FPCN39 CWLW 011330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 1 MAY 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-May-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 82/GOOD 18 1401 88/GOOD 17 1672 55/GOOD 6 1991 KAMLOOPS 99/GOOD 23 1843 99/GOOD 24 2331 80/GOOD 10 2343 OKANAGAN 93/GOOD 20 1836 99/GOOD 27 2119 90/GOOD 12 2592 CASTLEGAR 80/GOOD 17 1684 92/GOOD 17 2084 93/GOOD 13 2595 CRANBROOK 87/GOOD 25 1896 99/GOOD 20 3252 99/GOOD 21 3382 REVELSTOKE 62/GOOD 15 1302 70/GOOD 13 1655 77/GOOD 10 2302 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON W 9 W 39 W 54 CRANBROOK W 28 W 39 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 82/GOOD 24 1438 99/GOOD 24 2657 83/GOOD 11 2495 100 MILE 91/GOOD 23 2085 99/GOOD 26 2902 67/GOOD 8 2762 WILLIAMS LAKE 70/GOOD 23 1627 99/GOOD 24 3126 67/GOOD 8 2779 PUNTZI MTN 52/FAIR 28 1255 99/GOOD 31 3240 79/GOOD 13 2430 PRINCE GEORGE 96/GOOD 27 1767 99/GOOD 28 3027 94/GOOD 14 2673 BURNS LAKE 99/GOOD 24 2080 99/GOOD 29 2831 99/GOOD 20 2083 SMITHERS 84/GOOD 23 1480 99/GOOD 24 2437 75/GOOD 16 1645 MCBRIDE 56/GOOD 17 1364 80/GOOD 16 1977 55/GOOD 7 2235 CLEARWATER 80/GOOD 19 1454 91/GOOD 19 1759 68/GOOD 8 2265 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 41 NW 46 SMITHERS W 48 NW 44 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 23/POOR 11 617 99/GOOD 12 3540 99/GOOD 25 2541 FT ST JOHN 94/GOOD 32 1573 99/GOOD 20 3831 99/GOOD 25 2772 WHITEHORSE 50/FAIR 20 1155 99/GOOD 32 2993 99/GOOD 34 1717 DAWSON 24/POOR 20 510 99/GOOD 31 2956 99/GOOD 29 2440 WATSON LAKE 20/POOR 13 846 99/GOOD 26 3409 99/GOOD 20 2289 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 35 W 41 WATSON LAKE W 31 W 31 WHITEHORSE SW 46 W 57 MAYO SW 30 SW 33 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 91/GOOD 30 879 74/GOOD 29 601 34/FAIR 7 736 FRASER VALLEY 66/GOOD 21 735 66/GOOD 19 807 65/GOOD 10 1458 SRN VAN ISLD 82/GOOD 27 796 92/GOOD 31 889 15/POOR 2 529 CNTRL VAN ISLD 70/GOOD 24 673 85/GOOD 25 927 22/POOR 2 1291 NRN VAN ISLD 62/GOOD 28 484 79/GOOD 29 709 72/GOOD 14 1198 TERRACE 63/GOOD 13 1227 62/GOOD 14 1135 63/GOOD 15 1101 STEWART 26/POOR 9 368 41/FAIR 12 561 27/POOR 19 192 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 37 W 43 NW 43 SANDSPIT NW 41 NW 43 NW 46 PORT HARDY W 31 NW 41 NW 41 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/CC/MTNWC