FPCN39 CWLW 121400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 12 SEPTEMBER 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 30/POOR 478 13 50/FAIR 796 7 65/GOOD 1191 6 KAMLOOPS 19/POOR 481 3 54/FAIR 1009 8 75/GOOD 1309 10 OKANAGAN 39/FAIR 737 3 100/GOOD 1406 4 76/GOOD 1472 7 CASTLEGAR 25/POOR 782 6 100/GOOD 1552 5 57/GOOD 1607 4 CRANBROOK 57/GOOD 1401 11 100/GOOD 1906 7 76/GOOD 2076 5 REVELSTOKE 22/POOR 651 10 15/POOR 561 9 57/GOOD 1466 4 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 W 15 CRANBROOK W 13 W 37 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 21/POOR 713 6 52/FAIR 1288 4 97/GOOD 1270 17 100 MILE 14/POOR 1003 11 19/POOR 1299 4 98/GOOD 1796 16 WILLIAMS LK 13/POOR 986 5 22/POOR 1465 2 98/GOOD 1822 14 PUNTZI MNT 25/POOR 1120 5 100/GOOD 2131 10 90/GOOD 1877 9 PR. GEORGE 31/POOR 875 7 94/GOOD 1722 10 100/GOOD 1637 16 BURNS LAKE 81/GOOD 1420 6 91/GOOD 1787 10 92/GOOD 1484 17 SMITHERS 81/GOOD 1252 7 71/GOOD 1556 8 82/GOOD 1217 18 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 24 W 37 SMITHERS SW 44 W 56 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 26/POOR 483 17 100/GOOD 1937 15 100/GOOD 1398 22 FT STJOHN 46/FAIR 895 27 100/GOOD 2392 16 100/GOOD 1682 17 WHITEHORSE 100/GOOD 1309 11 100/GOOD 1961 10 53/FAIR 958 34 DAWSON 26/POOR 545 14 100/GOOD 2059 17 100/GOOD 1392 25 WATSON LAKE 84/GOOD 1141 17 100/GOOD 2075 16 100/GOOD 1568 30 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 31 SW 57 WATSON LAKE S 37 SW 37 WHITEHORSE S 46 SW 85 MAYO S 39 S 43 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 15/POOR 81 5 20/POOR 230 12 26/POOR 329 4 FRASER VLY 15/POOR 135 5 36/FAIR 640 5 46/FAIR 816 3 SRN VRISL 13/POOR 81 4 18/POOR 206 7 18/POOR 159 6 CNTRL VRISL 13/POOR 81 1 36/FAIR 548 8 22/POOR 437 3 NRN VRISL 16/POOR 141 9 42/FAIR 485 14 13/POOR 98 1 TERRACE 32/POOR 973 6 50/FAIR 1326 5 76/GOOD 817 17 STEWART 50/FAIR 634 8 36/FAIR 647 5 16/POOR 83 19 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 0 0 NW 22 SANDSPIT SW 57 SW 52 W 50 PORT HARDY S 12 SW 19 W 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/LM $$$$^^