FPCN39 CWLW 071330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 7 APRIL 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. 07-April-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 40/FAIR 16 634 99/GOOD 25 2100 78/GOOD 15 1509 KAMLOOPS 53/FAIR 17 930 99/GOOD 12 3223 99/GOOD 27 1698 OKANAGAN 34/FAIR 7 1189 90/GOOD 11 2780 62/GOOD 20 1095 CASTLEGAR 21/POOR 4 1083 74/GOOD 11 2072 42/FAIR 10 1178 CRANBROOK 30/POOR 9 1390 64/GOOD 13 1984 53/FAIR 12 1768 REVELSTOKE 33/POOR 6 1243 54/FAIR 7 1892 41/FAIR 8 1272 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 9 SW 15 CRANBROOK SW 9 SW 24 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 30/POOR 15 826 60/GOOD 12 1545 84/GOOD 15 2010 100 MILE 31/POOR 11 1338 79/GOOD 10 2917 99/GOOD 28 2391 WILLIAMS LAKE 32/POOR 10 1403 66/GOOD 12 2140 98/GOOD 21 2373 PUNTZI MTN 22/POOR 7 1256 78/GOOD 15 2182 90/GOOD 17 2400 PRINCE GEORGE 35/FAIR 18 983 66/GOOD 13 1783 82/GOOD 11 2597 BURNS LAKE 45/FAIR 12 1184 62/GOOD 10 1817 93/GOOD 14 2491 SMITHERS 17/POOR 12 646 64/GOOD 10 1857 85/GOOD 14 2157 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE E 26 SE 20 SMITHERS E 22 NE 15 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 36/FAIR 22 636 76/GOOD 12 1900 56/GOOD 6 2201 FT ST JOHN 67/GOOD 23 1326 70/GOOD 12 2000 46/FAIR 6 2035 WHITEHORSE 25/POOR 15 904 74/GOOD 13 2054 72/GOOD 16 1740 DAWSON 11/POOR 11 410 38/FAIR 9 1031 30/POOR 10 782 WATSON LAKE 40/FAIR 17 1064 45/FAIR 6 1988 63/GOOD 10 2000 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SE 17 S 20 WATSON LAKE SE 28 SE 22 WHITEHORSE 0 0 0 0 MAYO SW 24 S 31 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 3 171 68/GOOD 10 1502 99/GOOD 28 1270 FRASER VALLEY 18/POOR 8 273 82/GOOD 14 1577 82/GOOD 19 1174 SRN VAN ISLD 23/POOR 15 192 60/GOOD 10 1219 72/GOOD 16 1067 CNTRL VAN ISLD 21/POOR 13 191 60/GOOD 10 1224 97/GOOD 25 1215 NRN VAN ISLD 53/FAIR 21 495 72/GOOD 15 1122 99/GOOD 39 900 TERRACE 12/POOR 5 311 48/FAIR 7 1455 68/GOOD 10 1714 STEWART 10/POOR 3 60 22/POOR 7 358 42/FAIR 11 633 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 15 SW 15 W 15 SANDSPIT NW 41 NW 43 NW 39 PORT HARDY NW 44 NW 31 NW 28 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/WJW