The east coast and west coast sea breezes appear to have collided in southern Florida but further north around Lake Okeechobee. The east coast sea breeze penetrated further inland but did not produce much deep convection, except near Lake Okeechobee, due to convergence with the lake breeze near the Lake's eastern shore. As such the inland propagation of the sea breeze front may control when and where thunderstorms occur in a coastal region. Therefore inland thunderstorms are often triggered by converging or collapsing outflow boundaries. An example of a narrow peninsula is the northern tip of New Zealand, from Auckland northward 3.
However once deep convection breaks out, the PBL flow patterns become much more complex, and the simulation of cloud microphysical and turbulent transports is most challenging.
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In Florida, where the atmosphere is conditionally unstable almost every day in summer, it is true that initial and surface conditions are fairly well known. However once deep convection breaks out, the PBL flow patterns become much more complex, and the simulation of cloud microphysical and turbulent transports is most challenging. Initiation of deep convection along boundary layer convergence lines in a semitropical environment. Thunderstorms act as a negative feedback to the sea breeze circulation, because they cool the inland PBL. When the atmosphere is conditionally unstable, the forced ascent of PBL air over a sea breeze front may trigger deep convection. Further inland the sea breeze front is often deformed or destroyed by cool outflow from thunderstorms.