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<br />12 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />The OW 2003.2004 Program conducted cloud-seeding activities on 29 <br />winter orographic cloud systems over portions of 75 calendar days for a total of <br />14,768 seeding hours. These operational cloud.seeding events are listed in <br />Table 2.1. The average seeding rate was 8,45 grams of silver iodide (Agl) per <br />seeding hour, which was a 43% increase in the average seeding rate from the <br />OW 2002,2003 Program. The reason that a 50% average seeding rate was not <br />achieved was because WWG's cloud-seeding activities for the OW Program's <br />2003-2004 winter season were skewed towards more frequent and longer <br />operations during the colder portion of the winter season when lighter seeding <br />rates are normally used. Figure 2.2 is an example of a WWC generator site used <br />for both the OW Program and the Vail/BC Program. The generator is in an <br />exposed location that should allow the low-level wind now to transport the Agl <br />seeding nuclei toward downwind higher topography with orographic clouds. <br /> <br /> <br />Figure 2.2. WWC seeding generator site V1, elevation 7,088 It, looking SE. <br />