Monday, June 19, 2017

KRAH: Initial Meso Thoughts.



CWA: KRH

Initial concern:
  • SW-NE line of convection through the central CWA. 
  • Big concern is with the northward propagating outflow boundary and its imminent convergence with the northern most band. (below) 
  • Monitored initial ProbSevere numbers but feel this may be moot as the line is about to be modified by the outflow boundary.


Solely evaluating environment using satellite LAP data to get an idea of the the environment between the outflow and northern line. Only issue is the LAP data is almost 2 hours old and roughly evaluating the convective environment from it. 

The LAP 4 panel (below) reveals an environment with plenty of moisture and instability to promote further development and propagation for convective activity. 
  • Ideally would have liked to overlay radar on the LAP output to see development along gradients, but not possible due to the old LAP data.
  • This is a great SA tool to stay ahead of where you expect convective activity to continue or diminish.
  • My take away from this analysis is: Atmosphere is primed to support long lived convection along the SW-NW swath through the RAH CWA. 
  • Will now monitor radar trends, particularly interested to see if sharp trend start occurring in the ProbSevere. 
 --Forecaster: Tahoe


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