FPCN39 CWLW 201430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 20 FEBRUARY 2002 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-February-2002 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 56/GOOD 19 806 81/GOOD 20 1264 51/FAIR 19 726 KAMLOOPS 19/POOR 20 441 52/FAIR 8 1546 41/FAIR 13 857 OKANAGAN 31/POOR 5 1320 49/FAIR 12 1182 52/FAIR 23 872 CASTLEGAR 14/POOR 15 557 46/FAIR 8 1495 27/POOR 20 671 CRANBROOK 18/POOR 22 1017 78/GOOD 16 2145 36/FAIR 26 1146 REVELSTOKE 33/POOR 15 759 41/FAIR 11 1046 20/POOR 18 558 GOLDEN 50/FAIR 18 1286 67/GOOD 15 1746 15/POOR 15 854 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 28 W 43 CRANBROOK W 39 W 41 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 24/POOR 14 753 41/FAIR 21 861 48/FAIR 11 1315 100 MILE 12/POOR 16 971 77/GOOD 12 2501 34/FAIR 12 1353 WILLIAMS LAKE 16/POOR 16 1021 99/GOOD 16 2968 27/POOR 8 1373 PUNTZI MTN 27/POOR 23 1066 99/GOOD 24 2879 40/FAIR 7 1825 PRINCE GEORGE 30/POOR 24 860 93/GOOD 21 1994 46/FAIR 10 1497 BURNS LAKE 24/POOR 21 849 99/GOOD 23 2369 82/GOOD 11 2646 SMITHERS 15/POOR 16 587 91/GOOD 19 1893 59/GOOD 10 1699 MCBRIDE 66/GOOD 18 1522 90/GOOD 18 2148 30/POOR 5 1559 CLEARWATER 17/POOR 17 486 62/GOOD 12 1470 31/POOR 11 800 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 54 W 61 SMITHERS SW 54 SW 69 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 32/POOR 14 717 53/FAIR 20 881 24/POOR 5 956 FT ST JOHN 49/FAIR 48 877 96/GOOD 30 1658 34/FAIR 6 1519 WHITEHORSE 16/POOR 12 813 22/POOR 6 1102 47/FAIR 14 1285 DAWSON 18/POOR 13 505 30/POOR 9 839 21/POOR 8 646 WATSON LAKE 17/POOR 9 857 39/FAIR 15 1106 43/FAIR 12 1287 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 65 W 61 WATSON LAKE W 63 W 57 WHITEHORSE W 30 SW 33 MAYO 0 0 NE 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 13/POOR 12 69 13/POOR 5 135 11/POOR 8 54 FRASER VALLEY 33/POOR 13 424 23/POOR 5 601 12/POOR 17 86 SQUAMISH 26/POOR 9 407 23/POOR 5 595 24/POOR 10 334 SRN VAN ISLD 12/POOR 10 69 26/POOR 8 425 12/POOR 6 97 CNTRL VAN ISLD 15/POOR 13 108 38/FAIR 7 860 13/POOR 5 173 NRN VAN ISLD 15/POOR 16 89 14/POOR 14 85 64/GOOD 31 452 TERRACE 30/POOR 16 476 59/GOOD 14 1055 55/GOOD 11 1171 STEWART 22/POOR 19 140 30/POOR 20 213 35/FAIR 11 484 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SW 17 SW 20 SW 41 SANDSPIT SW 28 SW 33 SW 43 PORT HARDY W 46 SW 48 SW 50 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MtnWC