FPCN39 CWLW 121330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 12 JULY 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. 12-July-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 19/POOR 4 686 99/GOOD 15 2339 76/GOOD 14 1538 KAMLOOPS 24/POOR 8 707 78/GOOD 9 2465 99/GOOD 18 2126 OKANAGAN 26/POOR 9 828 75/GOOD 7 3005 99/GOOD 14 2770 CASTLEGAR 16/POOR 9 635 65/GOOD 6 2814 99/GOOD 14 2800 CRANBROOK 17/POOR 8 1113 99/GOOD 13 3306 99/GOOD 21 3150 REVELSTOKE 20/POOR 13 608 80/GOOD 8 2975 50/FAIR 7 1733 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 E 11 SW 19 CRANBROOK 0 0 S 9 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 15 738 65/GOOD 6 2834 66/GOOD 8 2335 100 MILE 17/POOR 7 1154 69/GOOD 7 3119 74/GOOD 10 2673 WILLIAMS LAKE 22/POOR 11 1164 60/GOOD 6 2948 71/GOOD 9 2729 PUNTZI MTN 31/POOR 14 1221 81/GOOD 9 3191 97/GOOD 15 2903 PRINCE GEORGE 16/POOR 13 787 57/GOOD 6 2573 60/GOOD 10 1889 BURNS LAKE 17/POOR 17 636 96/GOOD 14 2607 47/FAIR 12 1226 SMITHERS 20/POOR 18 642 93/GOOD 14 2467 35/FAIR 9 1095 MCBRIDE 36/FAIR 18 1041 74/GOOD 7 3232 53/FAIR 8 1980 CLEARWATER 21/POOR 13 573 78/GOOD 8 2771 43/FAIR 6 1604 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 0 SW 13 SMITHERS S 24 S 30 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 35/FAIR 26 587 77/GOOD 9 2481 40/FAIR 4 2007 FT ST JOHN 22/POOR 15 861 75/GOOD 9 2668 53/FAIR 9 1799 WHITEHORSE 52/FAIR 16 1300 83/GOOD 13 2352 52/FAIR 13 1451 DAWSON 11/POOR 4 467 66/GOOD 5 3212 80/GOOD 10 2376 WATSON LAKE 46/FAIR 21 1070 72/GOOD 9 2553 73/GOOD 14 1914 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 9 SW 19 WATSON LAKE NW 20 SW 19 WHITEHORSE SW 22 S 22 MAYO 0 0 SW 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 12/POOR 4 154 32/POOR 12 377 25/POOR 8 395 FRASER VALLEY 12/POOR 6 145 46/FAIR 10 861 47/FAIR 9 983 SRN VAN ISLD 17/POOR 16 114 19/POOR 6 328 32/POOR 17 295 CNTRL VAN ISLD 28/POOR 19 223 24/POOR 3 971 25/POOR 3 1048 NRN VAN ISLD 48/FAIR 26 352 77/GOOD 24 795 34/FAIR 10 515 TERRACE 14/POOR 10 310 67/GOOD 10 1675 19/POOR 9 432 STEWART 13/POOR 13 60 35/FAIR 11 476 18/POOR 7 245 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 SW 9 SW 19 SANDSPIT N 26 0 0 S 9 PORT HARDY S 17 S 17 S 24 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/