Laserfiche WebLink
<br /> <br />: -:: <br /> <br /> <br />(c) <br /> <br />Cpper <br /> <br /> <br />(b) <br /> <br />k:t DRY ~ <br /> <br />",~ ~S!lC!lOW Conveyer <br />o e .. Eelt <br /> <br />Sl:rfoce Cold Front <br /> <br />~ORY <br />A <br />Warm Frontcl Surface <br /> <br />km <br />, <br />, <br /> <br />:~ <br /> <br /> <br />0<- <br /> <br />Upper Cold <br /> <br />~ront <br /> <br /> <br />(c) <br /> <br />Fig. 14. Schematic portrayal of a katafrcnt i~ plan view a) anc <br />vertical section (b and c). The broad stippled a~row in (a) anc <br />(b) re?resents the conveyor belt (high 6w) flow which, relative <br />to the moving systen, travels ahead of the surface cold front <br />before rising and turni~g to the right above a war~ frontal zone. <br />The arrows entering fre~ the Ie:t of the diagrams re~resent cry <br />air (lo~ e ) which over-runs the conVeyer belt afte~ having <br />. d.l fW . , d ' d - h ~ , . o- <br />aescer.,e~ rem tne CO~ s~,e c: t e cpper tro?OS~nerlc jet <br />stream. At the leading edge c: t~e cver-run~i,"g c~y airfle~. air <br />ascends cenvectively from the to? of the conveyer belt te ge~- <br />erate a major rainbanc alo~g the upper col~ fro~t (cuspec ~~~e <br />UU) which rr.ay extend fro~ wi:hi~ the convent onal ~arm sector to <br />a position ahead 0: t~e sur:ace war~ front troD 5row~ing a~c <br />!'~c~k. 1982). <br /> <br />-<:\.... <br />~- <br />