FPCN39 CWLW 291500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 29 FEBRUARY 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 35/FAIR 468 16 72/GOOD 846 11 100/GOOD 1200 12 KAMLOOPS 34/FAIR 552 20 63/GOOD 879 13 100/GOOD 1370 16 OKANAGAN 75/GOOD 812 22 75/GOOD 1038 11 100/GOOD 1475 13 CASTLEGAR 27/POOR 732 11 18/POOR 705 4 95/GOOD 1694 7 CRANBROOK 24/POOR 1114 15 46/FAIR 1592 7 100/GOOD 2097 12 REVELSTOKE 43/FAIR 772 12 40/FAIR 872 7 78/GOOD 1442 8 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 19 W 43 CRANBROOK W 19 W 50 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 40/FAIR 769 23 32/POOR 999 6 100/GOOD 1416 24 100 MILE 58/GOOD 1233 26 80/GOOD 1605 15 100/GOOD 1920 26 WILLIAMS LK 54/FAIR 1234 23 49/FAIR 1606 5 100/GOOD 1889 22 PUNTZI MNT 16/POOR 1017 12 71/GOOD 1912 9 100/GOOD 1891 19 PR. GEORGE 18/POOR 774 18 52/FAIR 1214 9 100/GOOD 1485 22 BURNS LAKE 22/POOR 915 15 83/GOOD 1548 11 51/FAIR 979 27 SMITHERS 41/FAIR 806 17 90/GOOD 1493 11 39/FAIR 740 23 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 15 0 0 SMITHERS S 9 S 17 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 20/POOR 475 24 36/FAIR 778 10 40/FAIR 714 14 FT STJOHN 17/POOR 764 20 34/FAIR 995 13 70/GOOD 1209 13 WHITEHORSE 33/POOR 898 21 52/FAIR 982 23 27/POOR 823 28 DAWSON 14/POOR 403 25 21/POOR 498 16 34/FAIR 520 29 WATSON LAKE 19/POOR 783 17 19/POOR 783 17 70/GOOD 1095 23 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 17 SE 17 WATSON LAKE 0 0 0 0 WHITEHORSE SE 28 S 28 MAYO S 22 S 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 62/GOOD 276 37 51/FAIR 405 14 27/POOR 152 21 FRASER VLY 56/GOOD 367 26 64/GOOD 629 13 47/FAIR 652 7 SRN VRISL 36/FAIR 208 25 52/FAIR 309 19 42/FAIR 306 18 CNTRL VRISL 52/FAIR 357 19 100/GOOD 929 12 100/GOOD 640 21 NRN VRISL 41/FAIR 361 15 72/GOOD 895 10 79/GOOD 291 41 TERRACE 21/POOR 356 15 98/GOOD 975 14 13/POOR 252 22 STEWART 28/POOR 179 19 25/POOR 130 17 14/POOR 44 23 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 16 SW 26 W 33 SANDSPIT S 37 S 33 S 26 PORT HARDY S 16 S 19 SW 20 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^