Like it with the ATCF references, thank you. I think the parenthetical about “A string type variable should not normally have a “units” attribute.” is unnecessary, can we delete it?
John > On Jul 3, 2015, at 2:44 PM, Carlomusto, Michael <mcarl...@harris.com> wrote: > > Thread: "new standard name: > automated_tropical_cyclone_forecasting_system_storm_identifier" > (http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2014/057390.html > <http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2014/057390.html>) > > > Current status: Under discussion. > automated_tropical_cyclone_forecasting_system_storm_identifier (canonical > units: 1) ' Definition: > Contains an 8 character string, BBCCYYYY which identifies a tropical cyclone. > A string type variable should not normally have a "units" attribute. > BB is the ocean basin, specifically: > AL - North Atlantic basin; north of the Equator SL - South Atlantic basin; > south of the Equator EP - North East Pacific basin; eastward of 140 degrees > west longitude CP - North Central Pacific basin; between the dateline and 140 > degrees west longitude WP -North West Pacific basin; westward of the dateline > IO - North Indian Ocean basin; north of the Equator between 40 and 100 > degrees east longitude SH - South Pacific Ocean basin and South Indian Ocean > basin CC is the cyclone number. > Numbers 01 through 49 are reserved for tropical and subtropical cyclones. A > cyclone number is assigned to each tropical or subtropical cyclone in each > basin as it develops. Numbers are assigned in chronological order. Numbers > 50 through 79 are reserved for internal use by operational forecast centers. > Numbers 80 through 89 are reserved for training, exercises and testing. > Numbers 90 through 99 are reserved for tropical disturbances having the > potential to become tropical or subtropical cyclones. The 90's are assigned > sequentially and reused throughout the calendar year. > YYYY is the four-digit year > Calendar year for the northern hemisphere. For the southern hemisphere, the > year begins July 1, with calendar year plus one.' > > Alison Pamment wrote on 2 July 2015: > > No comments were received on this name following the original proposal. We > have existing standard names for string valued variables such as region, > area_type, platform_name and sensor_band_identifier. The values of the first > two are standardised while the second two are not. The proposed name would be > another example of a standardised string valued variable and the possible > values are described in the definition, so that is fine. A string type > variable should not normally have a "units" attribute so the canonical units > should be left blank. (I've added a sentence to the definition regarding > units). As for the name itself, is there only one "automated tropical > cyclone forecasting system" in existence? I.e. is the naming convention > referred to in this name universally recognised or are there any "competitor" > names that could be assigned to the same cyclone by a different forecasting > system? > > Reply by Michael Carlomusto on 3 July 2015: > > To answer Alison’s questions – > 1) There is only one Automated Tropical Cyclone Forecasting System (ATCF) > which was first defined in an American Meteorological Society journal - > Miller, R.J., Schrader, A.J., Sampson, C.R., & Tsui, T.L. (1990). The > Automated Tropical Cyclone Forecasting System (ATCF), Computer Techniques, 5, > 653–660. > 2) There are many tropical cyclone naming conventions, both current and > deprecated, but only one “ATCF” storm identifier. > > > I would like to submit the following revised proposal (Alison – please > edit/delete the canonical units according to the convention. I literally just > left it blank. Thanks): > > automated_tropical_cyclone_forecasting_system_storm_identifier (canonical > units: ) ' Definition: > The Automated Tropical Cyclone Forecasting System (ATCF) storm identifier is > an 8 character string which identifies a tropical cyclone. A string type > variable should not normally have a "units" attribute. The storm identifier > has the form BBCCYYYY, where > BB is the ocean basin, specifically: AL - North Atlantic basin, north of the > Equator; SL - South Atlantic basin, south of the Equator; EP - North East > Pacific basin, eastward of 140 degrees west longitude; CP - North Central > Pacific basin, between the dateline and 140 degrees west longitude; WP -North > West Pacific basin, westward of the dateline; IO - North Indian Ocean basin, > north of the Equator between 40 and 100 degrees east longitude; SH - South > Pacific Ocean basin and South Indian Ocean basin. > CC is the cyclone number. Numbers 01 through 49 are reserved for tropical and > subtropical cyclones. A cyclone number is assigned to each tropical or > subtropical cyclone in each basin as it develops. Numbers are assigned in > chronological order. Numbers 50 through 79 are reserved for internal use by > operational forecast centers. Numbers 80 through 89 are reserved for > training, exercises and testing. Numbers 90 through 99 are reserved for > tropical disturbances having the potential to become tropical or subtropical > cyclones. The 90's are assigned sequentially and reused throughout the > calendar year. > YYYY is the four-digit year. This is calendar year for the northern > hemisphere. For the southern hemisphere, the year begins July 1, with > calendar year plus one. See Miller, R.J., Schrader, A.J., Sampson, C.R., & > Tsui, T.L. (1990), The Automated Tropical Cyclone Forecasting System (ATCF), > American Meteorological Society Computer Techniques, 5, 653–660. ' > > "This information is only intended for the use of the individual or entity > named in this email. If you are not the intended recipient, you are hereby > notified that any disclosure, copying, distribution, or use of the contents > of this information is strictly prohibited. If you have received this email > in error, please notify me and delete it immediately." > Michael Carlomusto > mcarl...@harris.com <mailto:mcarl...@harris.com> > GOES-R Ground System > Harris Corp. Government Communications Systems Division (GCSD) > Melbourne, FL, USA > (321) 309-7905 > > _______________________________________________ > CF-metadata mailing list > CF-metadata@cgd.ucar.edu <mailto:CF-metadata@cgd.ucar.edu> > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > <http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata>
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