FPCN39 CWLW 241400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 24 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 26/POOR 408 16 100/GOOD 1653 16 100/GOOD 1156 16 KAMLOOPS 31/POOR 554 17 100/GOOD 2133 19 100/GOOD 1566 23 OKANAGAN 24/POOR 571 18 100/GOOD 1936 14 100/GOOD 1893 13 CASTLEGAR 12/POOR 523 6 100/GOOD 1863 14 100/GOOD 2476 16 CRANBROOK 13/POOR 980 4 100/GOOD 2953 16 100/GOOD 3146 21 REVELSTOKE 17/POOR 548 10 100/GOOD 2060 12 100/GOOD 1880 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 17 SW 24 CRANBROOK SW 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 16/POOR 734 1 100/GOOD 1548 12 100/GOOD 1824 16 100 MILE 18/POOR 1079 6 100/GOOD 2879 10 100/GOOD 2191 19 WILLIAMS LK 15/POOR 1111 3 100/GOOD 2288 1 79/GOOD 1557 10 PUNTZI MNT 16/POOR 991 14 100/GOOD 2307 20 100/GOOD 2468 22 PR. GEORGE 37/FAIR 1147 10 100/GOOD 1728 19 99/GOOD 1360 13 BURNS LAKE 14/POOR 806 6 57/GOOD 1260 12 100/GOOD 1863 26 SMITHERS 32/POOR 913 8 59/GOOD 1383 3 100/GOOD 1608 22 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 48 W 48 SMITHERS W 41 SW 63 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 21/POOR 498 18 87/GOOD 1638 13 36/FAIR 678 3 FT STJOHN 29/POOR 899 17 100/GOOD 2512 7 100/GOOD 2333 25 WHITEHORSE 17/POOR 984 4 100/GOOD 1843 14 39/FAIR 1031 15 DAWSON 14/POOR 422 13 100/GOOD 1918 12 100/GOOD 1464 11 WATSON LAKE 18/POOR 803 14 100/GOOD 2156 16 36/FAIR 1702 4 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 33 W 41 WATSON LAKE W 46 W 37 WHITEHORSE W 24 NW 22 MAYO 0 0 0 0 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 20/POOR 144 19 50/FAIR 356 13 30/POOR 321 13 FRASER VLY 19/POOR 152 18 74/GOOD 880 9 39/FAIR 552 8 SRN VRISL 24/POOR 167 23 50/FAIR 250 9 29/POOR 216 12 CNTRL VRISL 20/POOR 151 13 70/GOOD 775 8 67/GOOD 695 9 NRN VRISL 13/POOR 74 2 67/GOOD 520 19 38/FAIR 296 18 TERRACE 18/POOR 382 6 75/GOOD 1022 9 60/GOOD 644 14 STEWART 16/POOR 136 10 70/GOOD 635 5 55/GOOD 427 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 SW 13 SW 24 SANDSPIT W 9. W 24 W 37 PORT HARDY S 12 SW 24 SW 31 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^