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As of September 1997, seven case studies are available through the CODIAC data management system. These cases are:
Each case study contains the following meteorological data:
If other types of data are available for a case, the data will be included in the case study. For instance, case study 005 contains mesoscale model (MM5) output contributed by SUNY, Brockport.
For these four case studies, each dataset can be searched, browsed, and ordered through the CODIAC system. All seven case studies can be ordered in their entirety for delivery on 8mm tape through CODIAC. All case studies released in the future will be available with full access to all datasets in that case. Currently, there are three cases that are available on 8mm tape only. These case studies will have their datasets individually loaded into CODIAC as time allows.
The case study data on CODIAC are freely available and can be used in a variety of ways depending on the intent of the user. The flexibility of the CODIAC system allows the user to select only the data of interest to them. For instance, if the user is teaching lake effect snow phenomena, ordering the 8mm tape containing case study 005 would allow a detailed examination of one lake effect snow event. On the other hand, if the user is teaching a satellite meteorology course, a few hours of satellite data could be downloaded from several different case studies. This way blizzards, bow echoes, tornadoes, and other types of events could all be shown.
Summaries of each case study are being developed and incorporated into the documentation to give users a clear idea of what data is available for each case study. Along with the summaries, COMET is in the early phases of developing sample exercises for the case studies. Exercises have also been contributed by users. For instance, an exercise for case number seven was contributed by a Forecaster at the Boise, ID NWS Forecast Office. Several sample exercises were made for interactive use over the WWW. These exercises were developed from WWW templates created by COMET staff to provide a starting point for people wanting to create their own web-based exercises (see example in Figure 2) and are available on the web at
Suggestions for meteorological events to use in a case study are accepted from the case study users community. (Suggestions should be e-mailed to support@unidata.ucar.edu.) The criteria used to decide on meteorological events for case studies include the availability of the data and the ease with which it can be gathered, the meteorological significance of the case, and whether or not the event contributes to a meteorologically and geographically diverse case study library. The final decision on which events become COMET case studies is made by COMET staff.
Contributions of relevant data, write-ups, or exercises is strongly encouraged. These contributions will enhance the case study library and thus benefit the entire user community. If you have data to contribute, send us e-mail at support@unidata.ucar.edu.
Future case studies are being put together now. The next case study to be released will be on the California floods on 1-3 January 1997. In the next few years, the case study library will grow to include up to 30 case studies. Each of these case studies will have accompanying summaries and sample exercises.
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