FPCN39 CWLW 081430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 8 FEBRUARY 2001 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 40/FAIR 600 4 49/FAIR 670 8 30/POOR 702 5 KAMLOOPS 38/FAIR 621 14 37/FAIR 630 16 48/FAIR 851 11 OKANAGAN 40/FAIR 719 11 50/FAIR 864 15 57/GOOD 1013 11 CASTLEGAR 20/POOR 636 14 50/FAIR 945 10 57/GOOD 1180 7 CRANBROOK 13/POOR 1021 3 100/GOOD 1829 13 57/GOOD 1712 7 REVELSTOKE 41/FAIR 757 13 40/FAIR 824 10 45/FAIR 1059 6 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. SW 9 W 28 CRANBROOK W 13 W 33 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 48/FAIR 796 24 29/POOR 746 15 42/FAIR 944 10 100 MILE 52/FAIR 1219 24 49/FAIR 1232 22 67/GOOD 1530 16 WILLIAMS LK 47/FAIR 1191 23 28/POOR 1105 19 62/GOOD 1523 14 PUNTZI MNT 16/POOR 976 13 30/POOR 1116 17 28/POOR 1276 10 PR. GEORGE 20/POOR 790 19 32/POOR 886 17 24/POOR 971 6 BURNS LAKE 50/FAIR 967 25 46/FAIR 957 25 28/POOR 969 11 SMITHERS 50/FAIR 762 20 50 FAIR 762 20 28/POOR 799 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE E 19 0 0 SMITHERS E 24 SW 15 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 16/POOR 493 12 35/FAIR 743 10 40/FAIR 640 19 FT STJOHN 40/FAIR 1025 12 44/FAIR 971 21 89/GOOD 1294 21 WHITEHORSE 35/FAIR 1000 14 26/POOR 900 12 23/POOR 856 15 DAWSON 12/POOR 385 5 12/POOR 419 6 14/POOR 437 0 WATSON LAKE 24/POOR 800 20 15/POOR 764 12 23/POOR 911 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 22 SE 22 WATSON LAKE E 19 SE 22 WHITEHORSE 0 0 0 0 MAYO 0 0 NE 20 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 45/FAIR 450 20 45/FAIR 450 20 32/POOR 333 11 FRASER VLY 20/POOR 250 10 20/POOR 250 10 24/POOR 412 7 SRN VRISL 45/FAIR 450 20 45/FAIR 450 20 42/FAIR 533 9 CNTRL VRISL 45/FAIR 450 20 75/GOOD 377 31 61/GOOD 665 9 NRN VRISL 35/FAIR 194 35 75/GOOD 350 30 59/GOOD 815 5 TERRACE 80/POOR 784 30 80/GOOD 786 30 60/GOOD 556 23 STEWART 15/POOR 110 4 14/POOR 55 23 16/POOR 116 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 38 S 46 S 39 SANDSPIT E 9. E 19 E 33 PORT HARDY 0 0 S 15 S 41 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JDG