FPCN39 CWLW 301430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 30 JANUARY 2001 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 100/GOOD 810 28 70/GOOD 567 23 50/FAIR 473 24 KAMLOOPS 19/POOR 783 10 19/POOR 420 27 17/POOR 416 23 OKANAGAN 31/POOR 857 14 31/POOR 565 27 12/POOR 435 20 CASTLEGAR 21/POOR 608 11 46/FAIR 769 20 30/POOR 718 16 CRANBROOK 21/POOR 649 17 45/FAIR 773 18 30/POOR 493 1 REVELSTOKE 74/GOOD 964 12 46/FAIR 712 21 13/POOR 475 17 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 14 W 41 W 78 CRANBROOK W 30 W 91 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 43/FAIR 754 26 100/GOOD 1599 10 14/POOR 572 29 100 MILE 51/FAIR 1170 29 57/GOOD 1272 10 50/FAIR 1228 27 WILLIAMS LK 29/POOR 1079 23 81/GOOD 1517 6 38/FAIR 1133 26 PUNTZI MNT 27/POOR 1010 32 44/FAIR 1135 12 40/FAIR 1967 37 PR. GEORGE 54/FAIR 941 29 100/GOOD 1625 16 14/POOR 718 34 BURNS LAKE 16/POOR 769 28 100/GOOD 1535 15 22/POOR 981 35 SMITHERS 19/POOR 595 24 100/GOOD 1234 11 30/POOR 1154 33 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 31 W 41 SMITHERS SW 28 W 54 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 412 19 13/POOR 454 10 28/POOR 518 27 FT STJOHN 36/FAIR 911 23 13/POOR 719 22 13/POOR 720 24 WHITEHORSE 12/POOR 723 14 17/POOR 797 15 14/POOR 741 24 DAWSON 12/POOR 387 15 12/POOR 388 18 40/FAIR 560 28 WATSON LAKE 13/POOR 717 24 14/POOR 755 1 16/POOR 755 24 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 20 SW 26 WATSON LAKE W 35 W 56 WHITEHORSE SW 20 W 30 MAYO W 15 W 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 100/GOOD 427 42 13/POOR 26 30 12/POOR 12 36 FRASER VLY 100/GOOD 465 33 15/POOR 108 28 17/POOR 118 23 SRN VRISL 81/GOOD 349 31 26/POOR 99 28 12/POOR 24 22 CNTRL VRISL 67/GOOD 324 28 88/GOOD 407 28 14/POOR 64 24 NRN VRISL 21/POOR 134 32 13/POOR 34 28 12/POOR 26 44 TERRACE 29/POOR 413 17 59/GOOD 699 13 19/POOR 291 27 STEWART 20/POOR 137 19 21/POOR 119 9 19/POOR 104 25 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 42 W 56 W 54 SANDSPIT S 42 SW 50 SW 54 PORT HARDY SW 55 SW 57 SW 57 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO