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<br />. <br />t <br />t <br />t <br />~ <br />t <br />t <br />. <br />t <br />. <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br />t <br /> <br />Model readiness will be confirmed by conducting a series of test runs and examination of the <br />resulting model output. <br /> <br />Selection of Preferred Sounding Sites <br />Project soundings should be released from upwind of the target area. It is important that wind <br />data reflecting the flow over the mountain crest lines be acquired, so the best release site(s) may <br />be from the foothills of the costal range. A site near Corona del Mar has already been identified <br />as one possibility. <br /> <br />Once terrain data are assimilated into the model, various flows will be modeled to optimize the <br />sounding location. It may be possible to release the rawinsondes from various locations if <br />sufficient lead time can be provided. <br /> <br />Preparation of SF 6 Detector, Technician Refresher Training <br />The Washington State University SF6 detector will require some pre-project preparation and <br />calibration. In addition, the NA WC technician will have to be re-familiarized with the unit. The <br />SF6 tracer gas will have to be procured in quantities sufficient for the program, along with <br />various other high-purity gases required for instrument calibration. <br /> <br />The SF6 detector itself will have to be installed in the project aircraft, and interfaced with the <br />data system. A special outside air inlet will also have to be installed, as the proposed aircraft is <br />pressurized. <br /> <br />Preparation of Research Aircraft <br />All project instrumentation will have to be installed on the aircraft, including the data acquisition <br />system, meteorological sensors, and PMS probes. This process will require from two to four <br />weeks. The specifications of all the various instrumentation are provided in Sec. 2.3.2, below. <br /> <br />Writing of Field Operations Plan <br />A detailed field operations plan must be written, reviewed, and finalized prior to the beginning of <br />the field program. Since seeding methodologies in the context of the operational Santa Barbara <br />County program are already established, the research operations plan need focus only on the <br />research-related issues. Other operational issues (such as program suspension) are already <br />addressed in existing documents. <br /> <br />Program public information aspects will be handled by the Santa Barbara County Water Agency. <br /> <br />FAA Waiver for Lower Flight Near High Terrain <br />A waiver will be sought from the FAA which, if granted, would allow the research aircraft to fly <br />within 1,000 above the highest nearby terrain, rather than the customary 2,000 feet. This <br />additional clearance will be needed to better sample the lower portions of the plumes as they pass <br /> <br />Weather Damage Modification Program 33 <br /> <br />;/ <br />~{"L <br /> <br />~r\S <br /> <br />i'\lt~ <br />O~\ <br /> <br />SR R:~ <br />~~ <br />