FPCN39 CWLW 051500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 5 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 28/POOR 1270 15 44/FAIR 1317 20 44/FAIR 436 21 KAMLOOPS 28/POOR 643 12 44/FAIR 537 20 44/FAIR 900 28 OKANAGAN 29/POOR 707 10 44/FAIR 561 24 44/FAIR 800 28 CASTLEGAR 13/POOR 539 10 44/FAIR 944 11 44/FAIR 800 23 CRANBROOK 13/POOR 1030 4 44/FAIR 1450 17 44/FAIR 1400 31 REVELSTOKE 14/POOR 511 8 44/FAIR 807 12 44/FAIR 665 19 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON NW 30 NW 50 CRANBROOK NW 20 NW 60 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 37/FAIR 758 22 44/FAIR 800 33 57/GOOD 688 28 100 MILE 31/POOR 1107 24 44/FAIR 1150 35 57/GOOD 1200 28 WILLIAMS LK 32/POOR 1124 22 44/FAIR 1150 32 57/GOOD 1100 26 PUNTZI MNT 34/FAIR 1146 10 44/FAIR 948 22 57/GOOD 1000 25 PR. GEORGE 31/POOR 926 13 44/FAIR 806 31 57/GOOD 703 31 BURNS LAKE 37/FAIR 966 16 44/FAIR 784 23 57/GOOD 729 34 SMITHERS 44/FAIR 803 18 44/FAIR 613 21 57/GOOD 534 31 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 60 NW 60 SMITHERS NW 60 NW 60 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 4 12/POOR 435 1 20/POOR 571 9 FT STJOHN 15/POOR 747 18 13/POOR 758 12 19/POOR 865 13 WHITEHORSE 12/POOR 720 18 44/FAIR 710 21 44/FAIR 710 15 DAWSON 12/POOR 373 27 12/POOR 371 28 12/POOR 377 25 WATSON LAKE 12/POOR 700 3 12/POOR 701 6 12/POOR 693 8 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 40 W 70 WATSON LAKE W 50 W 90 WHITEHORSE SW 40 W 60 MAYO SW 10 W 40 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 30/POOR 286 18 49/FAIR 500 37 52/FAIR 413 33 FRASER VLY 27/POOR 254 17 49/FAIR 395 30 52/FAIR 575 24 SRN VRISL 28/POOR 249 15 49/FAIR 500 29 45/FAIR 296 31 CNTRL VRISL 28/POOR 358 18 49/FAIR 500 24 37/FAIR 241 29 NRN VRISL 46/FAIR 305 34 49/FAIR 577 34 67/GOOD 282 35 TERRACE 41/FAIR 644 18 47/FAIR 623 19 28/POOR 386 22 STEWART 41/FAIR 264 18 36/FAIR 239 19 16/POOR 72 23 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 30 W 40 SANDSPIT SW 90 SW 99 PORT HARDY SW 44 SW 55 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^