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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
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Howdy,NWSI 10-1701 describes the format of the WMO Abbreviated Heading and uses the code form of
ttaaii_cccc_ddhhmm_bbb
to describe it. The `_bbb` field is only used as appropriate and Table 4
on page 14 describes its usage:
http://www.nws.noaa.gov/directives/sym/pd01017001curr.pdfThe general form is AAx (amended/updated) or CCx (corrected) or RRx (delayed or same ddhhmm usage). Anyway, that leads me to the usage of `RTD` for the bbb field like so:
SACU31 MUHA 090915 RTD METAR MUCL 090905Z AUTO 09009KT 29/23 Q1014= Googling around I stumble into this document: http://stevespages.com/NewManuals/Navy%20Rate%20Training%20Manuals/14272.pdf and page 1-12 describes two additional bbb fields of RTD (routine delayed) and COR (correction)So of course, MUHA is Cuba and not subject to NWSI 10-1701. So I wonder where the 'standard' is for this bbb field. Ah WMO has this:
http://www.wmo.int/pages/prog/www/ois/Operational_Information/Publications/WMO_386/AHLsymbols/bbb_en.htmlBut does not appear to support the usage of 'COR' or 'RTD' ? Any kind souls wish to end my wild goose chase and explain this fun to me? :)
daryl -- /** * daryl herzmann * Systems Analyst III -- Iowa Environmental Mesonet * https://mesonet.agron.iastate.edu */
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