FPCN39 CWLW 251500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 25 JANUARY 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 15/POOR 325 8 15/POOR 392 4 50/FAIR 773 13 KAMLOOPS 16/POOR 413 17 18/POOR 531 7 52/FAIR 779 16 OKANAGAN 13/POOR 464 16 24/POOR 637 11 50/FAIR 700 15 CASTLEGAR 19/POOR 595 20 32/POOR 771 11 48/FAIR 870 11 CRANBROOK 13/POOR 970 11 23/POOR 1252 6 40/FAIR 1189 20 REVELSTOKE 16/POOR 512 17 30/POOR 744 13 28/POOR 689 13 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 9. SE 20 S 28 CRANBROOK 0 0 SW 11 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 20/POOR 624 26 46/FAIR 882 13 49/FAIR 835 10 100 MILE 25/POOR 1051 27 36/FAIR 1210 16 44/FAIR 858 4 WILLIAMS LK 20/POOR 1035 27 42/FAIR 1283 14 46/FAIR 1046 9 PUNTZI MNT 14/POOR 985 7 13/POOR 1056 1 50/FAIR 1163 21 PR. GEORGE 15/POOR 740 16 24/POOR 937 2 18/POOR 776 19 BURNS LAKE 22/POOR 854 17 20/POOR 967 6 50/FAIR 905 23 SMITHERS 23/POOR 662 18 17/POOR 643 10 13/POOR 559 23 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 28 S 26 SMITHERS S 24 SE 30 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 400 22 13/POOR 445 16 14/POOR 447 17 FT STJOHN 13/POOR 721 26 14/POOR 746 11 35/FAIR 848 39 WHITEHORSE 14/POOR 739 25 13/POOR 725 26 13/POOR 721 26 DAWSON 15/POOR 409 29 13/POOR 382 22 13/POOR 386 33 WATSON LAKE 12/POOR 706 7 13/POOR 768 3 14/POOR 727 17 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 19 SW 35 WATSON LAKE W 35 W 50 WHITEHORSE SW 50 SW 76 MAYO SW 61 SW 63 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 25/POOR 111 28 13/POOR 17 17 36/FAIR 315 9 FRASER VLY 13/POOR 89 16 12/POOR 66 12 44/FAIR 458 12 SRN VRISL 28/POOR 189 17 25/POOR 224 9 48/FAIR 430 4 CNTRL VRISL 37/FAIR 265 20 25/POOR 255 11 45/FAIR 405 6 NRN VRISL 23/POOR 136 23 29/POOR 539 7 19/POOR 108 21 TERRACE 17/POOR 299 15 14/POOR 282 9 14/POOR 260 22 STEWART 15/POOR 69 22 13/POOR 49 13 21/POOR 125 23 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 29 SE 30 S 35 SANDSPIT SE 14 SE 20 SE 28 PORT HARDY SE 38 SE 31 SE 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^