FPCN39 CWLW 261330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 26 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 13/POOR 281 2 38/FAIR 689 6 100/GOOD 807 24 KAMLOOPS 12/POOR 374 8 25/POOR 637 8 100/GOOD 1347 26 OKANAGAN 15/POOR 493 9 32/POOR 770 10 96/GOOD 1106 20 CASTLEGAR 23/POOR 631 20 23/POOR 631 20 23/POOR 689 16 CRANBROOK 18/POOR 1031 15 18/POOR 1031 15 43/FAIR 1313 19 REVELSTOKE 27/POOR 609 17 27/POOR 609 17 17/POOR 548 14 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 S 11 CRANBROOK E 9 SE 9 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 15/POOR 609 9 48/FAIR 921 15 100/GOOD 1110 36 100 MILE 14/POOR 986 15 38/FAIR 1233 16 100/GOOD 1836 36 WILLIAMS LK 15/POOR 1013 12 42/FAIR 1306 12 100/GOOD 1815 35 PUNTZI MNT 17/POOR 1055 5 37/FAIR 1339 11 100/GOOD 1263 32 PR. GEORGE 16/POOR 794 9 37/FAIR 1031 16 100/GOOD 1265 34 BURNS LAKE 30/POOR 1029 9 31/POOR 1222 10 19/POOR 783 28 SMITHERS 28/POOR 776 11 36/FAIR 996 11 15/POOR 571 23 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NE 15 0 0 SMITHERS E 26 E 19 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 37/FAIR 558 28 54/FAIR 733 16 15/POOR 446 22 FT STJOHN 93/GOOD 1148 28 19/POOR 856 5 43/FAIR 968 28 WHITEHORSE 20/POOR 838 13 23/POOR 881 14 32/POOR 884 25 DAWSON 12/POOR 383 12 12/POOR 389 4 16/POOR 408 18 WATSON LAKE 20/POOR 839 11 20/POOR 887 8 31/POOR 874 23 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 9 NW 26 WATSON LAKE W 31 W 46 WHITEHORSE SW 46 W 61 MAYO S 30 SW 30 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 13/POOR 37 11 17/POOR 168 4 18/POOR 126 44 FRASER VLY 13/POOR 91 9 15/POOR 198 4 24/POOR 208 23 SRN VRISL 13/POOR 54 4 18/POOR 141 6 35/FAIR 201 32 CNTRL VRISL 13/POOR 68 4 32/POOR 515 8 39/FAIR 264 35 NRN VRISL 43/FAIR 373 17 43/FAIR 373 17 18/POOR 83 19 TERRACE 48/FAIR 680 12 39/FAIR 598 11 17/POOR 294 20 STEWART 31/POOR 305 11 34/FAIR 349 11 13/POOR 50 22 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 20 SE 24 S 28 SANDSPIT N 37 NE 24 NE 22 PORT HARDY E 18 SE 19 SE 17 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC