A review cf analysis and forecast of frontal system

Great advances have been made in frontal research since 1970s. Mesoscale structure-of frontal rainbands was revealed by Doppler radar. Frontogenetical theory was deve. loped and evolution of meso-BBB system on front was successfully simulated by numerical model.Nevertheless, future observational, diagnostic and theoretical investigation is still ceded. Relation between front and upper level jet streaks as well as interaction between cross,-front circulation and mesoscale convective system on the front should be-clarified. Meanwhile, various mesoscale dynamical instabilities including conditional. symmetrical instability should be inquired further.Finally, some suggestions about research of the fronts in China are made.

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