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1984(1) (2) (3) (4) (5 ) (6) (7) (8) (9) (10) (11) (12)IMEXICO(contd.)MX 3 Op. 3000 Iguala - 1984 State Air: 1 A/C seeding 40 kg AgI total Convective, stratiform, May-Oct No/NoPE(R) Target (?) Gov. at cloud base & orographic clouds.PE(E)Synoptic scale disturbances,clouds bandsorganized on mesoscale.Predominant cloud basetemp. +20°C.~MA 1 Res. 16400 Programme Central 1984 Wea. Air: 5 A/C using 375 g/h/aircraft, Orographic clouds, Nov-Apr Yes/Op. Target, AI-Chait High Yes Ser. acetone burners & 20.6 kg AgI total synoptic scale disturb- Yes (H)PE(E) 7000 S No. 608 - Atlas (G) pyrotechnics seeding plus 4.5 kg AgI ances. Seeding crite-Control 0190 U.S. AID Mountains at cloud base, summit using pyrotechnics ria requires cloud3500 N & in-cloud at -5°C summit temp. equal toControlor less than -5°C.NORWAYNO 1 Ops. 5-10 - Oslo Airport, 1964 Trans. Air: 1 A/C seeding 100 to 150 kg dry Stratiform clouds with About No/NoFOg Target Fornebu; Yes (G) in-cloud at temp. ice (solid CO2) base temp. between 40 Days:Oslo Airport, less than -1°C each seeding, -3°C and -10°C. Jan-Mar,Gardermoen using solid approximately Criteria for operation Nov-Decdispensing units 5000 kg C02 total depends mainly on temp.SE.lliES 1 Op. 7 Hai 1 Provinces of 1973 Agr. G/B and Airborne: AgI Convective clouds. June-Sept Yes/Res. Target Suppression Zaragoza, (G/B (G) A/C in-cloud seeding Seeding criteria based NoHail Actions La Rioja, gen- and at about O°C using on radar reflectivitywith Alava, er- (P) acetone burner of 35 DBZ above O°CApplication Navarra ators) generators isotherm.of Ice- "1984Forming NucleiAlCI'0I.....'000~UNIONOF SOVIET SOCIALIST REPUBLICSSU 1 Op. 6700 Hail Uzbek SSR 1967 Agr. Air: in-cloud seeding AgI Convective clouds, 42 Days: Yes/Hai 1 Target Suppression Yes (G) , between -6 and -9°C predominant cloud base Apr-Aug Yes (H)Wea. using rockets and temp. between +10Serv. artillery shells and +15°C.. Operations(G) carrying explosive alert based on proband/orpyrotechnic ability of hail >0.4;flare gel1eratorsseeding criteria basedon radar reflectivityat 3.2 cm being lessthan that at 10 cmwave length.