on thE hEEls oFE1 [*], its oppositE, lA [*] mAy soon ArrivE. in A wEEkly upDAtE, sCiEntists At thE noA
A、ClimAtE prEDiCtionCEntEr rEportED thAt As thE 2006-2007E1 [*] FADED, surFACE AnD suBsurFACE oCEAn tEmpErAturEs hAvE rApiDly DECrEAsE
D、rECEntly, CoolEr-thAn-normAl wAtEr tEmpErAturEs hAvE DEvElopED At thE surFACE in thE EAst-CEntrAl EquAtoriAl pACiFiC, inDiCAting A possiBlE trAnsition to lA [*] ConDitions.
typiCAlly, During thE u.s. spring AnD summEr months, lA [*] ConDitions Do not signiFiCAntly impACt ovErAll inlAnD tEmpErAturE AnD prECipitAtion (雨水的降落) pAttErns, howEvEr, lA [*] EpisoDEs oFtEn Do hAvE An EFFECt onAtlAntiC AnD pACiFiC hurriCAnE ACtivity.
"Although othEr sCiEntiFiC FACtors AFFECt thE hurriCAnEs, thErE tEnDs to BE A grEAtEr-thAn-nor-mAl numBEr oFAtlAntiC hurriCAnEs AnD FEwEr-thAn-normAl numBEr oF EAstErn pACiFiC hurriCAnEs During lA [*] EvEnts," sAiD rEtirED nAvy viCEADm.ConrADC、lAutEnBAChEr, ph.
D、, unDEr sECrEtAry oF CommErCE For oCEAns AnD AtmosphErE AnD noA
A、ADministrAtor. "During thE wintEr, usuAl lA [*] impACts inCluDE DriEr AnD wArmEr-thAn-AvErAgE ConDitions ovEr thE southErn unitED stAtEs."
"noAA’s ABility to DEtECt AnD monitor thE FormAtion, DurAtion AnD strEngth oFE1 [*] AnD lA [*] EvEnts is EnhAnCED By Continuous improvEmEnts in sAtEllitE AnD Buoy oBsErvAtions in thE EquAtoriAl pACiFiC," lAutEnBAChEr ADDE
D、"thEsE oBsErving systEms inCluDE thE tAo/triton moorED AnDArgo DriFt Buoys, As wEll As noAA’s polAr orBiting sAtEllitEs."
lA [*] ConDitions oCCur whEn oCEAn surFACE tEmpErAturEs in thE CEntrAl AnD EAst-CEntrAl EquAtoriAl pACiFiC BEComE CoolEr thAn normAl. thEsE ChAngEs AFFECt tropiCAl rAinFAll pAttErns AnD AtmosphEriC winDs ovEr thE pACiFiC oCEAn, whiCh inFluEnCE thE pAttErns oF rAinFAll AnD tEmpErAturEs in mAny ArEAs worlDwiDE.
"lA [*] EvEnts somEtimEs Follow on thE hEEls oFE1 [*] ConDitions," sAiD vErnon kousky, rEsEArCh mEtEorologist At thE noA
A、ClimAtE prEDiCtionCEntEr. "it is A nAturAlly oCCurring phEnomEnon thAt CAn lAst up to thrEE yEArs. lA [*] EpisoDEs tEnD to DEvElop During mArCh-junE, rEACh pEAk intEnsity DuringDECEmBEr-FEBruAry, AnD thEn wEAkEn During thE Following mArCh-mAy."
"thE lAst lEngthy lA [*] EvEnt wAs 1998-2001, whiCh ContriButED to sErious Drought ConDitions in mAny sECtions oF thE wEstErn unitED stAtEs," sAiDDouglAs lEComtE, Drought spECiAlist At thE noA
A、ClimAtE prEDiCtionCEntEr.
noA
A、will issuE thE u.s. spring outlook on mArCh 15, AnD itsAtlAntiC hurriCAnE sEAson outlook in mAy.Both outlooks will rEFlECt thE most CurrEnt lA [*] ForECAst.
"whilE thE stAtus oFE1 [*]/lA [*] is oF vitAl importAnCE to our sEAsonAl ForECAsts, it is But onE mEAsurE wE usE whEn mAking ACtuAl tEmpErAturE AnD prECipitAtion ForECAsts," sAiD kousky.
it CAn BE inFErrED From thE pAssAgE thAt thE EquAtoriAl pACiFiC is usuAlly______.
A、thE ArEA most sEriously hit By lA [*]
B．thE First ArEA inFluEnCED By lA [*]
C．thE only ArEA monitorED By sAtEllitEs
D、thE BiggEst ArEA with A ComplEx ClimAtE