FPCN39 CWLW 151330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 15 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. 15-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 10/POOR 7 265 66/GOOD 10 1655 91/GOOD 19 1601 KAMLOOPS 11/POOR 5 427 99/GOOD 14 2998 99/GOOD 26 2297 OKANAGAN 11/POOR 7 513 76/GOOD 8 2729 99/GOOD 23 2356 CASTLEGAR 10/POOR 2 622 64/GOOD 6 2775 89/GOOD 16 2050 CRANBROOK 16/POOR 13 1045 68/GOOD 10 2427 77/GOOD 17 2033 REVELSTOKE 18/POOR 15 551 63/GOOD 7 2325 82/GOOD 15 1869 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SE 20 SE 33 CRANBROOK NE 9 0 0 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 14/POOR 10 631 99/GOOD 15 3115 99/GOOD 27 2187 100 MILE 16/POOR 12 1045 99/GOOD 15 3817 99/GOOD 31 2857 WILLIAMS LAKE 14/POOR 8 1065 99/GOOD 13 3478 99/GOOD 29 2767 PUNTZI MTN 11/POOR 6 964 99/GOOD 21 3241 99/GOOD 29 2112 PRINCE GEORGE 18/POOR 16 798 99/GOOD 19 3688 99/GOOD 23 2339 BURNS LAKE 15/POOR 13 624 99/GOOD 23 3235 95/GOOD 26 1637 SMITHERS 14/POOR 14 586 99/GOOD 18 2513 69/GOOD 21 1248 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE E 31 E 24 SMITHERS SE 39 SE 46 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 23/POOR 12 611 96/GOOD 12 2828 99/GOOD 20 2272 FT ST JOHN 37/FAIR 21 972 99/GOOD 21 2817 99/GOOD 23 2278 WHITEHORSE 11/POOR 6 772 79/GOOD 12 2355 74/GOOD 13 2055 DAWSON 12/POOR 14 409 60/GOOD 10 1570 56/GOOD 10 1470 WATSON LAKE 31/POOR 20 910 93/GOOD 15 2532 79/GOOD 12 2321 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SE 35 SE 31 WATSON LAKE SE 22 SE 24 WHITEHORSE SE 19 SE 24 MAYO S 31 S 37 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 52/FAIR 33 295 60/GOOD 12 1002 68/GOOD 15 1002 FRASER VALLEY 42/FAIR 27 313 66/GOOD 8 1834 74/GOOD 15 1231 SRN VAN ISLD 35/FAIR 18 315 56/GOOD 11 1019 73/GOOD 17 1019 CNTRL VAN ISLD 42/FAIR 22 336 64/GOOD 13 1070 71/GOOD 16 1024 NRN VAN ISLD 31/POOR 27 183 99/GOOD 27 1220 89/GOOD 25 1022 TERRACE 26/POOR 20 382 76/GOOD 10 2060 79/GOOD 15 1529 STEWART 17/POOR 18 91 75/GOOD 18 1007 73/GOOD 17 1007 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SE 33 SE 33 SE 39 SANDSPIT SE 39 SE 46 SE 59 PORT HARDY NE 31 E 28 E 37 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/DSL