FPCN39 CWLW 121400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 12 AUGUST 2000 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 88/GOOD 1139 6 72/GOOD 2050 3 100/GOOD 1928 11 KAMLOOPS 100/GOOD 1667 9 100/GOOD 2476 7 100/GOOD 2372 10 OKANAGAN 81/GOOD 1431 8 100/GOOD 2697 7 100/GOOD 2695 14 CASTLEGAR 48/FAIR 1110 4 100/GOOD 2700 10 100/GOOD 3139 13 CRANBROOK 37/FAIR 1579 10 100/GOOD 3074 16 100/GOOD 3562 20 REVELSTOKE 45/FAIR 1228 7 100/GOOD 2214 8 100/GOOD 1875 13 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 11 W 20 SW 22 CRANBROOK SW 11 SW 31 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 73/GOOD 1131 15 100/GOOD 2474 10 100/GOOD 2565 14 100 MILE 100/GOOD 2001 11 100/GOOD 3280 10 100/GOOD 3152 16 WILLIAMS LK 58/GOOD 1445 14 100/GOOD 3255 9 100/GOOD 3183 13 PUNTZI MNT 58/GOOD 1515 16 100/GOOD 3061 7 100/GOOD 3073 12 PR. GEORGE 56/GOOD 1079 18 100/GOOD 2347 14 100/GOOD 2324 14 BURNS LAKE 100/GOOD 1400 18 100/GOOD 2379 18 100/GOOD 2396 14 SMITHERS 86/GOOD 1160 15 100/GOOD 1975 17 100/GOOD 2125 14 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE E 13 SW 13 SMITHERS 0 0 0 0 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 23/POOR 485 29 100/GOOD 2326 21 100/GOOD 1887 9 FT STJOHN 32/POOR 860 23 100/GOOD 2954 24 100/GOOD 2692 18 WHITEHORSE 90/GOOD 1393 19 100/GOOD 1832 16 90/GOOD 1321 18 DAWSON 85/GOOD 936 21 100/GOOD 1848 16 78/GOOD 868 18 WATSON LAKE 34/FAIR 855 28 100/GOOD 2246 23 100/GOOD 2116 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 0 0 WATSON LAKE 0 0 0 0 WHITEHORSE W 19 W 15 MAYO SW 30 W 28 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 27/POOR 274 7 43/FAIR 464 18 39/FAIR 428 7 FRASER VLY 17/POOR 345 2 64/GOOD 1004 12 79/GOOD 941 12 SRN VRISL 18/POOR 129 10 48/FAIR 418 5 36/FAIR 371 12 CNTRL VRISL 28/POOR 253 15 77/GOOD 1003 10 62/GOOD 1029 2 NRN VRISL 53/FAIR 441 18 95/GOOD 700 29 100/GOOD 697 30 TERRACE 41/FAIR 783 8 100/GOOD 1673 11 93/GOOD 1524 8 STEWART 63/GOOD 640 10 100/GOOD 917 14 70/GOOD 763 11 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 12 W 17 W 28 SANDSPIT NW 16 NW 19 NW 19 PORT HARDY NW 25 NW 28 W 26 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^