FPCN39 CWLW 031400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 3 AUGUST 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 100/GOOD 931 14 100/GOOD 2212 11 100/GOOD 2166 6 KAMLOOPS 52/FAIR 683 19 100/GOOD 2083 9 100/GOOD 2191 12 OKANAGAN 50/FAIR 725 18 100/GOOD 1696 12 81/GOOD 2189 7 CASTLEGAR 27/POOR 698 11 100/GOOD 3146 6 100/GOOD 3262 7 CRANBROOK 45/FAIR 824 20 100/GOOD 3791 13 100/GOOD 3711 2 REVELSTOKE 54/FAIR 956 9 74/GOOD 1665 8 55/GOOD 2167 6 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 13 W 20 CRANBROOK NW 9 W 28 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 34/FAIR 754 18 100/GOOD 2068 21 100/GOOD 2016 10 100 MILE 67/GOOD 1386 20 100/GOOD 3001 19 100/GOOD 2561 16 WILLIAMS LK 68/GOOD 1343 22 100/GOOD 2883 20 100/GOOD 2455 12 PUNTZI MNT 89/GOOD 1523 19 100/GOOD 2612 17 70/GOOD 2502 4 PR. GEORGE 23/POOR 840 15 100/GOOD 2199 15 91/GOOD 2261 8 BURNS LAKE 35/FAIR 975 16 100/GOOD 2212 9 100/GOOD 2090 15 SMITHERS 31/POOR 747 15 93/GOOD 1916 8 100/GOOD 1719 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 20 NW 15 SMITHERS NW 9 0 0 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 41/FAIR 606 24 100/GOOD 2000 10 62/GOOD 1688 5 FT STJOHN 100/GOOD 1456 25 100/GOOD 2640 14 100/GOOD 2127 9 WHITEHORSE 100/GOOD 1225 22 100/GOOD 1851 17 100/GOOD 2129 14 DAWSON 100/GOOD 1182 15 100/GOOD 2111 18 100/GOOD 2479 15 WATSON LAKE 18/POOR 767 22 72/GOOD 1483 8 100/GOOD 1907 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE N 20 N 13 WATSON LAKE N 26 NW 19 WHITEHORSE NW 13 N 9 MAYO N 9 NW 13 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 24/POOR 212 6 42/FAIR 380 31 37/FAIR 330 26 FRASER VLY 16/POOR 260 2 81/GOOD 1045 13 80/GOOD 1182 13 SRN VRISL 25/POOR 167 19 33/POOR 364 8 32/POOR 338 7 CNTRL VRISL 37/FAIR 285 20 59/GOOD 644 17 50/FAIR 582 14 NRN VRISL 40/FAIR 262 23 36/FAIR 216 27 49/FAIR 352 27 TERRACE 29/POOR 448 13 53/FAIR 602 7 100/GOOD 1433 11 STEWART 18/POOR 114 11 39/FAIR 540 12 69/GOOD 479 15 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 W 17 W 22 SANDSPIT 0 0 0 0 NW 13 PORT HARDY NW 27 NW 19 W 20 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MNTWC $$$$^^