Monday, May 17, 2010

May 17, 2010

Today is a marginal day in many ways, but the play is actually pretty obvious.

This morning there was a cluster of storms in the central and northern Texas panhandle and it pooped out an outflow boundary. This boundary is moving southward through Texas and is just about at Midland. South of the boundary there's pretty good moisture and instability (2500+ J/kg SBCAPE), but shear is less than stellar (25 to 30 knots). So hoping for a mesoscale accident is pretty much what chasers can hang onto this afternoon.

But the reason I'm writing this is because I wanted to point out the outflow boundary, which is extremely obvious.

First, the RADAR with surface observations overlaid:



And now the visible satellite image:



Easy boundary to find. Now, can storms go on it? Time will tell.

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