FPCN39 CWLW 141454 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 14 DECEMBER 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 307 20 100/GOOD 760 22 100/GOOD 1452 12 KAMLOOPS 27/POOR 582 10 69/GOOD 612 29 100/GOOD 1058 18 OKANAGAN 17/POOR 516 7 76/GOOD 770 31 100/GOOD 2358 17 CASTLEGAR 13/POOR 530 6 62/GOOD 860 17 100/GOOD 2873 21 CRANBROOK 16/POOR 1045 5 92/GOOD 1501 22 100/GOOD 1624 26 REVELSTOKE 51/FAIR 868 12 62/GOOD 571 19 100/GOOD 2339 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. SW 31 SW 83 CRANBROOK SW 26 SW 72 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 19/POOR 678 9 24/POOR 765 15 68/GOOD 1348 4 100 MILE 24/POOR 1161 4 19/POOR 1023 31 100/GOOD 1444 13 WILLIAMS LK 16/POOR 1068 10 16/POOR 1041 13 100/GOOD 1531 7 PUNTZI MNT 29/POOR 1155 12 20/POOR 1034 17 55/GOOD 1502 10 PR. GEORGE 30/POOR 869 24 38/FAIR 953 18 42/FAIR 1476 3 BURNS LAKE 70/GOOD 1325 23 80/GOOD 1317 24 52/FAIR 1374 12 SMITHERS 100/GOOD 1125 23 72/GOOD 913 20 53/FAIR 985 17 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NE 13 SW 19 SMITHERS NE 30 NE 31 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 12/POOR 400 20 12/POOR 413 21 13/POOR 406 17 FT STJOHN 41/FAIR 1146 15 36/FAIR 1232 10 48/FAIR 1185 18 WHITEHORSE 12/POOR 722 14 12/POOR 716 22 13/POOR 732 17 DAWSON 12/POOR 380 20 12/POOR 375 6 12/POOR 381 8 WATSON LAKE 15/POOR 742 15 13/POOR 713 14 12/POOR 712 5 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NE 30 N 50 WATSON LAKE N 35 N 39 WHITEHORSE N 43 N 63 MAYO N 26 N 43 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 36/FAIR 327 19 46/FAIR 399 41 100/GOOD 1249 14 FRASER VLY 16/POOR 131 12 41/FAIR 339 36 100/GOOD 441 7 SRN VRISL 24/POOR 406 5 47/FAIR 451 45 100/GOOD 1008 11 CNTRL VRISL 28/POOR 219 15 42/FAIR 391 30 100/GOOD 659 12 NRN VRISL 24/POOR 144 20 28/POOR 301 16 100/GOOD 1057 24 TERRACE 100/GOOD 868 19 80/GOOD 678 20 15/POOR 280 15 STEWART 85/GOOD 407 26 86/GOOD 398 24 15/POOR 70 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 48 SW 78 W 100 SANDSPIT N 53 N 57 N 59 PORT HARDY W 38 W 56 W 67 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/GF