FPCN39 CWLW 041500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 4 FEBRUARY 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 27/POOR 380 17 38/FAIR 665 8 41/FAIR 620 10 KAMLOOPS 15/POOR 396 23 15/POOR 396 23 13/POOR 369 17 OKANAGAN 17/POOR 499 19 18/POOR 1019 18 18/POOR 1019 18 CASTLEGAR 45/FAIR 720 27 45/FAIR 720 27 13/POOR 548 11 CRANBROOK 18/POOR 1019 18 18/POOR 1019 18 25/POOR 1175 12 REVELSTOKE 20/POOR 542 27 41/FAIR 755 14 24/POOR 653 15 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 14 SE 43 SE 52 CRANBROOK E 19 SE 43 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 621 30 53/FAIR 937 9 49/FAIR 855 19 100 MILE 24/POOR 1039 31 24/POOR 1039 31 24/POOR 1039 31 WILLIAMS LK 17/POOR 1000 28 17/POOR 1000 28 19/POOR 1028 20 PUNTZI MNT 20/POOR 988 22 46/FAIR 1271 15 28/POOR 1126 13 PR. GEORGE 15/POOR 738 19 20/POOR 899 10 20/POOR 899 10 BURNS LAKE 34/FAIR 882 26 31/POOR 884 22 22/POOR 917 10 SMITHERS 36/FAIR 718 24 24/POOR 652 22 25/POOR 764 10 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 50 S 44 SMITHERS SE 37 S 26 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 14/POOR 428 20 20/POOR 655 4 16/POOR 459 17 FT STJOHN 13/POOR 729 5 17/POOR 849 9 13/POOR 762 8 WHITEHORSE 21/POOR 801 24 22/POOR 822 21 17/POOR 803 10 DAWSON 13/POOR 390 35 17/POOR 428 24 12/POOR 377 13 WATSON LAKE 14/POOR 735 12 15/POOR 747 14 14/POOR 742 12 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 41 S 41 WATSON LAKE S 31 S 35 WHITEHORSE S 37 S 43 MAYO SE 31 S 35 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 67 40 19/POOR 96 25 13/POOR 22 36 FRASER VLY 18/POOR 129 24 27/POOR 291 7 27/POOR 291 7 SRN VRISL 15/POOR 69 19 21/POOR 130 21 28/POOR 138 32 CNTRL VRISL 17/POOR 87 26 17/POOR 87 26 17/POOR 87 26 NRN VRISL 17/POOR 72 31 19/POOR 87 27 31/POOR 142 39 TERRACE 23/POOR 348 20 21/POOR 336 15 19/POOR 376 10 STEWART 32/POOR 173 25 13/POOR 39 25 15/POOR 67 18 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 42 SE 37 SE 37 SANDSPIT SE 50 SE 52 SE 50 PORT HARDY SE 55 SE 46 SE 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^