FPCN39 CWLW 051331 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 5 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. 05-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 97/GOOD 19 1800 99/GOOD 17 2274 61/GOOD 9 1632 KAMLOOPS 99/GOOD 29 1957 99/GOOD 24 2896 72/GOOD 9 2184 OKANAGAN 99/GOOD 28 2330 99/GOOD 26 2212 61/GOOD 7 2250 CASTLEGAR 99/GOOD 21 2009 99/GOOD 19 2308 71/GOOD 9 2276 CRANBROOK 99/GOOD 23 2705 99/GOOD 26 7939 88/GOOD 13 2825 REVELSTOKE 80/GOOD 20 1444 70/GOOD 16 1420 46/FAIR 5 2020 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 48 W 74 CRANBROOK SW 46 W 65 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 99/GOOD 28 1756 99/GOOD 30 3108 95/GOOD 15 2454 100 MILE 99/GOOD 36 2420 99/GOOD 31 3440 87/GOOD 13 2785 WILLIAMS LAKE 99/GOOD 32 2182 99/GOOD 28 3557 83/GOOD 12 2750 PUNTZI MTN 99/GOOD 34 2217 99/GOOD 30 3170 95/GOOD 18 2508 PRINCE GEORGE 99/GOOD 30 1774 99/GOOD 36 3022 74/GOOD 9 2630 BURNS LAKE 99/GOOD 31 1742 99/GOOD 30 2550 98/GOOD 18 2225 SMITHERS 92/GOOD 25 1584 99/GOOD 23 2211 84/GOOD 16 1904 MCBRIDE 62/GOOD 15 1590 87/GOOD 25 1679 45/FAIR 6 2037 CLEARWATER 98/GOOD 23 1728 99/GOOD 23 2139 60/GOOD 7 2151 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 70 NW 52 SMITHERS W 43 W 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 19/POOR 18 484 99/GOOD 26 3088 67/GOOD 7 2474 FT ST JOHN 50/FAIR 14 1349 67/GOOD 33 1137 80/GOOD 9 2951 WHITEHORSE 81/GOOD 17 1933 99/GOOD 21 2892 97/GOOD 20 2190 DAWSON 46/FAIR 16 871 99/GOOD 18 3417 99/GOOD 15 3349 WATSON LAKE 40/FAIR 20 1009 99/GOOD 24 2890 97/GOOD 16 2546 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 33 W 24 WATSON LAKE NW 15 W 17 WHITEHORSE W 30 SW 13 MAYO SW 30 S 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 99/GOOD 40 1438 99/GOOD 22 1589 15/POOR 2 529 FRASER VALLEY 90/GOOD 26 1039 99/GOOD 22 1596 38/FAIR 5 1242 SRN VAN ISLD 99/GOOD 31 1169 93/GOOD 21 1320 17/POOR 4 371 CNTRL VAN ISLD 99/GOOD 29 1175 89/GOOD 15 1681 43/FAIR 8 934 NRN VAN ISLD 88/GOOD 37 684 84/GOOD 17 1335 99/GOOD 25 1303 TERRACE 78/GOOD 17 1340 81/GOOD 12 1936 74/GOOD 14 1465 STEWART 54/GOOD 16 656 35/FAIR 11 479 34/FAIR 19 268 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 48 NW 46 W 43 SANDSPIT NW 50 NW 43 NW 37 PORT HARDY W 39 W 41 W 43 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/