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Posted: Sat 6:00 AM, Nov 17, 2012

Severe Weather Threat Nov 20-24

Discussion...

Series Of Shortwave Perturbations In Previously Quasi-Zonal Flow
Should Phase To Contribute To Progressive/Ern-Conus Synoptic Trough Day-4/20th-21st.

Low-Level Thetae Available To This Feature Should Be Too Low To Support Organized Svr.

System Should Move Offshore Day-5/21st-22nd...Leading To Deep-Layer Cyclogenesis Over Atlc Waters And Reinforcement Of Continental High Across Conus E Of Rockies.

For Remainder Period...Subsequent/Upstream Perturbations Should Remain Too Displaced From Substantial Low-Level Moisture For Svr Threat.

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