FPCN39 CWLW 011500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 1 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 34/FAIR 386 29 86/GOOD 529 28 38/FAIR 1060 3 KAMLOOPS 40/FAIR 765 32 50/FAIR 942 34 33/POOR 775 10 OKANAGAN 40/FAIR 987 36 100/GOOD 887 29 49/FAIR 1045 5 CASTLEGAR 40/GOOD 1023 20 44/FAIR 720 26 43/FAIR 1118 4 CRANBROOK 40/FAIR 1513 18 43/FAIR 1144 32 100/GOOD 1766 13 REVELSTOKE 30/POOR 1040 22 25/POOR 592 21 47/FAIR 1037 7 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 16 S 31 SW 78 CRANBROOK SW 22 SW 74 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 40/FAIR 1169 41 47/FAIR 780 23 48/FAIR 1111 10 100 MILE 100/GOOD 1469 42 100/GOOD 1390 31 13/POOR 960 9 WILLIAMS LK 40/FAIR 1474 38 37/FAIR 1128 25 54/FAIR 1637 8 PUNTZI MNT 24/POOR 1003 27 100/GOOD 1572 19 41/FAIR 1492 4 PR. GEORGE 40/FAIR 1135 37 14/POOR 723 21 26/POOR 985 5 BURNS LAKE 41/FAIR 922 26 28/POOR 977 17 21/POOR 910 7 SMITHERS 54/FAIR 846 20 26/POOR 772 17 24/POOR 673 7 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 54 S 46 SMITHERS SE 37 SE 31 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 401 10 18/POOR 509 12 26/POOR 554 16 FT STJOHN 14/POOR 738 15 15/POOR 781 8 71/GOOD 1242 16 WHITEHORSE 14/POOR 741 26 58/GOOD 992 23 27/POOR 799 39 DAWSON 12/POOR 410 17 12/POOR 382 5 19/POOR 421 39 WATSON LAKE 13/POOR 713 14 13/POOR 770 6 17/POOR 784 11 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 22 SW 43 WATSON LAKE SW 50 W 48 WHITEHORSE SW 54 SW 83 MAYO SW 44 SW 52 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 17/POOR 29 60 13/POOR 12 49 17/POOR 319 6 FRASER VLY 38/FAIR 210 43 13/POOR 80 37 22/POOR 538 5 SRN VRISL 34/FAIR 106 35 40/FAIR 27 45 26/POOR 412 11 CNTRL VRISL 25/POOR 113 31 35/FAIR 36 36 31/POOR 734 7 NRN VRISL 34/FAIR 145 30 65/GOOD 61 22 51/FAIR 866 7 TERRACE 13/POOR 255 15 60/GOOD 432 14 37/FAIR 648 9 STEWART 13/POOR 53 15 60/GOOD 141 17 12/POOR 41 8 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 57 S 87 SW 91 SANDSPIT E 46 E 48 NE 52 PORT HARDY S 53 S 72 S 74 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^