FPCN39 CWLW 131430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 13 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. 13-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 14/POOR 15 289 22/POOR 19 359 29/POOR 16 468 KAMLOOPS 12/POOR 15 380 23/POOR 22 470 32/POOR 22 558 OKANAGAN 13/POOR 27 480 26/POOR 27 579 44/FAIR 23 781 CASTLEGAR 19/POOR 20 592 36/FAIR 23 733 33/POOR 22 709 CRANBROOK 21/POOR 12 1127 37/FAIR 23 1185 33/POOR 27 1113 REVELSTOKE 17/POOR 12 563 37/FAIR 20 726 27/POOR 19 626 GOLDEN 22/POOR 15 952 32/POOR 17 1050 38/FAIR 21 1067 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 61 W 81 CRANBROOK SW 39 W 59 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 12/POOR 18 579 31/POOR 22 747 18/POOR 11 693 100 MILE 23/POOR 22 1057 27/POOR 26 1072 51/FAIR 21 1383 WILLIAMS LAKE 14/POOR 25 980 24/POOR 30 1039 19/POOR 14 1076 PUNTZI MTN 11/POOR 14 935 13/POOR 22 942 62/GOOD 21 1524 PRINCE GEORGE 10/POOR 12 712 29/POOR 25 852 24/POOR 14 898 BURNS LAKE 15/POOR 17 785 32/POOR 22 922 40/FAIR 18 1070 SMITHERS 10/POOR 6 559 30/POOR 19 745 48/FAIR 16 1053 MCBRIDE 19/POOR 12 886 40/FAIR 16 1139 28/POOR 16 965 CLEARWATER 23/POOR 17 550 33/POOR 18 664 29/POOR 20 594 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 22 SW 26 SMITHERS SW 35 SW 41 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 10 391 11/POOR 21 399 22/POOR 16 540 FT ST JOHN 10/POOR 10 712 13/POOR 21 734 14/POOR 15 752 WHITEHORSE 10/POOR 9 721 13/POOR 23 732 21/POOR 11 905 DAWSON 9/POOR 3 384 13/POOR 23 399 12/POOR 15 405 WATSON LAKE 9/POOR 4 700 12/POOR 11 740 11/POOR 12 716 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 15 SW 30 WATSON LAKE SW 17 W 22 WHITEHORSE SW 56 SW 31 MAYO SW 17 SW 20 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 28 18 37/FAIR 30 192 66/GOOD 32 449 FRASER VALLEY 11/POOR 24 72 28/POOR 31 178 55/GOOD 29 427 SQUAMISH 11/POOR 16 71 26/POOR 19 223 17/POOR 14 161 SRN VAN ISLD 11/POOR 31 31 42/FAIR 38 202 58/GOOD 23 522 CNTRL VAN ISLD 13/POOR 23 55 45/FAIR 31 272 62/GOOD 24 556 NRN VAN ISLD 10/POOR 15 32 32/POOR 26 194 38/FAIR 27 243 TERRACE 12/POOR 12 267 25/POOR 18 388 38/FAIR 24 467 STEWART 21/POOR 15 156 62/GOOD 30 430 30/POOR 18 233 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 46 W 52 W 56 SANDSPIT W 35 W 41 W 39 PORT HARDY W 20 W 31 W 50 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/