FPCN39 CWLW 201430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 20 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 23/POOR 377 10 29/POOR 772 3 36/FAIR 1016 4 KAMLOOPS 14/POOR 394 10 35/FAIR 824 7 26/POOR 917 4 OKANAGAN 22/POOR 562 13 42/FAIR 1107 4 50/FAIR 1358 4 CASTLEGAR 33/POOR 676 23 50/FAIR 1130 7 52/FAIR 1437 4 CRANBROOK 24/POOR 1080 15 52/FAIR 1630 4 50/FAIR 1547 7 REVELSTOKE 20/POOR 549 18 51/FAIR 1159 5 40/FAIR 1404 3 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 SW 15 CRANBROOK 0 0 S 19 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 18/POOR 623 20 42/FAIR 1031 9 29/POOR 1067 7 100 MILE 21/POOR 1025 18 40/FAIR 1287 13 28/POOR 1615 4 WILLIAMS LK 19/POOR 1030 17 50/FAIR 1515 9 28/POOR 1486 4 PUNTZI MNT 14/POOR 954 2 20/POOR 1339 3 40/FAIR 1525 8 PR. GEORGE 18/POOR 776 12 32/POOR 1201 3 24/POOR 1134 5 BURNS LAKE 16/POOR 806 13 17/POOR 1025 4 27/POOR 1167 6 SMITHERS 19/POOR 642 17 16/POOR 817 3 24/POOR 860 6 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 15 W 24 SMITHERS 0 0 NW 13 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 12/POOR 420 6 50/FAIR 613 15 23/POOR 754 3 FT STJOHN 18/POOR 770 19 50/FAIR 896 17 19/POOR 995 4 WHITEHORSE 13/POOR 733 20 13/POOR 770 7 17/POOR 822 13 DAWSON 13/POOR 394 14 14/POOR 430 13 13/POOR 434 1 WATSON LAKE 12/POOR 718 5 24/POOR 883 13 13/POOR 774 3 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 11 NW 22 WATSON LAKE NW 30 NW 30 WHITEHORSE W 11 0 0 MAYO W 17 W 26 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 21/POOR 206 5 45/FAIR 367 8 18/POOR 124 10 FRASER VLY 25/POOR 239 4 43/FAIR 734 8 45/FAIR 681 5 SRN VRISL 26/POOR 237 5 40/FAIR 322 8 30/POOR 214 12 CNTRL VRISL 24/POOR 237 5 40/FAIR 514 8 31/POOR 386 7 NRN VRISL 27/POOR 151 7 35/FAIR 493 12 38/FAIR 435 15 TERRACE 50/FAIR 310 20 70/GOOD 542 20 70/GOOD 527 20 STEWART 18/POOR 95 18 13/POOR 65 13 14/POOR 64 15 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 9. S 13 SW 17 SANDSPIT SE 14 SE 19 SE 22 PORT HARDY SE 9. SE 11 E 11 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC