There is strong evidence here that a barrier jet was enhanced by the north-south gap along highway 108 in the area of the Beaudoin farm. Barrier jets occur when strong westerly flow interacts with North-South mountain ranges to generate strong southerly winds to the west of this terrain. This would have been further enhanced by the storm outflow associated with the approaching hook echo and mesocyclone. This interaction could explain the exceptional winds generatd by the storm as it crossed Highway 108.
Wednesday, May 6, 2009
Barrier jet
There is strong evidence here that a barrier jet was enhanced by the north-south gap along highway 108 in the area of the Beaudoin farm. Barrier jets occur when strong westerly flow interacts with North-South mountain ranges to generate strong southerly winds to the west of this terrain. This would have been further enhanced by the storm outflow associated with the approaching hook echo and mesocyclone. This interaction could explain the exceptional winds generatd by the storm as it crossed Highway 108.
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