FPCN39 CWLW 201330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 20 OCTOBER 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. 20-October-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 16/POOR 11 341 44/FAIR 7 1309 49/FAIR 13 899 KAMLOOPS 47/FAIR 19 780 50/FAIR 5 2146 78/GOOD 15 1621 OKANAGAN 48/FAIR 17 954 39/FAIR 4 2036 70/GOOD 10 2036 CASTLEGAR 12/POOR 9 549 51/FAIR 8 1682 40/FAIR 5 1795 CRANBROOK 14/POOR 14 999 85/GOOD 15 2439 36/FAIR 8 1639 REVELSTOKE 18/POOR 14 566 47/FAIR 8 1492 38/FAIR 7 1308 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 0 W 44 W 43 CRANBROOK 0 NW 22 W 43 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 16/POOR 17 618 68/GOOD 11 1906 49/FAIR 25 895 100 MILE 37/FAIR 21 1208 42/FAIR 5 2339 49/FAIR 26 1279 WILLIAMS LAKE 25/POOR 19 1099 58/GOOD 8 2391 23/POOR 23 1060 PUNTZI MTN 38/FAIR 18 1238 54/FAIR 7 2363 72/GOOD 24 1603 PRINCE GEORGE 22/POOR 21 804 70/GOOD 13 1911 23/POOR 26 792 BURNS LAKE 32/POOR 25 902 63/GOOD 13 1738 25/POOR 20 865 SMITHERS 29/POOR 16 772 41/FAIR 11 1143 24/POOR 17 695 MCBRIDE 42/FAIR 15 1195 53/FAIR 10 1716 54/FAIR 15 1417 CLEARWATER 41/FAIR 18 773 47/FAIR 7 1578 55/GOOD 15 1107 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 W 43 W 37 SMITHERS 0 W 52 W 50 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 31/POOR 13 715 28/POOR 2 2182 24/POOR 18 543 FT ST JOHN 58/GOOD 29 1088 72/GOOD 10 2358 79/GOOD 22 1581 WHITEHORSE 19/POOR 21 789 50/FAIR 22 1112 17/POOR 17 791 DAWSON 42/FAIR 22 688 16/POOR 21 434 16/POOR 33 408 WATSON LAKE 13/POOR 18 733 50/FAIR 13 1396 33/POOR 20 926 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 SW 48 W 52 WATSON LAKE 0 W 35 W 48 WHITEHORSE 0 SW 46 SW 56 MAYO 0 S 17 SW 28 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 22/POOR 17 148 29/POOR 7 569 60/GOOD 24 512 FRASER VALLEY 23/POOR 11 304 18/POOR 2 848 40/FAIR 11 645 SRN VAN ISLD 21/POOR 19 141 27/POOR 6 589 43/FAIR 22 347 CNTRL VAN ISLD 34/FAIR 24 229 30/POOR 6 724 42/FAIR 25 301 NRN VAN ISLD 17/POOR 12 151 51/FAIR 19 522 11/POOR 21 37 TERRACE 18/POOR 17 310 33/POOR 12 617 22/POOR 17 367 STEWART 18/POOR 17 107 34/FAIR 13 387 23/POOR 18 152 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NW 22 NW 37 NW 63 SANDSPIT W 15 NW 19 W 61 PORT HARDY W 26 W 31 W 44 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/