FPCN39 CWLW 201430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 20 MARCH 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-March-2001 SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 74/GOOD 19 1153 86/GOOD 16 1685 66/GOOD 11 1532 KAMLOOPS 64/GOOD 22 962 99/GOOD 21 2267 69/GOOD 10 1902 OKANAGAN 72/GOOD 16 1497 99/GOOD 20 2131 75/GOOD 12 1945 CASTLEGAR 25/POOR 13 726 99/GOOD 18 2270 79/GOOD 13 2010 CRANBROOK 29/POOR 19 1148 99/GOOD 26 2634 93/GOOD 18 2452 REVELSTOKE 42/FAIR 13 979 71/GOOD 15 1526 77/GOOD 12 2010 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON W 11 W 31 W 59 CRANBROOK W 15 W 44 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 29/POOR 20 741 99/GOOD 21 2365 99/GOOD 19 2200 100 MILE 43/FAIR 25 1233 99/GOOD 24 2877 75/GOOD 11 2552 WILLIAMS LAKE 27/POOR 15 1168 99/GOOD 25 3325 72/GOOD 9 2777 PUNTZI MTN 26/POOR 26 1037 99/GOOD 30 2987 99/GOOD 18 2848 PRINCE GEORGE 24/POOR 23 812 99/GOOD 28 2340 97/GOOD 26 1847 BURNS LAKE 41/FAIR 19 904 99/GOOD 33 2532 99/GOOD 31 2326 SMITHERS 27/POOR 13 796 97/GOOD 24 1758 99/GOOD 24 2256 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 44 W 57 SMITHERS SW 37 SW 54 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 20/POOR 11 574 57/GOOD 10 1510 72/GOOD 13 1648 FT ST JOHN 38/FAIR 10 1301 46/FAIR 13 1309 57/GOOD 14 1497 WHITEHORSE 56/GOOD 21 1216 80/GOOD 20 1700 89/GOOD 19 2005 DAWSON 12/POOR 10 419 26/POOR 9 735 27/POOR 9 769 WATSON LAKE 72/GOOD 20 1524 69/GOOD 13 1880 74/GOOD 10 2411 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 9 SW 43 WATSON LAKE E 19 SW 35 WHITEHORSE N 37 NE 46 MAYO NE 22 N 30 COAST TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 64/GOOD 17 797 70/GOOD 10 1581 75/GOOD 22 805 FRASER VALLEY 53/FAIR 15 730 64/GOOD 13 1089 72/GOOD 13 1332 SRN VAN ISLD 72/GOOD 20 854 59/GOOD 12 1013 27/POOR 5 727 CNTRL VAN ISLD 40/FAIR 18 379 50/FAIR 8 1147 55/GOOD 11 977 NRN VAN ISLD 49/FAIR 26 366 73/GOOD 21 837 87/GOOD 15 1608 TERRACE 36/FAIR 16 564 99/GOOD 18 2578 89/GOOD 16 1769 STEWART 33/FAIR 6 811 81/GOOD 16 1302 43/FAIR 10 736 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SW 30 W 41 W 52 SANDSPIT SW 48 SW 56 W 59 PORT HARDY W 52 W 50 W 48 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/