| OCR Text |
Show -4C -l5C 400 r Q:i If cloud tops reach mto this region, do not seed. 500 • ... t'V CD ......... For optimun effecl, o,rcrofl should be of temp~ -l5C llJ et: C,,J Proctical upper limit of temperature curve for occurence of wmter precipitation -..J ::::> ::::> (/) (/) lt ...... !::>i 600 1 700 I If tnversion exists below this line use Airborne seeding I k Approx forget altitude ..... u' ....-..J ~c::;.. "9~ ::A _ <'(<' --<' ~o .>. Q:: .-.c.,.>. ) -~ "I,, <"9~ "9~ Approx Mf Harris altlfude eoo .....___...___....,____._____......___________..._____________ ____ -40 -30 -20 TEMPERATURE, Figure 22 o -10 0 0 c Theoretical Operational Envelope Based on Critical Temperature Seedability Criteria. 10 |
