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Fall Weather Pattern Arrives

Rain and much cooler temperatures behind a cold front will bring a feeling of fall to the east coast today. In addition, an active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rains, and very high elevations could receive heavy snow. Wetting rains to the valley floors will spread south Thu and Fri into northern California,where active fires continue. Read More >

Spencer, South Dakota Tornado
RADAR and Site Survey Images

May 30, 1998

Loop of KFSD 0.5 Base Reflectivity as supercell develops and approaches Spencer, SD.
KFSD 0.5 Loop of Base Reflectivity from 2333 UTC (6:33 PM) to 0158 UTC (8:58 PM)
Note:  The Green "Home" location on the above image denotes Spencer, SD.


spencertor.jpg (10519 bytes)
Photo Copyrighted 1998 by Roger Edwards, used by permission.

 

. Click on images for a larger picture with more detail:

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Photographs above courtesy of Steve Marks Assistant Coordinator Greensboro-Guilford County Emergency Management (Click Image to Enlarge)


Photographs above courtesy of Chris Lenz, a storm chaser from Valley, Nebraska. He was located 4.5 miles east of Spencer looking west (Click Image to Enlarge)

KFSD 0.5 base reflectivity/storm relative velocity 0100 UTC (800 pm).
(Click Image to Enlarge)
KFSD 0.5 base reflectivity/storm relative velocity with TVS signature 0133 UTC (833 pm).  (Click Image to Enlarge)

 

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