of rain possible next Saturday.


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