Seeding Aircraft Logs

Seeding Logs

1984 Rain experiment seeding summary

Date Expt Times Alt. Head Cloud Base No. Pres Temp yymmdd (UTC) (Kft) (&#176 mag) (mb) (&#176 C)

840613 1 230512-230609 15.0 290 640 -4.0 2 233013-233050 14.7 070 3 235749-235819 14.7 090 840619 1 230030-230221 13.5 330 830 3.0 840620 1 004353-004430 13.7 310 788 3.0 2 011720-011729 13.7 020 840622 1 194940-195034 14.5 040 765 3.0 840629 1 232340-232420 17.5 040 7.0 840702 700 -2.9 840704 1 222852-222912 16.5 315 753 4.8 2 002251-002347 16.0 345 840709 1 210200-210244 14.0 315 -0.5 2 214803-214830 14.0 340 3 222842-222930 14.0 135 840713 1 214445-214505 14.8 323 770 4.0 2 222953-222959 15.1 350 840717 1 020107-020142 16.5 120 688 2.0 840727 1 000645-000732 17.8 330 600 -1.0 840730 1 235447-235511 18.0 125 770 10.3 840731 2 001110-001132 18.0 125 840803 1 231609-231638 18.5 315 812 13.6 840805 1 002811-002824 18.0 245 698 5.4 2 011557-011634 18.0 035 708 6.3 840810 ss 001512-001617 17.8 330 -5.5 840813 1 181525-181552 15.3 265 708 0.8 ss 192235-192327 15.7 270 2 200508-200546 15.7 090 773 6.8 3 205445-205535 16.0 100 837 10.8 840814 1 000752-000815 16.1 090 840814 1 224924-224926 13.0 360 765 5.0 2 232242-232248 12.5 200 3 234215-234243 12.5 185 840815 1 001933-002013 12.5 160 840820 1 201034-201055 14.0 205 709 -2.3 840825 1 215944-220038 14.5 330 683 0.0

1985 Rain experiment seeding summary

Date Expt Times Alt. Head Stn VOR/DME Cloud Base No. Initial Final Pres Temp yymmdd (UTC) (Kft) (&#176 mag) (deg/nmi) (mb) (&#176 C) 850603 1 223750-223955 14.0 280 YRM 200/29.0 208/29.7 760 -0.7 850604 675 -2.0 850606 ss 221254-221348 13.0 220 YEG 162/38.5 158/37.1 750 1.0 ss 223340-223520 13.0 230 YEG 158/37.1 165/37.7 850610 749 -2.0 850612 670 -2.5 850615 1 205005-205056 12.6 140 YEG 142/34.5 142/37.0 780 -1.0 2 214210-214234 13.0 315 YEG 123/37.7 120/36.0 808 1.8 850620 1 214000-214200 13.8 320 YYC 321/72.0 323/73.0 sys. crash 2 224005-224050 13.8 325 YEG 120/39.0 730 -0.5 3 233200-233310 14.0 310 YEG 120/71.0 120/68.0 expt abort 4 234225-234255 13.7 135 YYC 015/82.0 020/81.0 730 -0.5 850624 850 2.7 850625 1 202904-203023 12.9 100 YEG 185/70.0 181/71.0 710 -3.5 2 213951-214035 12.9 080 YYC 320/52.0 325/50.0 715 -3.0 bs 222646-223051 9.0 YYC 346/31.0 347/31.0 724 -2.0 26 4 011317-011357 13.0 260 YYC 330/ 5.0 328/ 6.0 850627 650 -1.0 850701 1 013705-013919 17.0 290 YRM 335/ 6.1 329/11.4 593 -6.0 850702 1 011724-011740 17.2 100 YEG 215/48.0 738 6.3 2 020619-020636 17.0 110 YEG 220/ 4.0 3 024439-024529 17.0 115 YEG 216/59.0 850710 1 224817-224850 17.8 340 YEG 200/17.0 201/13.0 660 2.8 850712 1 192709-192715 15.0 YRM 156/21.5 152/21.9 705 0.6 13 2 020540-020548 17.2 115 YYC 296/62.5 745 -0.4 850713 1a 180518-180635 13.7 140 YRM 169/34.2 162/35.0 740 0.5 2 194612-194653 13.8 320 YYC 341/33.4 346/35.5 14 1b 000825-000852 14.9 320 YYC 325/95.0 323/97.5 767 2.3 2 005001-005017 15.0 315 YEG 205/46.0 770 3.0 3 013846-013901 13.5 130 YEG 215/51.3 215/51.5 762 2.7 850715 1 232021-232110 15.5 310 YEG 225/56.0 226/55.0 727 2.1 16 2 002408-002440 15.5 120 YEG 226/71.0 220/70.0 725 2.8 3 010834-010859 15.5 320 YEG 225/48.0 227/47.8 727 2.3 4 014400-014421 15.5 130 YEG 202/37.8 200/38.3 715 1.8 850717 1 221415-221438 14.8 260 YEG 140/65.0 141/65.0 768 4.0 850718 bs 215828-220218 10.0 YEG 111/38.5 111/38.6 700 1.2 bs 225945-230414 11.7 YEG 128/75.0 125/74.0 690 0.5 850723 1 010950-011026 17.7 080 YYC 005/27.0 010/27.0 666 1.0 850724 1 220501-220520 15.5 360 YEG 101/25.2 100/25.3 767 4.1 2 225744-225752 15.2 005 YEG 100/25.8 100/25.8 660 -3.4 3 234431-234453 13.4 190 YEG 109/64.0 110/64.8 735 2.5 850729 1 214422-214445 16.1 215 YYC 024/39.0 024/38.0 690 0.0 2 222629-222641 16.0 035 YYC 040/67.0 662 -0.8 3 231412-231443 16.1 020 YEG /109 124/109 665 -1.8 850802 bs 230830-231310 10.4 090 YYC 347/32.0 335/32.0 670 4.3 03 1 001906-001958 18.1 220 YYC 303/39.0 298/40.0 643 -3.9 850812 750 -2.4 850813 1 205635-205716 13.0 060 YEG 142/81.0 138/82.5 715 -2.6 2 214200-214250 13.0 235 YYC 358/42.5 354/41.0 705 -3.8 3 223250-223335 13.3 050 YYC 032/11.0 694 -4.3 where: ss - special seeding event bs - base seeding event

1985 Hail experiment treatment summary

Date Expt Times Alt. Head Stn VOR/DME Cloud Base No. Initial Final Pres Temp yymmdd (UTC) (Kft) (&#176 mag) (deg/nmi) (mb) (&#176 C) 850621a no experiments flight aborted 850623 no experiments 796 6.0 850705b no experiments 700 4.5 850712b 1+i 003903-003916 16.5 060 YEG 192/28 190/27 780 10.0 2+in 012337-012356 15.3 150 YEG 150/24 148/26 756 8.0 3 021323-021357 15.0 270 YEG 115/38 115/36 756 8.0 4 023407-023508 15.0 150 YEG 105/45 108/48 756 8.0 850717 1+i 233727-233814 14.8 360 YEG 192/44 190/42 770 4.0 850723b 1+i 230728-230845 16.9 310 YYC 235/22 236/22 775 9.0 2+in 232730-232850 17.5 350 YYC 215/28 220/25 775 9.0 24 3 000909-001000 17.6 030 YYC 192/40 775 9.0 850730 1 225514-225602 17.1 350 YYC 256/74 260/74 725 4.0 850802 i 013959-014111 18.0 120 YYC 316/59 319/55 750 6.5 850804b i 215227-215400 17.8 090 YYC 331/63 750 9.5 05 i 000105-000214 18.5 330 YYC 005/60 004/61 750 9.5 850830 1 220245-220318 14.5 110 YEG 130/61 129/63 780 5.8 2 222827-222953 14.5 290 YEG 123/76 123/73 780 5.8 where: i - iron tracer in - indium tracer