WMOD00135

• Contract/Permit #: #97-1
• Applicant: Western Weather Consultants
• Project Name: Telluride
• Date: 11/1/1997
• Weather Modification - Doc Type: Report

Ooerational Summary for 1997-98 Seedine Season
Seeding Total Total
Event Operational # of Gen. Rate Operating Calendar Seeding Total Grams
No. Dates Operated (Gm!Hr) Period Days ~ AGI Output
1 Nov. 12, 1997 1 10 0930-1800 1 8:30 85.00
2 Nov, 14, 1997 1 5 1230-18:30 1 6:00 30.00
3 Nov. 16, 1997 1 5 1500-1700 1 2:00 10.00
4 Nov. 17-18, 1997 I 7.5 2200-0730 2 9:30 71.25
5 Nov, 19-21, 1997 4 5-10 1700-1000 3 85:30 657.50
6 Nov. 21-22,1997 2 5-7.5 1700-0730 2 19:30 133.75
TOTALS 10 131:00 987.50

Below is a table (1) with the estimated seeding effect per operational event based on
wind direction and precipitation received at Telluride Ski Area.

Est. Additional
% OfEs!. Precipitation Water In
Eveht Wind Seeding During Seeded
tlQ.. Direction ResDonse Stonn (inches) Area (inches)
1 240" 8% .15 .01
2 295. 30"10 .30 .09
3 280. 15% .15 .02
4 280. - 310. 15% 0 0
5 275. - 295. 25% .40 .10
6 285. - 340. 10% .07 .01
Table I. Estimated Event Seeding Effects