FPCN39 CWLW 011331 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 1 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. 01-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 49/FAIR 11 1024 72/GOOD 9 2079 82/GOOD 14 1745 KAMLOOPS 29/POOR 5 1133 64/GOOD 7 2265 95/GOOD 18 1922 OKANAGAN 53/FAIR 10 1464 90/GOOD 13 2437 74/GOOD 13 1787 CASTLEGAR 40/FAIR 8 1311 73/GOOD 10 2195 99/GOOD 13 3034 CRANBROOK 29/POOR 15 1204 94/GOOD 15 2817 99/GOOD 24 2625 REVELSTOKE 45/FAIR 13 1033 49/FAIR 7 1715 85/GOOD 15 1974 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON W 13 W 24 NW 43 CRANBROOK W 15 W 41 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 51/FAIR 10 1469 61/GOOD 5 3045 99/GOOD 24 2961 100 MILE 61/GOOD 10 2176 97/GOOD 12 3440 99/GOOD 26 3235 WILLIAMS LAKE 54/FAIR 10 1962 68/GOOD 6 3440 99/GOOD 25 3141 PUNTZI MTN 44/FAIR 10 1649 61/GOOD 5 3410 99/GOOD 25 2707 PRINCE GEORGE 51/FAIR 9 1745 53/FAIR 4 3191 99/GOOD 24 3265 BURNS LAKE 50/FAIR 12 1308 53/FAIR 4 3045 92/GOOD 11 2953 SMITHERS 22/POOR 12 720 22/POOR 1 3023 79/GOOD 8 2958 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 31 W 24 SMITHERS 0 0 W 22 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 13/POOR 10 462 50/FAIR 8 1535 45/FAIR 9 1254 FT ST JOHN 26/POOR 10 1021 71/GOOD 8 2695 99/GOOD 16 2752 WHITEHORSE 19/POOR 10 898 46/FAIR 10 1503 79/GOOD 23 1551 DAWSON 39/FAIR 10 988 36/FAIR 12 834 40/FAIR 15 808 WATSON LAKE 22/POOR 10 941 53/FAIR 10 1690 75/GOOD 13 2070 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 17 W 28 WATSON LAKE W 31 W 20 WHITEHORSE NW 19 W 15 MAYO NW 20 W 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 62/GOOD 15 852 77/GOOD 17 1102 94/GOOD 28 1007 FRASER VALLEY 73/GOOD 18 1003 84/GOOD 15 1530 79/GOOD 12 1698 SRN VAN ISLD 51/FAIR 15 653 55/GOOD 11 965 62/GOOD 20 654 CNTRL VAN ISLD 46/FAIR 12 701 74/GOOD 15 1173 99/GOOD 22 1579 NRN VAN ISLD 41/FAIR 15 475 63/GOOD 16 837 99/GOOD 33 1039 TERRACE 52/FAIR 14 904 64/GOOD 12 1341 59/GOOD 6 2211 STEWART 22/POOR 5 495 60/GOOD 12 1007 15/POOR 4 297 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NW 33 NW 39 W 39 SANDSPIT W 30 W 35 W 39 PORT HARDY W 33 W 31 W 31 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MtnWC