FPCN39 CWLW 261500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 26 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 30/POOR 459 13 100/GOOD 1455 10 50/FAIR 1361 6 KAMLOOPS 16/POOR 411 16 100/GOOD 1718 12 59/GOOD 1215 7 OKANAGAN 23/POOR 679 9 55/GOOD 1764 3 73/GOOD 1686 5 CASTLEGAR 43/FAIR 769 18 100/GOOD 1694 11 70/GOOD 1943 2 CRANBROOK 52/FAIR 1289 22 88/GOOD 2167 14 63/GOOD 2424 7 REVELSTOKE 58/GOOD 1166 10 66/GOOD 1619 6 31/POOR 1821 4 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 9 S 30 CRANBROOK SW 13 SW 39 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 26/POOR 669 24 100/GOOD 1309 20 54/FAIR 963 15 100 MILE 19/POOR 1020 23 100/GOOD 2151 19 100/GOOD 1881 17 WILLIAMS LK 20/POOR 1029 21 100/GOOD 1937 16 79/GOOD 1622 13 PUNTZI MNT 17/POOR 971 19 100/GOOD 2505 17 100/GOOD 1999 15 PR. GEORGE 30/POOR 832 27 100/GOOD 1338 19 79/GOOD 1309 17 BURNS LAKE 25/POOR 848 24 81/GOOD 1361 16 66/GOOD 1454 10 SMITHERS 27/POOR 682 21 30/POOR 968 5 95/GOOD 1636 7 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 54 SW 52 SMITHERS S 56 SW 87 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 13/POOR 417 8 22/POOR 562 10 19/POOR 713 4 FT STJOHN 14/POOR 735 18 23/POOR 837 14 45/FAIR 1133 11 WHITEHORSE 19/POOR 787 23 27/POOR 887 16 32/POOR 939 16 DAWSON 14/POOR 407 19 22/POOR 503 16 18/POOR 476 15 WATSON LAKE 13/POOR 732 11 45/FAIR 1154 11 33/POOR 1093 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 22 S 43 WATSON LAKE SE 22 S 26 WHITEHORSE S 24 S 43 MAYO E 43 SE 44 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 81/GOOD 394 21 100/GOOD 560 30 20/POOR 534 6 FRASER VLY 76/GOOD 560 16 100/GOOD 1125 15 37/FAIR 1192 12 SRN VRISL 40/FAIR 189 19 74/GOOD 409 14 43/FAIR 473 14 CNTRL VRISL 47/FAIR 244 23 51/FAIR 400 13 63/GOOD 1118 10 NRN VRISL 42/FAIR 351 14 74/GOOD 795 14 91/GOOD 739 20 TERRACE 40/FAIR 562 15 100/GOOD 1132 10 60/GOOD 960 8 STEWART 16/POOR 77 16 17/POOR 120 11 30/POOR 266 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 24 SW 31 SW 39 SANDSPIT S 44 S 44 S 43 PORT HARDY S 61 S 74 S 65 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^