FPCN39 CWLW 171330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 17 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. 17-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 60/GOOD 14 1089 76/GOOD 16 1367 83/GOOD 22 1216 KAMLOOPS 74/GOOD 16 1442 99/GOOD 20 2015 99/GOOD 29 1836 OKANAGAN 54/FAIR 10 1480 84/GOOD 16 1847 99/GOOD 25 2040 CASTLEGAR 38/FAIR 10 1101 79/GOOD 12 2132 99/GOOD 20 2085 CRANBROOK 54/GOOD 15 1632 99/GOOD 20 2599 99/GOOD 26 2592 REVELSTOKE 56/GOOD 9 1665 70/GOOD 12 1753 72/GOOD 19 1314 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 20 W 39 CRANBROOK W 26 W 33 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 71/GOOD 16 1544 88/GOOD 17 1973 75/GOOD 16 1650 100 MILE 80/GOOD 18 2065 92/GOOD 15 2719 86/GOOD 19 2173 WILLIAMS LAKE 74/GOOD 16 2036 59/GOOD 7 2608 56/GOOD 11 1916 PUNTZI MTN 87/GOOD 18 2222 99/GOOD 25 2512 96/GOOD 24 2120 PRINCE GEORGE 50/FAIR 14 1336 90/GOOD 20 1972 99/GOOD 22 2718 BURNS LAKE 69/GOOD 21 1276 89/GOOD 21 1733 99/GOOD 23 2635 SMITHERS 50/FAIR 14 1169 67/GOOD 14 1575 99/GOOD 16 2930 MCBRIDE 42/FAIR 11 1362 61/GOOD 14 1619 71/GOOD 21 1496 CLEARWATER 65/GOOD 13 1462 73/GOOD 14 1611 74/GOOD 19 1318 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 33 SW 39 SMITHERS SW 46 SW 59 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 28/POOR 25 533 99/GOOD 20 2544 99/GOOD 21 2367 FT ST JOHN 99/GOOD 33 1686 99/GOOD 35 3837 99/GOOD 35 3825 WHITEHORSE 21/POOR 8 993 73/GOOD 9 2582 99/GOOD 21 2446 DAWSON 12/POOR 4 501 93/GOOD 9 3402 99/GOOD 13 3382 WATSON LAKE 24/POOR 10 982 99/GOOD 13 3150 99/GOOD 28 2841 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 33 S 17 WATSON LAKE 0 0 SE 15 WHITEHORSE SE 17 SE 22 MAYO S 17 SE 24 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 42/FAIR 10 696 38/FAIR 8 740 70/GOOD 21 759 FRASER VALLEY 36/FAIR 7 848 64/GOOD 12 1188 86/GOOD 22 1120 SRN VAN ISLD 39/FAIR 12 546 26/POOR 7 497 80/GOOD 26 787 CNTRL VAN ISLD 46/FAIR 11 743 28/POOR 4 945 77/GOOD 23 848 NRN VAN ISLD 70/GOOD 24 676 42/FAIR 22 337 33/POOR 19 273 TERRACE 35/FAIR 13 621 42/FAIR 10 908 59/GOOD 10 1395 STEWART 36/FAIR 14 396 38/FAIR 10 606 46/FAIR 8 1006 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SW 15 W 19 W 37 SANDSPIT SW 44 SW 44 SW 54 PORT HARDY SW 44 SW 46 SW 52 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/