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Storm of the Month
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Our DECEMBER WINNER occurred about 45 miles northwest of the radar on the 18th as
well-developed Mesocyclone caused bowing action along a line of thunderstorms
moving through the lower Delta about midday. A low instability and high shear environment
again produced a Mesocyclone with a shallow depth of only 8,000 feet and
a Shear Value of 11(e-3/s). These images point out how the Storm Relative winds
of 50+kts outbound(u.right) in the red help identify the potential severe weather.
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A 4-Panel View of Composite Reflectivity(u.left), 0.5Deg
Storm Relative Velocity(u.right), 0.5Deg Base Reflectivity(l.left) & 0.5Deg
Base Velocity(l.right)
Note: Velocity
(green-motion toward radar ; red-motion away from radar)
Note: Higher 50+dBz Reflectivity returns overhanging Low Level Inflow.
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