FPCN39 CWLW 201500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 20 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 16/POOR 292 20 45/FAIR 577 10 100/GOOD 1060 22 KAMLOOPS 27/POOR 487 23 49/FAIR 742 21 100/GOOD 1123 28 OKANAGAN 51/FAIR 661 29 51/FAIR 749 21 91/GOOD 929 19 CASTLEGAR 27/POOR 644 21 27/POOR 810 11 17/POOR 615 11 CRANBROOK 13/POOR 987 9 53/FAIR 1495 9 47/FAIR 1319 15 REVELSTOKE 32/POOR 618 23 53/FAIR 867 14 23/POOR 613 15 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 19 W 17 CRANBROOK W 11 NW 35 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 58/GOOD 870 36 43/FAIR 845 23 40/FAIR 779 23 100 MILE 71/GOOD 1225 35 100/GOOD 1445 27 100/GOOD 1447 29 WILLIAMS LK 51/FAIR 1243 32 39/FAIR 1134 34 44/FAIR 1206 24 PUNTZI MNT 17/POOR 968 18 100/GOOD 1584 15 100/GOOD 2567 27 PR. GEORGE 62/GOOD 1082 33 50/FAIR 1124 18 42/FAIR 909 23 BURNS LAKE 30/POOR 882 23 45/FAIR 1061 15 57/GOOD 1102 27 SMITHERS 42/FAIR 764 23 48/FAIR 865 16 81/GOOD 1025 19 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 46 SW 54 SMITHERS S 56 SW 81 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 15/POOR 447 14 23/POOR 502 15 15/POOR 576 3 FT STJOHN 17/POOR 746 32 34/FAIR 868 17 20/POOR 840 15 WHITEHORSE 18/POOR 777 21 43/FAIR 976 18 36/FAIR 1018 14 DAWSON 13/POOR 394 4 13/POOR 485 4 19/POOR 511 11 WATSON LAKE 19/POOR 780 20 16/POOR 751 17 35/FAIR 1037 11 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 46 SW 87 WATSON LAKE SW 50 W 61 WHITEHORSE S 52 S 91 MAYO S 44 SW 48 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 24/POOR 137 35 39/FAIR 360 23 29/POOR 115 20 FRASER VLY 26/POOR 141 26 32/FAIR 252 23 64/GOOD 385 15 SRN VRISL 31/FAIR 192 26 27/FAIR 170 25 30/FAIR 172 18 CNTRL VRISL 33/POOR 177 28 57/GOOD 538 22 55/FAIR 553 17 NRN VRISL 100/GOOD 1212 38 100/GOOD 1224 29 85/GOOD 982 24 TERRACE 15/POOR 283 20 14/POOR 265 16 55/GOOD 683 13 STEWART 14/POOR 49 20 12/POOR 25 16 31/POOR 357 10 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 25 S 33 SW 41 SANDSPIT S 10 S 107 S 113 PORT HARDY S 59 S 78 S 76 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^