FPCN39 CWLW 211430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 21 DECEMBER 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. 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 11/POOR 11 259 24/POOR 19 378 19/POOR 16 343 KAMLOOPS 10/POOR 6 377 17/POOR 9 512 13/POOR 22 375 OKANAGAN 10/POOR 6 484 18/POOR 9 647 24/POOR 23 786 CASTLEGAR 13/POOR 11 563 14/POOR 6 658 25/POOR 13 906 CRANBROOK 15/POOR 21 994 14/POOR 5 1139 18/POOR 7 1170 REVELSTOKE 9/POOR 3 464 15/POOR 6 623 32/POOR 18 693 GOLDEN 10/POOR 7 805 14/POOR 7 916 17/POOR 14 885 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 E 15 0 0 CRANBROOK E 22 N 13 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 20/POOR 24 627 26/POOR 22 696 30/POOR 32 671 100 MILE 16/POOR 16 1016 23/POOR 20 1070 29/POOR 31 1125 WILLIAMS LAKE 15/POOR 13 1026 21/POOR 16 1084 31/POOR 31 1240 PUNTZI MTN 10/POOR 7 930 10/POOR 8 939 13/POOR 29 935 PRINCE GEORGE 20/POOR 24 781 27/POOR 20 867 14/POOR 22 732 BURNS LAKE 14/POOR 14 778 12/POOR 18 747 20/POOR 27 792 SMITHERS 22/POOR 17 673 13/POOR 17 569 11/POOR 23 539 MCBRIDE 12/POOR 12 782 19/POOR 17 845 32/POOR 21 949 CLEARWATER 10/POOR 4 451 22/POOR 16 548 30/POOR 22 588 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE S 24 S 17 SMITHERS S 48 S 56 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 9/POOR 6 392 9/POOR 6 395 9/POOR 22 385 FT ST JOHN 12/POOR 22 717 12/POOR 26 719 10/POOR 8 707 WHITEHORSE 13/POOR 31 726 10/POOR 31 708 16/POOR 32 744 DAWSON 12/POOR 41 385 10/POOR 33 376 13/POOR 39 390 WATSON LAKE 10/POOR 5 733 9/POOR 3 695 10/POOR 21 701 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 65 SW 65 WATSON LAKE SW 48 SW 44 WHITEHORSE S 74 S 91 MAYO S 80 SW 57 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 31/POOR 24 186 26/POOR 17 191 29/POOR 41 151 FRASER VALLEY 18/POOR 15 167 15/POOR 7 221 12/POOR 24 79 SQUAMISH 11/POOR 5 111 17/POOR 8 238 11/POOR 23 66 SRN VAN ISLD 21/POOR 10 243 22/POOR 9 288 32/POOR 43 127 CNTRL VAN ISLD 16/POOR 14 114 29/POOR 13 321 31/POOR 41 133 NRN VAN ISLD 17/POOR 27 75 14/POOR 32 53 10/POOR 56 25 TERRACE 21/POOR 20 332 18/POOR 17 318 11/POOR 20 234 STEWART 31/POOR 20 228 12/POOR 14 42 11/POOR 25 21 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER E 9 0 0 0 0 SANDSPIT S 30 S 30 SW 31 PORT HARDY S 74 SW 67 S 57 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/