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June 29, 2001:   Backyard Supercell!

 

     At first slowly then like a bomb it arises, breathing, stretching, expanding in exploding cauliflowery white, lit brilliantly by the sun.

     I give chase to a point about 8 miles from my apartment and watch as it sits almost stationary to my east, with a huge curtain of dark precipitation; dazzling forks of lightning spewing out everywhere including in sunshine behind my back-- well outside of the storm; vivid rainbows spilling out its side, and increasing winds.   Trees bend widely in the outflow...

    With awe I watch as a wall cloud takes form just to my SE; first as hunks of scud, then as a solid ‘J’ pattern, sucking off the outflow from the storm’s rear area to build itself. Clouds hang real close to earth about a mile away from me, and above the wall, a dark pattern of concentric circles adds mystique. For sure if the mid-level winds had some good shear, something would have dropped.

     As the wall cloud draws closer, first big raindrops, then hail begins to fall. The hail looks eerie, lit by the sun.  Hail quickly gets bigger, with stones dime, nickel and even nearly golf-ball sized hitting and splatting the earth - and my car. 

     It peaks out in an orgy of heavy rain mixed with hailstones and then slowly tapers.

Off to the South I go to check out the wall cloud area. The wall cloud has dissipated and a break in the overcast reveals a stunning thunderstorm top filled with swirly curly cues of anvil mammatus.  All this in my neighborhood!  To get there, I drive through brilliantly sunlit cloudburst rains; a blinding and exhilarating liquid that creates rivers in the poorly drained streets.

     Soon sunset turns the cloud and its precipitation pinks and oranges, and even though the storm dissipates as quickly as it started, it spends time throwing lightning bolts off to my north, several miles outside the precipitation curtain. Deep crackles and Booms respond.

 
 
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