Storms fired west of Lewisville, Texas. Additional updrafts developed along the downstream outflow boundaries, eventually triggering the development of a severe HP supercell over northern Dallas County.
|Looking WNW from near I -35 and highway 121 in Lewisville.|
|Looking west at the same updraft area from highway 121 at The Colony.|
|Looking east from highway 121 and The Colony at a new updraft farther east down the line.|
|Looking WNW from Highway 75 and Spring Valley in southern Richardson, TX.|
|Looking NNE at new wall cloud after previous wall cloud was undercut by outflow.|
|Funnel over NE Garland viewed from Centerville and Miller.|
|Looking WNW from same location at suspicious formation. Was this a rain wrapped tornado, lowering, precipitation shaft or what? I watched for power line flashes at the base of the feature and saw none. After another 30 to 60 seconds, it became obvious that it was a precip shaft.|
|Looking east from I-30 over Lake Ray Hubbard. Trees are being swept by the wind on the back (west) side of the HP mesocyclone.|
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Last revised: November 28, 2008