FPCN39 CWLW 181430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST MONDAY 18 DECEMBER 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 26/POOR 375 25 52/FAIR 443 24 100/GOOD 1139 17 KAMLOOPS 17/POOR 407 27 15/POOR 392 23 100/GOOD 1011 29 OKANAGAN 15/POOR 481 19 45/FAIR 633 30 100/GOOD 1078 25 CASTLEGAR 12/POOR 512 8 49/FAIR 684 14 100/GOOD 1541 21 CRANBROOK 13/POOR 970 22 44/FAIR 1221 19 100/GOOD 2071 25 REVELSTOKE 18/POOR 563 10 13/POOR 477 19 73/GOOD 907 18 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. SW 35 W 81 CRANBROOK W 22 W 76 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 32/POOR 678 34 14/POOR 577 21 46/FAIR 792 24 100 MILE 20/POOR 1009 38 16/POOR 987 29 48/FAIR 1145 30 WILLIAMS LK 22/POOR 1034 33 19/POOR 1020 21 34/FAIR 1101 24 PUNTZI MNT 39/FAIR 1058 23 60/GOOD 1229 35 50/FAIR 1366 18 PR. GEORGE 32/POOR 831 34 14/POOR 723 30 48/FAIR 942 21 BURNS LAKE 56/GOOD 953 33 60/GOOD 1000 34 36/FAIR 930 23 SMITHERS 73/GOOD 840 30 14/POOR 552 28 53/FAIR 812 17 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 61 W 72 SMITHERS W 56 W 74 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 14/POOR 435 13 12/POOR 407 21 12/POOR 389 23 FT STJOHN 20/POOR 772 29 16/POOR 730 47 16/POOR 730 21 WHITEHORSE 36/FAIR 845 39 13/POOR 713 43 13/POOR 721 29 DAWSON 48/FAIR 542 37 13/POOR 394 10 18/POOR 414 41 WATSON LAKE 17/POOR 791 14 13/POOR 713 15 15/POOR 722 8 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 48 W 80 WATSON LAKE W 72 W 76 WHITEHORSE W 52 NW 76 MAYO S 13 SW 22 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 59/GOOD 293 32 34/FAIR 188 18 39/FAIR 273 20 FRASER VLY 24/POOR 184 19 13/POOR 75 19 21/POOR 357 2 SRN VRISL 46/FAIR 275 21 25/POOR 149 11 37/FAIR 283 17 CNTRL VRISL 41/FAIR 247 25 41/FAIR 327 11 52/FAIR 352 21 NRN VRISL 35/FAIR 148 45 14/POOR 40 29 53/FAIR 395 18 TERRACE 31/POOR 395 30 14/POOR 249 21 41/FAIR 666 6 STEWART 36/FAIR 213 27 16/POOR 67 22 41/FAIR 235 14 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 24 W 43 W 54 SANDSPIT W 61 W 70 W 74 PORT HARDY NW 42 NW 50 NW 56 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC