2003 June 24
Copyright 2003 Eric Nguyen
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Area Chased:  SE SD

Significant Observations:

   Go here for a log of the chase:  June 24, 2003 LOG

Discussion: Scott Blair and I observed 11-13 individual tornadoes as well as amazing structure from one cyclic mega-supercell.   I'm writing this in January 04 so I don't have time to go into details, check out the log above.


030624-1b.jpg (14213 bytes)      Around 0000 UTC to our north a large rotating wallcloud.   Saw a cone to the north of that wrapped in rain, however we could not confirm anything other then that.

030624-3b.jpg (9641 bytes)      030624-4b.jpg (8825 bytes)      0018 UTC multiple vortex tornado rapidly developing 8 SSW of Centerville, SD.

030624-5b.jpg (9400 bytes)      Scott and I blasted east and north on the road seen in the image.

030624-6b.jpg (8418 bytes)      030624-7b.jpg (8298 bytes)      Multiple vortex structure, many funnels aloft embedded in violent rotation, 2 NW Centerville, SD.  Anticyclonic funnel observed aloft.

030624-8b.jpg (10291 bytes)      030624-9b.jpg (11460 bytes)      030624-10b.jpg (10743 bytes)      030624-11b.jpg (12555 bytes)      Tornado near Centerville, SD, multiple vortex.  New funnel seen east as this tornado moves westward.

030624-12b.jpg (12227 bytes)      030624-13b.jpg (10905 bytes)      030624-14b.jpg (10162 bytes)      New meso east of the Centerville tornado as it continues west and wraps in rain.  This tornado is 2-3 E of Centerville, SD and is stationary.   This is the 3rd tornado of the day for us.

030624-15b.jpg (9549 bytes)      030624-16b.jpg (14532 bytes)      Tornado #4 develops 1 E of Centerville, this formed west of tornado #3, both are on the ground now.  We hit a damage path from one of the satellite vorticies, note the power lines over the road.  No good still of tornado #5 yet.

030624-17b.jpg (12679 bytes)     Tornado #6 develops just to our NW, an image showing some of the structure that we can't see due to being under the meso.  This developed 4 NE of Centerville, SD.

030624-19b.jpg (9709 bytes)      030624-20b.jpg (9865 bytes)      030624-21b.jpg (8938 bytes)      030624-22b.jpg (9823 bytes)      We observed many multiple vorticies under this wallcloud to our NW as it moved westward, this was all tornado #7 until the wallcloud occluded..

030624-23b.jpg (9731 bytes)      030624-24b.jpg (9535 bytes)      030624-25b.jpg (11636 bytes)      030624-26b.jpg (10780 bytes)      Tornado #8 on the left, multiple vortex tornado that gets big as tornado #9 tries to get ingested, however, it begins to move east as the larger tornado moves west towards Davis SD.

030624-27b.jpg (8538 bytes)      030624-28b.jpg (9533 bytes)      We got gas and went back to the storm as it quickly got dark.   This new tornado wrapped in rain is doing damage near Lennox as the storm propagated back to the SW, back towards Lennox, SD.  On radar it looked like a new meso formed west of the older one.

030624-29b.jpg (9822 bytes)      030624-30b.jpg (8885 bytes)      Amazing structure as the tornado potential continues and the chase gets more dangerous.

030624-31b.jpg (8404 bytes)      030624-32b.jpg (11176 bytes)      030624-33b.jpg (9871 bytes)      Wallcloud somewhere in South Dakota, lol.  The other nighttime tornadoes didn't come out on stills very well so perhaps I'll add some video captures in the future.  We got off the storm for safety reasons, reports of a large tornado just to our SW on another storm forced us to head to Sioux Falls, SD and find a decent place to not get hit by anything significant.  We captured some of the structure of our storm moving off to the north.

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