FPCN39 CWLW 171330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 17 OCTOBER 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 49/FAIR 561 15 100/GOOD 868 24 74/GOOD 628 21 KAMLOOPS 100/GOOD 1060 15 100/GOOD 1370 25 100/GOOD 1598 19 OKANAGAN 74/GOOD 904 18 100/GOOD 1171 29 100/GOOD 1324 19 CASTLEGAR 44/FAIR 833 14 75/GOOD 1080 15 100/GOOD 1186 18 CRANBROOK 66/GOOD 1392 13 100/GOOD 1635 15 100/GOOD 1957 18 REVELSTOKE 61/GOOD 980 9 87/GOOD 983 19 78/GOOD 1055 10 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 22 SW 41 CRANBROOK SW 13 W 41 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 52/FAIR 799 24 18/POOR 598 36 100/GOOD 2205 16 100 MILE 71/GOOD 1318 25 84/GOOD 1265 33 100/GOOD 2494 22 WILLIAMS LK 43/FAIR 1165 26 21/GOOD 1021 30 100/GOOD 2628 17 PUNTZI MNT 19/POOR 1004 17 90/GOOD 1225 26 100/GOOD 2410 24 PR. GEORGE 19/POOR 774 26 34/FAIR 815 27 22/POOR 702 21 BURNS LAKE 17/POOR 797 12 45/FAIR 946 23 100/GOOD 1817 30 SMITHERS 17/POOR 601 19 72/GOOD 951 20 82/GOOD 999 21 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 26 SW 35 SMITHERS SW 30 SW 33 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 14/POOR 448 11 16/POOR 436 20 39/FAIR 665 19 FT STJOHN 15/POOR 762 10 66/GOOD 1118 24 100/GOOD 2348 51 WHITEHORSE 34/FAIR 909 21 82/GOOD 1426 13 39/FAIR 1220 14 DAWSON 16/POOR 433 14 36/FAIR 578 21 24/POOR 684 6 WATSON LAKE 14/POOR 748 7 52/FAIR 1079 17 16/POOR 814 8 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 28 SW 52 WATSON LAKE W 35 W 37 WHITEHORSE S 35 S 50 MAYO S 39 S 37 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 67/GOOD 265 43 26/POOR 100 49 16/POOR 61 19 FRASER VLY 84/GOOD 445 30 100/GOOD 595 30 13/POOR 90 21 SRN VRISL 33/POOR 90 27 13/POOR 31 40 51/FAIR 212 18 CNTRL VRISL 34/FAIR 152 28 40/FAIR 209 38 100/GOOD 688 18 NRN VRISL 35/FAIR 116 31 45/FAIR 280 49 76/GOOD 491 13 TERRACE 33/POOR 292 20 40/FAIR 410 35 31/POOR 407 12 STEWART 36/FAIR 260 16 38/FAIR 261 27 61/GOOD 363 11 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 48 SW 67 SW 63 SANDSPIT S 40 S 41 SW 41 PORT HARDY SW 9. SW 20 SW 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO