FPCN39 CWLW 041430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST MONDAY 4 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. 04-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 28/POOR 40 319 44/FAIR 50 379 55/GOOD 21 729 KAMLOOPS 15/POOR 10 463 29/POOR 21 532 42/FAIR 23 646 OKANAGAN 17/POOR 16 550 32/POOR 15 756 46/FAIR 20 856 CASTLEGAR 15/POOR 9 610 26/POOR 8 895 60/GOOD 30 895 CRANBROOK 15/POOR 22 989 39/FAIR 14 1389 60/GOOD 22 1484 REVELSTOKE 33/POOR 12 837 11/POOR 13 469 49/FAIR 19 902 GOLDEN 30/POOR 17 1023 36/FAIR 12 1235 58/GOOD 18 1428 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 20 W 33 CRANBROOK NW 35 NW 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 18/POOR 24 612 31/POOR 36 668 28/POOR 25 695 100 MILE 17/POOR 23 1001 34/FAIR 34 1086 41/FAIR 20 1276 WILLIAMS LAKE 16/POOR 19 1003 23/POOR 34 1018 34/FAIR 20 1190 PUNTZI MTN 23/POOR 21 1040 45/FAIR 26 1205 32/POOR 18 1160 PRINCE GEORGE 18/POOR 24 761 35/FAIR 35 839 30/POOR 19 912 BURNS LAKE 34/FAIR 25 918 18/POOR 27 776 42/FAIR 23 1015 SMITHERS 39/FAIR 25 776 16/POOR 24 579 34/FAIR 17 823 MCBRIDE 16/POOR 12 845 36/FAIR 22 980 40/FAIR 20 1050 CLEARWATER 21/POOR 15 547 27/POOR 20 566 38/FAIR 30 596 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 30 W 41 SMITHERS S 80 SW 76 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 17/POOR 20 455 19/POOR 10 570 20/POOR 15 517 FT ST JOHN 11/POOR 7 748 20/POOR 22 790 88/GOOD 28 1568 WHITEHORSE 48/FAIR 35 943 28/POOR 25 853 12/POOR 20 726 DAWSON 34/FAIR 30 540 11/POOR 26 385 10/POOR 16 381 WATSON LAKE 26/POOR 26 815 10/POOR 7 714 13/POOR 11 754 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 67 SW 89 WATSON LAKE SW 43 SW 46 WHITEHORSE S 80 S 87 MAYO S 52 S 59 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 25/POOR 24 131 36/FAIR 28 202 39/FAIR 42 152 FRASER VALLEY 18/POOR 17 158 14/POOR 18 108 42/FAIR 42 223 SQUAMISH 26/POOR 12 318 41/FAIR 30 273 45/FAIR 30 252 SRN VAN ISLD 23/POOR 19 158 25/POOR 21 169 48/FAIR 50 189 CNTRL VAN ISLD 22/POOR 23 132 27/POOR 20 203 37/FAIR 39 174 NRN VAN ISLD 19/POOR 44 66 29/POOR 40 122 40/FAIR 32 222 TERRACE 11/POOR 5 284 25/POOR 20 367 47/FAIR 15 776 STEWART 10/POOR 5 39 21/POOR 22 107 21/POOR 15 157 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SE 24 SW 22 SW 43 SANDSPIT S 80 S 78 SW 74 PORT HARDY S 133 S 137 S 119 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MMB