ltstrts s mddl-lttd cld gns md p f wtr drplts, c crystls, r mxtr f th tw. ltstrts clds r frmd whn lrg msss f wrm, mst r rs, csng wtr vpr t cndns. ltstrts clds r slly gry r blsh ftrlss shts, lthgh sm vrnts hv wvy r bndd bss. Th sn cn b sn thrgh thnnr ltstrts clds, bt thckr lyrs cn b qt pq.
ltstrts clds slly prdct th rrvl f wrm frnts. nc ltstrts clds ssctd wth wrm frnt rrv, cntns rn r snw wll slly fllw n th nxt 12 t 24 hrs. lthgh ltstrts clds prdct th rrvl f wrmr, wttr wthr, thy thmslvs d nt prdc sgnfcnt prcpttn. Thndrstrms cn b mbddd n ltstrts clds, hwvr, brngng shwrs.
Bcs ltstrts clds cn cntn c crystls, thy cn prdc sm ptcl phnmn lk rdscnc nd crns.