FPCN39 CWLW 111330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 11 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. 11-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 25/POOR 10 542 68/GOOD 11 1574 99/GOOD 23 1918 KAMLOOPS 29/POOR 8 830 79/GOOD 13 1843 99/GOOD 26 2111 OKANAGAN 32/POOR 11 865 74/GOOD 12 1903 99/GOOD 25 2515 CASTLEGAR 20/POOR 12 660 62/GOOD 7 2323 76/GOOD 10 2323 CRANBROOK 10/POOR 2 1062 90/GOOD 12 3072 82/GOOD 12 2689 REVELSTOKE 26/POOR 13 690 81/GOOD 12 2163 92/GOOD 16 2108 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 30 SW 35 CRANBROOK SW 11 W 19 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 22/POOR 7 883 50/FAIR 6 2039 44/FAIR 5 2050 100 MILE 29/POOR 12 1274 90/GOOD 16 2555 99/GOOD 18 2870 WILLIAMS LAKE 20/POOR 9 1179 67/GOOD 10 2398 67/GOOD 9 2571 PUNTZI MTN 30/POOR 9 1364 55/GOOD 8 2221 77/GOOD 18 1953 PRINCE GEORGE 14/POOR 4 929 57/GOOD 7 2291 66/GOOD 10 2123 BURNS LAKE 41/FAIR 13 1059 54/FAIR 10 1566 55/GOOD 16 1207 SMITHERS 42/FAIR 12 1105 45/FAIR 7 1611 65/GOOD 16 1396 MCBRIDE 22/POOR 16 886 59/GOOD 9 2030 88/GOOD 15 2376 CLEARWATER 17/POOR 8 583 71/GOOD 12 1737 97/GOOD 19 1963 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 22 SW 31 SMITHERS SW 41 SW 46 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 38/FAIR 21 670 89/GOOD 8 3523 49/FAIR 3 3296 FT ST JOHN 26/POOR 19 867 82/GOOD 12 2448 96/GOOD 18 2311 WHITEHORSE 19/POOR 11 874 88/GOOD 14 2466 30/POOR 2 2811 DAWSON 15/POOR 11 478 99/GOOD 20 3408 82/GOOD 10 2499 WATSON LAKE 12/POOR 3 876 79/GOOD 10 2662 58/GOOD 5 2975 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 33 SW 26 WATSON LAKE S 11 SW 11 WHITEHORSE SE 19 S 15 MAYO 0 0 S 22 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 14/POOR 9 103 25/POOR 7 454 89/GOOD 26 953 FRASER VALLEY 15/POOR 8 184 43/FAIR 8 966 99/GOOD 28 1253 SRN VAN ISLD 15/POOR 10 137 21/POOR 3 750 72/GOOD 32 537 CNTRL VAN ISLD 13/POOR 5 185 22/POOR 3 864 64/GOOD 23 616 NRN VAN ISLD 24/POOR 9 336 23/POOR 3 884 51/FAIR 18 540 TERRACE 38/FAIR 12 721 38/FAIR 7 1065 63/GOOD 11 1411 STEWART 29/POOR 14 285 17/POOR 5 299 29/POOR 18 225 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 9 S 24 SW 41 SANDSPIT S 24 SW 28 SW 35 PORT HARDY SW 30 SW 35 SW 35 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/