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<br />GLOSSARY OF TERMS
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<br />Flood,J:~i1.~.a'.d Ar"..s - Areas su,~"p~ible ~e +Iood C""'"",,,
<br />
<br />C~ann..1 - A natu.al o. ...titi~iill Wilt... ~Our5e et P"'~"ptibl,,
<br />ax~"nt ~It~ d"tinit~ biln"~ to ~ontin" ilnd ~onduet
<br />
<br />FloodP.....
<br />
<br />The hi9he~t ~t"9" o. d,seh"..,,,
<br />
<br />attained Curing iI
<br />
<br />~ont I nuouS I" O. ""r1 od i ca I 11' j I Ow i ng ",..ter.
<br />
<br />C~"n"e I + I 0'" IS
<br />
<br />I lood event; a I Se .eter r ec ~o ilS 0'''''< st...,</, or p..a"
<br />dise"'arge.
<br />
<br />thilt wat". .."'ieh Is tlc",ln') ..it..in the limits ot t..e defined
<br /><:hann..l.
<br />.E.!.."."']'! - Water frOm a river, st.eam, wat..r eeurse, la.e o. other
<br />body ot "tandi"9 ",atll" that t..mpo....ily OVllrtlo",s the
<br />boundaries ..ithin which It Is ordinarily "onti"l!d.
<br />.F'_.I.__o.o.d.._..C;.~.e.s.t - The ..ax i "u.. "t"911 er .. IlIvat i On ."..chlld by thll
<br />w"t".s ot iI tlood at .. ')iven lociltion.
<br />
<br />.f.J..ll.!v;L1:,!.....L~ - The ,..Iatlvely ....t Or lowlsnd "rea adjolnin.. a
<br />
<br />.Iv".
<br />
<br />str....'", watlOn:Our9.., I..ke, Or othlO" bOdy ot standin!!
<br />
<br />wat... ",hlch has b.."n o. ..ill' b.. cov..r..d t"..por...ily by flood
<br />
<br />",..t..r.
<br />
<br />For adminlstratlv.. I'url'oses t"'"' flood plain may be
<br />
<br />F_LQ.9,<;!...L.U!51,lJ.!'i'!J.H.
<br />
<br />A .."aI's ot express in!! the I'robability ot tleod
<br />
<br />detin..d a" th.. areil t"'i1t would be inund..ted by thll100-y"....
<br />tlood.
<br />!"."l.:;'..,!:;,~..!:,!i',~,!!L8a_nk - Thll I lIft b..nk ot the str"..m look i n9
<br />dow"strea...
<br />P",.~ch"9.. c:han.n..".1 F I ow - A "ond I t i On wher" t..e f I ow III evat i on I I'
<br />the out.., pcrtions 0:11 the tlood Pill I' is ..i9he. th.." the
<br />
<br />Oeeu" ,..n"..s a" d..tll~" i n"d t.o.. stat i st I cill anilll,.s i s ot
<br />.eprlls"ntatlve str"amtlo... er r~infal I and "U~ott reco~d".
<br />The t~eo;u..ncy ot a "e.t i cu i a~ "tag" Or d i s"har!!e is usulIl 11'
<br />"x"'",,slId as O"eur~ I 1''3 One", i" a 51''''' i tied numb", ct y"a"s.
<br />Th.. 10-, 50-, 100-, and 500-Ylla. tr..o;u"ne,. floeds hev. an
<br />
<br />tic," el ev"t I On in th" .... I I' ch~nn..l.
<br />
<br />This condition OCCurS
<br />
<br />av"ra!!" t~..qu..nc,. of OC<:ur.."nee
<br />nu~be' ot ,...ars indicat"d.
<br />.1..lJ_-=-'("__"'.~_..fJ.".,,..d. - A / I oed hav I n9 an ........r a..e + ~ eo;ue I' c y 0 + Occur ~ enc e
<br />
<br />I' the order ot onCI! '" the
<br />
<br />..hen ahi!!h..r secondar,. ehann,,1 receive" intlo," trom so.."
<br />loc..tion uP'!Itr..a," and ,...intains.. ti..tt".. 510"" than t....
<br />main ch..""..1
<br />I<....a~h - A h,.drau I i c ..ngl nee~ i ng ter.. us..d to di>scr i c..
<br />longitudin.o;l s........nt<:1 ot.. st....." Or .iv",.
<br />R..i9h~."..$~.rl!:,a,".8an~ - T hI! right ba I' kef t"''' s t r ell" wh.", I 0" king
<br />down"t'....m.
<br />
<br />et en".. in 10 ,.....rS.
<br />
<br />It has a 10 "ercent chance of bel"9
<br />
<br />.."ual..d 0' exc""d"d ,n any !!I""" yea..
<br />100:-_Year____[lcod - A tlood having an ........rage t'''""ue,,c,. ot
<br />
<br />I<unllfj - Th..t p;o.t olf pr..",I"itatlon, liS ",..I
<br />
<br />as any othe" 110"
<br />
<br />eCCu~'ene.. ot o"~e t I' 100 ,.eilr s.
<br />
<br />It has a 1 "..rc"nt chanc"
<br />
<br />"c...tributlons
<br />
<br />..hie'" 1I""ea,s In sur~lIc" str....mS ot e.th..,
<br />
<br />otl b"in9 e'1u.'!led cr exceeded In any '3lv.." y"ar.
<br />
<br />0'11""" I' , .. lOr i I' 'e r.. i ~ te I' t ~ or,.,.
<br />
<br />3>
<br />
<br />- 32-
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