FPCN39 CWLW 231331 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 23 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. 23-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 19/POOR 19 326 97/GOOD 12 2729 44/FAIR 4 2092 KAMLOOPS 22/POOR 13 534 91/GOOD 9 3246 78/GOOD 11 2101 OKANAGAN 20/POOR 15 590 99/GOOD 13 3466 77/GOOD 11 2162 CASTLEGAR 11/POOR 8 538 99/GOOD 12 3295 86/GOOD 11 2613 CRANBROOK 11/POOR 6 1006 99/GOOD 13 3539 99/GOOD 19 2912 REVELSTOKE 22/POOR 14 625 78/GOOD 8 2843 30/POOR 5 1290 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 26 SW 28 CRANBROOK W 17 W 30 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 22/POOR 11 772 84/GOOD 14 2125 69/GOOD 8 2450 100 MILE 15/POOR 10 1046 46/FAIR 5 2540 78/GOOD 12 2528 WILLIAMS LAKE 17/POOR 9 1311 60/GOOD 4 2740 58/GOOD 7 2593 PUNTZI MTN 13/POOR 8 1001 85/GOOD 16 2325 67/GOOD 8 2731 PRINCE GEORGE 14/POOR 7 812 57/GOOD 7 2298 81/GOOD 11 2558 BURNS LAKE 49/FAIR 14 1172 73/GOOD 9 2430 81/GOOD 11 2425 SMITHERS 38/FAIR 7 1385 76/GOOD 10 2373 75/GOOD 10 2295 MCBRIDE 16/POOR 11 849 86/GOOD 16 2170 56/GOOD 8 2079 CLEARWATER 14/POOR 10 491 62/GOOD 8 1996 78/GOOD 12 2017 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 24 SW 57 SMITHERS SW 11 SW 39 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 42/FAIR 32 603 99/GOOD 15 2550 99/GOOD 14 2799 FT ST JOHN 86/GOOD 20 1851 92/GOOD 9 3667 99/GOOD 11 3552 WHITEHORSE 85/GOOD 20 1853 99/GOOD 29 3203 97/GOOD 22 2043 DAWSON 88/GOOD 20 1583 99/GOOD 21 3107 62/GOOD 7 2220 WATSON LAKE 87/GOOD 25 1644 99/GOOD 19 3093 99/GOOD 22 3167 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 31 W 35 WATSON LAKE W 50 W 24 WHITEHORSE SW 48 SW 57 MAYO SW 35 SW 11 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 11/POOR 7 42 63/GOOD 22 602 41/FAIR 21 325 FRASER VALLEY 12/POOR 7 145 46/FAIR 9 958 53/FAIR 12 880 SRN VAN ISLD 13/POOR 18 59 39/FAIR 10 629 18/POOR 6 302 CNTRL VAN ISLD 21/POOR 23 125 56/GOOD 16 694 52/FAIR 14 709 NRN VAN ISLD 34/FAIR 18 299 55/GOOD 21 522 77/GOOD 34 580 TERRACE 34/FAIR 6 1070 52/FAIR 6 1834 57/GOOD 7 1800 STEWART 31/POOR 6 727 44/FAIR 5 1507 30/POOR 5 822 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 9 SW 17 SW 28 SANDSPIT N 13 SW 31 SW 65 PORT HARDY NW 11 W 19 SW 39 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/