FPCN39 CWLW 301400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 30 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 10/POOR 1098 13 92/GOOD 1594 6 100/GOOD 1891 8 KAMLOOPS 10/POOR 1251 22 74/GOOD 1561 6 100/GOOD 1986 8 OKANAGAN 10/POOR 1425 17 61/GOOD 1605 5 100/GOOD 2188 4 CASTLEGAR 10/POOR 1332 17 63/GOOD 1988 5 100/GOOD 2326 14 CRANBROOK 10/POOR 1467 18 90/GOOD 2385 9 100/GOOD 2590 13 REVELSTOKE 10/POOR 1244 9 72/GOOD 1791 8 94/GOOD 1585 7 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 17 W 28 CRANBROOK 0 0 W 26 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 10/POOR 1003 17 100/GOOD 1701 12 100/GOOD 2110 18 100 MILE 10/POOR 1781 21 58/GOOD 1944 5 86/GOOD 1773 12 WILLIAMS LK 10/POOR 1655 17 64/GOOD 1900 6 100/GOOD 2389 20 PUNTZI MNT 10/POOR 1588 4 100/GOOD 2278 13 100/GOOD 2318 13 PR. GEORGE 10/POOR 917 10 100/GOOD 1810 18 100/GOOD 2068 19 BURNS LAKE 10/POOR 1022 15 100/GOOD 1903 25 100/GOOD 1827 16 SMITHERS 10/POOR 810 17 100/GOOD 1338 23 100/GOOD 1905 13 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 15 W 35 SMITHERS NW 20 NW 26 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 22/POOR 508 18 100/GOOD 1370 13 100/GOOD 1603 23 FT STJOHN 15/POOR 811 5 100/GOOD 2123 17 86/GOOD 1399 33 WHITEHORSE 89/GOOD 1201 19 100/GOOD 1486 23 100/GOOD 1936 16 DAWSON 30/POOR 740 13 100/GOOD 2072 18 69/GOOD 1763 7 WATSON LAKE 20/POOR 817 12 43/FAIR 1298 5 86/GOOD 2303 3 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NE 19 N 15 WATSON LAKE 0 0 N 15 WHITEHORSE N 15 N 22 MAYO 0 0 N 15 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 18/POOR 124 4 44/FAIR 541 11 76/GOOD 678 8 FRASER VLY 14/POOR 143 3 74/GOOD 1209 11 72/GOOD 789 12 SRN VRISL 21/POOR 140 15 21/POOR 358 2 53/FAIR 705 15 CNTRL VRISL 38/FAIR 287 21 49/FAIR 981 5 90/GOOD 1166 2 NRN VRISL 35/FAIR 308 15 59/GOOD 522 26 100/GOOD 780 39 TERRACE 26/POOR 403 16 100/GOOD 1055 15 100/GOOD 1668 10 STEWART 37/FAIR 292 14 67/GOOD 412 14 71/GOOD 745 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 11 NW 20 W 30 SANDSPIT NW 20 NW 31 NW 44 PORT HARDY W 20 NW 30 NW 37 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^