FPCN39 CWLW 071400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 7 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 25/POOR 379 18 44/FAIR 655 20 86/GOOD 809 15 KAMLOOPS 43/FAIR 588 23 44/FAIR 655 20 71/GOOD 775 17 OKANAGAN 49/FAIR 665 27 44/FAIR 655 20 76/GOOD 922 18 CASTLEGAR 46/FAIR 749 24 51/FAIR 994 12 65/GOOD 1098 13 CRANBROOK 20/POOR 1074 11 35/FAIR 1384 8 59/GOOD 1477 16 REVELSTOKE 37/FAIR 654 23 50/FAIR 866 16 78/GOOD 1017 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 9. SE 30 E 15 CRANBROOK NE 9 N 20 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 74/GOOD 816 38 48/FAIR 731 31 32/POOR 978 7 100 MILE 69/GOOD 1215 36 54/FAIR 1202 30 41/FAIR 1206 6 WILLIAMS LK 62/GOOD 1189 35 67/GOOD 1239 30 17/POOR 1151 5 PUNTZI MNT 17/POOR 971 15 54/FAIR 1202 30 67/GOOD 1475 11 PR. GEORGE 38/FAIR 840 37 54/FAIR 1202 30 28/POOR 1012 9 BURNS LAKE 18/POOR 783 24 13/POOR 740 29 100/GOOD 1567 18 SMITHERS 13/POOR 559 24 13/POOR 543 23 59/GOOD 1036 17 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 43 S 22 SMITHERS S 54 S 74 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 18/POOR 468 10 18/POOR 445 29 41/FAIR 716 19 FT STJOHN 17/POOR 755 21 17/POOR 755 21 76/GOOD 1316 16 WHITEHORSE 100/GOOD 1142 33 100/GOOD 1440 37 100/GOOD 1403 30 DAWSON 22/POOR 448 33 22/POOR 448 33 16/POOR 478 6 WATSON LAKE 28/POOR 822 28 14/POOR 722 26 100/GOOD 1178 23 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 52 SW 80 WATSON LAKE SW 54 SW 61 WHITEHORSE S 48 SW 67 MAYO S 50 SW 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 21/POOR 72 30 34/FAIR 247 11 22/POOR 135 19 FRASER VLY 20/POOR 145 24 34/FAIR 247 11 33/POOR 325 14 SRN VRISL 18/POOR 89 21 19/POOR 172 2 32/POOR 225 15 CNTRL VRISL 22/POOR 136 25 37/FAIR 405 8 78/GOOD 837 8 NRN VRISL 15/POOR 51 38 13/POOR 35 37 40/FAIR 382 21 TERRACE 15/POOR 259 27 12/POOR 229 19 17/POOR 320 15 STEWART 19/POOR 100 25 12/POOR 26 18 25/POOR 156 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 40 SE 26 S 19 SANDSPIT S 85 S 87 S 74 PORT HARDY S 51 S 37 S 46 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^