CHAPTER 1–DEFINITIONS CONSULTATION - Jeppesen

1 5 DEC08 METEOROLOGY1q$ iMETEOROLOGICALSERVI CE FORINTERNATIONAL AIRNAVIGATION-ANNEX3In this part of theMETEOROLOGY section,selected Chapters andparag raphshave been extracted fromICAO Annex3 Meteo rologic al Servicefor In ternationalAir paragraphnumbersreflectthosecontained termsareusedinthe StandardsandRecommendedPracticesfor Meteorological Ser-viceforInternationalAirNavigation,th ey have thefol-lowingmeanings:AERODROME CLIMATOLOGICALSUMMARY Concisesummaryofspecifiedmeteorological ele-mentsatanaerodrome, based on statistical CLIMATOLOGICAL TABLE Ta bleprovidingstatistical dataontheobserved occurrenceof oneormoremeteorological METEOROLOGICAL OFFICE Anoffice, locatedatanaerodrome,designatedto pro-vide meteorological servicefor FIXED TELE COMMUNICATIONNETWORK (AFTN) Aworld-wide system ofaeronauticalfixedcircuits provided, as partoftheaeronautical fixedservice,for theexchange of mes- Astationdesignatedto makeobservationsandmeteorologicalreports for useininternational Theevaluationofoneor more meteorological elementsmadefrom INFO RMATION Information issuedbyameteorologicalwatchofficeconcer ningtheoccur-renceorexpected occurrenceof specified enrouteweatherphenomenawhichmayaffect thesafetyoflow-level aircraftoperationsandwhichwasnotalreadyi ncluded intheforecastissuedforlow-levelflights intheflight Areportfromanaircraft inflightprepared in conformity with requirements forposition,andoperational :Details of theAIREP formare giveninPANS-ATM(Doc4444).

2 AUTOMATICDEPENDENT SURVEILLANCE(ADS) Asurveillancetechnique inwhichair-craftautomaticallyprovide,via adata link, dataderivedfromon-board navigationandposition-fixingsystems, includingaircraft identification,four-dimen-sional positionandadditionaldata as Oral OPERATIONAL SIGNIFICANCE Acloudwiththe height ofcloudbase below1500m(5000ft)orbelowthehighest minimum sectoraltitude,whicheverisgreater,oracum ulonimbuscloud or atoweringcumuluscloudat Discussionwithameteorolo-gist oranotherqualified personofexisting and/orexpectedmeteorological conditionsrelating to flightoperations;adiscussion includes RANGEOPERATION Anyflightbyanaeroplanewith twoturbinepower-unitswhere theflighttimeattheonepower-unitinoperati vecruisespeed(in ISAandstill airconditions),fromapointon theroute toanadequatealternateaerodrome, isgreaterthanthethresholdtimeapprovedby theStateof HT DOCUMENTATION Writtenorprinteddocuments,includingchart sorforms,containingmeteorological Astatement ofexpectedmeteorolog-ical conditionsforaspecifiedtimeor period,andforaspecified area orportion of AREAFORECAST Anareaforecast inabbreviated plain languageforlow-level flightsforaflightinformationregionorsub- areathereof,pre-paredbythe meteorologicaloffice designated bythemeteorologicalauthorityconcernedand exchangedwith meteorological officesinadjacent flight informa-tionregions,asagreedbetween POINTDATAINDIGIT AL FORM Computerprocessedmeteorologicaldata forasetofregularlyspacedpoints onachart.

3 Fortransmissionfromameteorological computerto anothercomputerin acodeform suitable forautomated :Inmostcases such dataare transmitted onmediumorhigh Principleswhich applytoaeronauticaldesign,certification, training,operations andmaintenance andwhichseeksafe interfacebetweenthehuman andothersystem componentsby AIRWAYSVOLCANOWATCH(IAVW) Internationalarrangementsfor monitoringandprovidingwarnings to aircraft ofvolcanic ash inthe :The IAVW is basedon theco-operation of avi-ationand non-aviationoperationalunits using infor-mationderivedfromobserving sources andnetworksthat ar eprovi ded by States. Thewatch is coordinatedby ICAO with theco-operationofother AUTHORITY Theauthorityproviding or arrangingforthe provisionofmeteorolog-ical serviceforinternationalair navigationonbehalfof BULLETIN Atextcompris-ingmeteorological informationpreceded byanappro-priate INFORMATION Meteo-rologicalreport, analysis,forecastandanyotherstatement relating toexisting $z Jeppesen ,1999, $ iMETEOROLOGICALSERVICE FORINTERNATIONALAIR NAVIGATION/SIGMETNOTATIONS -ANNEX 3 APPENDIX 1.

4 MODELSN NOTATIONS USED IN FLIGHTDOCUMENTATION1 SYMBOLS FORSIGNIFICANTWEATHER1145640356000Tr opicalcyclone1145640356000 Drizzle11 45640356000 Severe squallline111 45640356000 Rain11 45640356000 Moderate turbulence11 45640356000 Snow11 45640356000 Severe turbulence1145 64 0356000 Shower1145640356000 Hail11 45640356000 Mountain waves11 45640356000 Widespreadblowingsnow1145640356000 Moderate aircrafticing1145640356000 Severe sandor dust haze1145640356000 Severe aircrafticing1145640356000 Widespreadsandstormor duststorm11 45640356000 Widespreadfog12 07059668000 Widespreadhaze11 45640356000 Radioactivematerialsin theatmosphere212 07059692000 Widespreadmist1145640356000 Volcanic eruption31207059732000 Widespreadsmoke1145640356000 Mountain obscuration12 07059780000 Freezingprecipitation41In flight documentationfor flightsoperatingupto FL100,this symbolrefersto squallline.

5 2 Thefollowinginformationshouldbeincludeda t thesideofthechart: radioactivematerialssymbol;Latitude/long itudeof accident site;Dateandtimeof accident;checkNOTAM forfurther thechart:Volcaniceruptionsymbol;Nameandi nternationalnumberof volcano(ifknown);Latitude/longitude;Date andtimeof thefirst eruption(if known)4 This symboldoesnotrefertoicingdueto precipitationcomingintocontact with anaircraft whichis at $z Jeppesen ,1999, FORINTERNATIONALAIR NAVIGATION/SIGMETNOTATIONS -ANNEX3q$iNOTE:Heightindicationsbetweenw hichphenomenaareexpected, frontatthesurface1228309653000 Position, 45640356000 Freezinglevel1145640356000 Quasi-stationaryfront at thesurface11 45640356000 Intertropicalconvergencezone114564035600 0Tr opopausehigh11 45640356000 Stateofthesea1145 64 0356000Tr opopauselow1145640356000 Seasurfacetemperature11 45 640356000Tr opopauselevel1145640356000 Widespreadstrongsurfacewind112 28 118336000 Windarrowsindicatethemaximumwindin jetandtheflight levelatwhichit (120kt)ormore, theflightlevels betweenwhichwindsare greaterthan160km/h(80kt)isplacedbelowthe maximumwindlevel.

6 In theexample, windsare greaterthan160km/h (80kt) axis begins/endsatthepointswhere awindspeedof 160km/h (80kt)is symbolrefersto widespreadsurfacewindspeedsexceeding60km /h(30kt). CB:FEW=few(1/8thto2/8ths)SCT=scattered(3 /8thto 4/8ths)BKN=broken(5/8thsto7/8ths)OVC=ove rcast(8/8ths)CBonly:ISOL=individualCBs(i solated)OCNL=wellseparatedCBs(occasional )FRQ=CBswithlittleor noseparation(frequent)EMBD=CBsembeddedin layersofother cloudsor concealedbyhaze(embedded)q$z Jeppesen ,1999, 2008. $ iMETEOROLOGICALSERVICE FORINTERNATIONAL AIR NAVIGATION/WORLD AREA FORECAST -ANNEX 3 Appendix 2-TechnicalSpecificationsRelatedToWorld AreaForecastSystemAndMeteorologicalOffic esTableA2-1. Template foradvisory messagefor volcanic ashKey:M=inclusionmandatory, part of everymessage;O=inclusionoptional ;==adoublelineindicatesthatthetextfollow ingit should beplacedonthesubsequentlineNOTE1:Therang esandresolutionsforthenumeri-calelements includedinadvisorymessagesforvol-canicas hareshownin Appendix 6,Ta :Theexplanationsfortheabbreviationscanbe foundintheProceduresforAirNavigationSer- vices-ICAOA bbreviationsandCodes(PANS-ABC,Doc8400).

7 NOTE3:Inclusionofa"colon" :Thenumbers1to18areincludedonly forclarityandtheyarenot part of theadvisorymessage,asshownin A2-1 -Templatefor advisory messagefor volcanic ashElementDetailed ContentTemplate(s)Examples1 Identificationof thetypeofmessage(M)Ty peof messageVAADVISORYVAADVISORY2 Timeof origin (M)Year,month,day,timeinUTCDTG:nnnnnnnn/ nnnnZDTG:20000402/0700Z3 Nameof VAAC(M)Nameof VAACVAAC:nnnnnnnnnnnnVAAC:TOKYO4 Nameof volcano(M)NameandIAVCEI1numberofvolcanoV OLCANO:nnnnnnnnnnnnnnnnnnnnnn[nnnnnn]VOL CANO:USUZAN805 03or UNKNOWNorUNNAMEDVOLCANO:UNNAMED5 Locationofvolcano(M)Locationofvolcanoind egreesandminutesPSN:NnnnnorSnnnnorPSN:N4 230E14048 UNKNOWNorUNNAMEDPSN:UNKNOWN6 Stateorregion(M)State, or regionifashisnotreportedoveraStateAREA:n nnnnnnnnnnnnnnnnnnnAREA:JAPA N7 Summit elevationSummit elevationinm(orft)SUMMITELEV:nnnM(ornnnn nFT)SUMMITELEV:732M8 Advisorynumber(M)Advisory number: yearinfullandmessagenumber(separateseque nceforeachvolcano)ADVISORYNR:nnnn/nnnnAD VISORYNR:2000/4329 Informationsource(M)Informationsourceusi ngfreetextINFOSOURCE:Freetext upto 32charactersINFOSOURCE:GMS-JMAAIREP10 Colourcode(O)Aviationcolour codeAVIATIONCOLOURCODE:REDorORANGEorYELL OWorGREENorUNKNOWNorNOTGIVENorNILAVIATIO NCOLOURCODE:RED11 Eruptiondetails(M)Eruptiondetails(includ ingdate/timeof eruption(s))ERUPTIONDETAILS:Freetext upto 64charactersERUPTIONDETAILS:ERUPTED20000 402/0641 ZERUPTIONOBSVATOABVFL300or UNKNOWN12 Timeofobservationofash(M)Dayandtime(inUT C)ofobservationof volcanicashOBSVADTG:nn/nnnnZOBSVADTG.

8 02/0645Zq$z Jeppesen ,1999, FORINTERNATIONALAIR NAVIGATION/WORLD AREAFORECAST-ANNEX3q$iTableA2-1-Template for advisory messagefor volcanicash (continued)ElementDetailedContentTemplat e(s)Examples13 Observedorestimatedashcloud(M)Horizontal (in degreesandminutes)andverticalextent at thetimeofobservationoftheobservedor estimatedashcloudor,ifthebaseis unknown, thetopoftheobservedorestimatedashcloud;m ovement of theobservedor estimatedashcloudOBSVACLDor ESTVACLD:TOPFL nnnorSFC/FLnnnorFLnnn/nnn[nnKMWID LINE2 BTN[nnNMWIDLINEBTN)]Nnn[nn]orSnn[nn]Wnnn [nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn]]3-orTOPFL nnnorSFC/FLnnnorFLnnn/nnnMOVNnnKMH(orKT) orMOVNEnnKMH(orKT) orMOVEnnKMH(orKT) orMOVSEnnKMH(orKT) orMOVSnnKMH(orKT) orMOVSWnnKMH(orKT) orMOVWnnKMH(orKT) orMOVNWnnKMH(orKT)4 VANOTIDENTIFIABLEFROMSATELLITEDATAWINDSF Lnnn/nnnnnn/nn[nn]KMH(KT)4 OBSVACLD:FL150/350N4230E14048-N4300E1413 0-N4246E14230-N4232E14150-N4230E14048 SFC/FL150 MOVNE25 KTFL150/350 MOVE30 KTTOPFL240 MOVW40 KMHq$z Jeppesen ,1999, 2008.

9 FORINTERNATIONALAIR NAVIGATION/WORLD AREAFORECAST-ANNEX3q$iTableA2-1-Template for advisory messagefor volcanicash (continued)ElementDetailedContentTemplat e(s)Examples16 Forecast heightandpositionoftheashclouds(+18HR)(M )DayandTime(inUTC)(18hours fromthe Timeof observationof ash giveninItem12);Forecast height andposition(indegreesandminutes) foreachcloudmass forthatfixedvalidtimeFCSTVACLD+18HR:nn/n nnnZSFCorFLnnn/[FL]nnn[nnKMWID LINE2 BTN(nnNMWIDLINEBTN)]Nnn[nn]orSnn[nn]Wnnn [nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn] -Nnn[nn]orSnn[nn]Wnnn[nn] orEnnn[nn]3orNOVAEXPFCSTVACLD+18HR03/004 5 ZSFC/FL600 NOVAEXP17 Remarks(M)Remarks, asnecessaryRMK:Freetextupto256characters orNILRMK:ASHCLDCANNOLONGERBEDETECTEDONSA TELLITEIMAGE18 Next advisory (M)Year, month, dayandtimeinUTCNXTADVISORY:nnnnnnnn/nnnn ZorNOLATERTHAN nnnnnnnn/nnnnZorNOFURTHERADVISORIESorWIL LBEISSUEDBY nnnnnnnn/nnnnZNXTADVISORY:20000402/1300Z 1 InternationalAssociationofVolcanologyand ChemistryoftheEarth sInterior(IAVCEI).

10 2 Astraightlinebetweentwopointsdrawnonamap intheMercator projectionor astraightlinebetweentwopointswhichcrosse slinesof longitudeat aconstant ashreported( AIREP)but messagefor volcanic ashVA ADVISORYDTG:20000402/0700 ZVAAC:TOKYOq$z Jeppesen ,1999, 2008. FORINTERNATIONAL AIR NAVIGATION/WORLD AREA FORECAST -ANNEX 3q$ iExampleA2-1. Advisorymessagefor volcanic ash(continued)VA ADVISORYVOLCANO:USUZAN805-03 PSN:N4230E14048 AREA:JAPA NSUMMITELEV:732 MADVISORYNR:2000/432 INFOSOURCE:GMSJMAAVIATIONCOLOURCODE:REDE RUPTIONDETAILS:ERUPTED20000402/0614 ZERUPTIONOBSVATOABVFL300 OBSVADTG:02/0645 ZOBSVACLD:FL150/350N4230E14048-N4300E141 30-N4246E14230-N4232E14150-N4230E14048 SFC/FL150 MOVNE25 KTFL150/350 MOVE30 KTFCSTVACLD+6HR:02/1245 ZSFC/FL200N4230E14048-N4232E14150-N4238E 14300-N4246E14230FL200/350N4230E14048-N4 232E14150N4238E14300-N4246E14230FL350/60 0 NOVAEXPFCSTVACLD+12HR:02/1845 ZSFC/FL300N4230E14048-N4232E14150-N4238E 14300-N4246E14230FL300/600 NOVAEXPFCSTVACLD+18HR:03/0045 ZSFC/FL600 NOVAEXPRMK:VACLDCANNOLONGERBEDETECTEDONS AT ELLITEIMAGENXTADVISORY:20000402/1300 ZTable foradvisorymessagefor tropicalcyclonesKey.