FPCN39 CWLW 201500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 20 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 19/POOR 375 7 22/POOR 384 14 33/POOR 773 4 KAMLOOPS 12/POOR 381 9 17/POOR 501 5 24/POOR 603 12 OKANAGAN 14/POOR 498 8 27/POOR 641 14 36/FAIR 800 8 CASTLEGAR 21/POOR 643 14 33/POOR 882 10 22/POOR 687 7 CRANBROOK 14/POOR 1000 10 34/FAIR 1274 14 38/FAIR 1350 12 REVELSTOKE 14/POOR 500 14 25/POOR 732 9 23/POOR 661 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SE 15 S 19 CRANBROOK 0 0 W 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 13/POOR 567 12 24/POOR 784 9 22/POOR 710 13 100 MILE 16/POOR 995 17 25/POOR 1120 18 26/POOR 1190 13 WILLIAMS LK 13/POOR 983 16 20/POOR 1155 6 28/POOR 1210 14 PUNTZI MNT 14/POOR 964 7 14/POOR 1020 2 25/POOR 1217 9 PR. GEORGE 13/POOR 729 4 14/POOR 865 4 14/POOR 818 7 BURNS LAKE 17/POOR 793 19 19/POOR 880 10 18/POOR 892 7 SMITHERS 21/POOR 647 20 20/POOR 679 12 18/POOR 687 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 0 0 SMITHERS SE 35 SE 17 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 399 20 14/POOR 430 18 18/POOR 446 11 FT STJOHN 18/POOR 755 26 13/POOR 733 30 13/POOR 713 26 WHITEHORSE 13/POOR 721 15 15/POOR 750 15 25/POOR 850 20 DAWSON 12/POOR 380 8 12/POOR 387 20 14/POOR 403 23 WATSON LAKE 12/POOR 708 0 12/POOR 704 16 13/POOR 714 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 19 W 19 WATSON LAKE W 54 W 48 WHITEHORSE SW 54 W 65 MAYO W 37 W 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 20/POOR 292 15 28/POOR 300 22 13/POOR 157 6 FRASER VLY 24/POOR 195 16 20/POOR 157 10 19/POOR 417 5 SRN VRISL 26/POOR 224 14 33/POOR 267 18 17/POOR 300 6 CNTRL VRISL 27/POOR 215 8 39/FAIR 318 16 16/POOR 366 4 NRN VRISL 14/FAIR 150 12 19/POOR 200 25 18/POOR 257 3 TERRACE 25/POOR 380 19 19/POOR 372 12 18/POOR 344 14 STEWART 16/POOR 75 21 12/POOR 31 17 13/POOR 54 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 24 S 26 SW 30 SANDSPIT NE 24 NE 17 NE 13 PORT HARDY SE 27 SE 20 SE 17 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/WJW $$$$^^