FPCN39 CWLW 081330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 8 APRIL 2001 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF LOCAL MOUNTAINS OR HILLS. 08-April-2001 SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 35/FAIR 21 479 78/GOOD 19 1229 84/GOOD 15 1702 KAMLOOPS 44/FAIR 24 656 77/GOOD 24 1130 99/GOOD 23 1899 OKANAGAN 32/POOR 11 873 50/FAIR 19 941 91/GOOD 17 1982 CASTLEGAR 41/FAIR 20 825 41/FAIR 10 1161 66/GOOD 14 1500 CRANBROOK 21/POOR 25 1029 37/FAIR 9 1575 75/GOOD 17 1977 REVELSTOKE 15/POOR 6 637 43/FAIR 12 1043 64/GOOD 12 1562 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON NW 11 N 19 N 37 CRANBROOK E 30 E 78 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 21/POOR 18 669 87/GOOD 18 1873 96/GOOD 19 2072 100 MILE 37/FAIR 24 1182 99/GOOD 30 2418 99/GOOD 28 2466 WILLIAMS LAKE 29/POOR 23 1110 99/GOOD 25 2344 99/GOOD 22 2714 PUNTZI MTN 28/POOR 16 1148 86/GOOD 17 2269 98/GOOD 17 2694 PRINCE GEORGE 14/POOR 5 862 75/GOOD 10 2482 99/GOOD 20 2730 BURNS LAKE 14/POOR 6 706 80/GOOD 10 2551 99/GOOD 20 2636 SMITHERS 12/POOR 5 632 74/GOOD 10 2268 84/GOOD 15 1999 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 13 W 15 SMITHERS NW 19 W 13 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 13/POOR 6 488 98/GOOD 13 2703 99/GOOD 22 2236 FT ST JOHN 22/POOR 11 916 71/GOOD 15 1767 91/GOOD 20 2009 WHITEHORSE 36/FAIR 23 945 71/GOOD 17 1655 62/GOOD 10 1989 DAWSON 20/POOR 16 493 29/POOR 8 854 40/FAIR 13 870 WATSON LAKE 14/POOR 10 782 92/GOOD 15 2471 99/GOOD 19 2435 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE NW 11 W 11 WATSON LAKE W 13 W 17 WHITEHORSE SW 31 W 30 MAYO SW 22 W 28 COAST TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 34/FAIR 12 417 78/GOOD 44 439 78/GOOD 16 1202 FRASER VALLEY 13/POOR 6 192 75/GOOD 20 958 86/GOOD 19 1279 SRN VAN ISLD 49/FAIR 15 597 59/GOOD 22 552 84/GOOD 20 1119 CNTRL VAN ISLD 51/FAIR 18 551 95/GOOD 28 1049 67/GOOD 13 1139 NRN VAN ISLD 64/GOOD 25 556 99/GOOD 39 863 95/GOOD 26 1110 TERRACE 12/POOR 5 323 77/GOOD 11 1906 60/GOOD 10 1422 STEWART 10/POOR 4 55 51/FAIR 14 674 28/POOR 10 372 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NW 19 N 15 N 17 SANDSPIT N 35 N 26 NE 11 PORT HARDY N 41 N 30 N 37 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/WJW