FPCN39 CWLW 231430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 23 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. 23-December-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 10/POOR 9 251 21/POOR 16 369 17/POOR 14 337 KAMLOOPS 14/POOR 13 412 27/POOR 14 598 24/POOR 16 520 OKANAGAN 17/POOR 15 556 31/POOR 18 695 33/POOR 20 711 CASTLEGAR 12/POOR 9 546 18/POOR 7 731 18/POOR 9 680 CRANBROOK 13/POOR 20 976 16/POOR 8 1090 15/POOR 8 1071 REVELSTOKE 13/POOR 9 526 27/POOR 15 676 27/POOR 15 669 GOLDEN 10/POOR 5 804 11/POOR 5 848 10/POOR 4 834 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 30 SW 24 CRANBROOK W 15 W 26 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 31/POOR 30 692 37/FAIR 32 726 22/POOR 35 613 100 MILE 31/POOR 25 1111 41/FAIR 28 1181 39/FAIR 31 1140 WILLIAMS LAKE 21/POOR 26 1030 38/FAIR 30 1140 36/FAIR 31 1120 PUNTZI MTN 10/POOR 10 936 16/POOR 19 978 10/POOR 20 923 PRINCE GEORGE 17/POOR 27 744 14/POOR 28 722 26/POOR 33 791 BURNS LAKE 19/POOR 19 810 14/POOR 30 745 12/POOR 29 733 SMITHERS 22/POOR 19 652 14/POOR 28 556 10/POOR 23 532 MCBRIDE 20/POOR 18 847 22/POOR 22 841 20/POOR 23 820 CLEARWATER 23/POOR 16 565 32/POOR 17 663 30/POOR 18 627 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 41 SW 35 SMITHERS SW 72 SW 61 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 10/POOR 11 394 10/POOR 20 392 11/POOR 33 392 FT ST JOHN 14/POOR 31 723 12/POOR 24 718 10/POOR 25 703 WHITEHORSE 20/POOR 20 803 42/FAIR 35 903 11/POOR 30 712 DAWSON 12/POOR 20 393 11/POOR 30 383 13/POOR 3 624 WATSON LAKE 11/POOR 7 750 11/POOR 28 704 10/POOR 29 695 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 52 SW 50 WATSON LAKE W 50 SW 54 WHITEHORSE SW 30 SW 65 MAYO W 39 SW 50 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 32/POOR 32 148 30/POOR 28 152 30/POOR 27 152 FRASER VALLEY 21/POOR 21 168 18/POOR 12 197 21/POOR 15 208 SQUAMISH 25/POOR 30 152 40/FAIR 30 267 32/POOR 30 202 SRN VAN ISLD 34/FAIR 26 215 30/POOR 21 219 25/POOR 21 169 CNTRL VAN ISLD 33/POOR 28 196 33/POOR 22 246 30/POOR 23 201 NRN VAN ISLD 18/POOR 45 58 34/FAIR 51 122 28/POOR 37 122 TERRACE 16/POOR 30 257 14/POOR 25 257 20/POOR 25 297 STEWART 27/POOR 40 93 28/POOR 40 97 26/POOR 40 87 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 31 S 31 S 35 SANDSPIT S 69 S 70 S 46 PORT HARDY S 87 S 85 S 78 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/KAL/MtnWC