FPCN39 CWLW 201330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 20 MAY 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. 20-May-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 66/GOOD 15 1181 59/GOOD 7 1901 67/GOOD 9 1844 KAMLOOPS 91/GOOD 22 1524 86/GOOD 11 2453 68/GOOD 8 2213 OKANAGAN 93/GOOD 20 1827 94/GOOD 13 2613 76/GOOD 10 2289 CASTLEGAR 86/GOOD 19 1709 99/GOOD 12 3285 73/GOOD 10 2179 CRANBROOK 85/GOOD 22 1969 99/GOOD 15 3562 80/GOOD 12 2634 REVELSTOKE 64/GOOD 14 1398 87/GOOD 11 2633 69/GOOD 11 1831 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 N 35 N 30 CRANBROOK NW 41 N 54 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 90/GOOD 22 1701 72/GOOD 8 2592 83/GOOD 12 2338 100 MILE 92/GOOD 22 2166 76/GOOD 10 2771 64/GOOD 8 2620 WILLIAMS LAKE 82/GOOD 21 1938 64/GOOD 7 2868 79/GOOD 11 2719 PUNTZI MTN 64/GOOD 17 1714 86/GOOD 14 2578 90/GOOD 16 2496 PRINCE GEORGE 81/GOOD 23 1588 92/GOOD 14 2620 73/GOOD 14 1915 BURNS LAKE 66/GOOD 21 1226 97/GOOD 16 2397 65/GOOD 18 1318 SMITHERS 56/GOOD 15 1251 86/GOOD 13 2330 58/GOOD 16 1248 MCBRIDE 76/GOOD 13 2148 83/GOOD 13 2417 65/GOOD 12 1873 CLEARWATER 76/GOOD 20 1310 81/GOOD 11 2291 80/GOOD 12 2062 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 33 W 26 SMITHERS N 19 NW 22 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 39/FAIR 21 675 99/GOOD 15 2886 99/GOOD 18 2673 FT ST JOHN 73/GOOD 28 1301 99/GOOD 20 3530 99/GOOD 32 2525 WHITEHORSE 45/FAIR 23 1034 99/GOOD 22 2656 99/GOOD 25 2289 DAWSON 18/POOR 12 503 99/GOOD 11 3540 91/GOOD 11 2729 WATSON LAKE 68/GOOD 26 1273 96/GOOD 13 2922 99/GOOD 23 2582 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 35 W 31 WATSON LAKE NW 19 NW 24 WHITEHORSE 0 0 0 0 MAYO W 11 NW 20 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 30/POOR 13 316 56/GOOD 9 1202 21/POOR 8 288 FRASER VALLEY 30/POOR 11 435 57/GOOD 10 1179 42/FAIR 8 933 SRN VAN ISLD 46/FAIR 23 368 60/GOOD 10 1219 18/POOR 6 287 CNTRL VAN ISLD 60/GOOD 26 486 60/GOOD 10 1224 17/POOR 2 737 NRN VAN ISLD 37/FAIR 17 366 50/FAIR 10 932 28/POOR 9 432 TERRACE 13/POOR 2 563 67/GOOD 11 1536 46/FAIR 17 694 STEWART 24/POOR 6 495 45/FAIR 11 706 16/POOR 12 114 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 N 15 NW 43 SANDSPIT N 19 N 22 NW 50 PORT HARDY SE 15 S 9 W 28 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/DSL