Transcription of CHAPTER 12 THE SYNOPTIC CODE DETAILED DESCRIPTION
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Amendmentnoi~ ,theobserverwillfindthatthepreparationof theSynopticmessageis simplifiediftheappropriateentriesforline sandcolumnsIto42aonForm63 9028,TablesforSynopticCode,willassistthe min 2322aregivenin is thefirstgroupof thesecondlineof themessageheader.(M1M1M~M~isencodedBBXX forsy-nopticreportsfromshipstations.) thesecondlineof themessageheaderofa Dayofthemonth(UTC).GG Houroftheobservation(UTC). ~ Windindicator, fori~, ptionofspecifyinga3or 4,dependingonwhetheror ~ Stationnumber, , Thissymbolis anindicatorto showwhetheror nottheprecipitationgroup6 RRRtRis includedinthemessageand,ifincluded,inwha tSectionof :iR0inSections1and3includedinbothSection sinSection1included2inSection3included3i n noneof thetwosectionsomitted(precipitationland3 amount=0)4innoneof thetwosectionsomitted(precipitationIand3 amountnotavailable) ,itisincludedinSectionI, andiRis astationwhichtrans-mitsintermediatesynop ticreports,anditoccursbetweenamainsynopt ichourandthesubsequentintermedi-atesynop tichour,the6 RRRtRgroupwillbeincludedintheintermediat
12—2 Amend. No. 10 Nov. 1, 1989 12.3 SECTION 1 12.3.1 Group iRixhVV 12.3.1.1 iR — This symbol isan indicatortoshow whetherornottheprecipitation group 6RRRtRisincluded in themessageand, ifincluded, in whatSection ofthemessage it appears. …
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