FPCN39 CWLW 191330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 19 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. 19-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 73/GOOD 22 1004 99/GOOD 17 2058 79/GOOD 9 2395 KAMLOOPS 72/GOOD 21 1140 99/GOOD 18 2138 99/GOOD 18 2472 OKANAGAN 69/GOOD 21 1182 99/GOOD 20 2039 99/GOOD 16 2684 CASTLEGAR 38/FAIR 12 991 99/GOOD 20 2451 99/GOOD 15 3403 CRANBROOK 55/GOOD 22 1417 99/GOOD 25 2623 99/GOOD 18 4011 REVELSTOKE 47/FAIR 19 872 68/GOOD 14 1522 84/GOOD 12 2300 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 43 W 91 CRANBROOK SW 44 W 78 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 21 2055 99/GOOD 22 2247 99/GOOD 17 2706 100 MILE 88/GOOD 18 2282 99/GOOD 26 3106 99/GOOD 19 2941 WILLIAMS LAKE 96/GOOD 22 2255 99/GOOD 22 3420 99/GOOD 16 3106 PUNTZI MTN 99/GOOD 25 2363 99/GOOD 29 3296 99/GOOD 17 2988 PRINCE GEORGE 99/GOOD 28 2464 99/GOOD 27 2495 99/GOOD 21 2637 BURNS LAKE 99/GOOD 29 2091 99/GOOD 27 2248 99/GOOD 18 2464 SMITHERS 94/GOOD 24 1676 99/GOOD 25 2321 86/GOOD 15 2063 MCBRIDE 85/GOOD 20 1861 88/GOOD 18 2082 94/GOOD 17 2359 CLEARWATER 77/GOOD 18 1444 99/GOOD 20 2773 94/GOOD 16 2158 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 59 W 61 SMITHERS W 57 W 57 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 41/FAIR 23 678 97/GOOD 14 2502 99/GOOD 16 3019 FT ST JOHN 99/GOOD 25 2036 99/GOOD 22 3335 99/GOOD 24 3399 WHITEHORSE 42/FAIR 24 989 95/GOOD 18 2285 99/GOOD 21 2582 DAWSON 62/GOOD 20 1009 99/GOOD 11 3379 99/GOOD 12 3549 WATSON LAKE 23/POOR 19 825 99/GOOD 26 3208 99/GOOD 17 2677 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE NW 22 NW 15 WATSON LAKE NW 28 W 26 WHITEHORSE NW 35 NW 22 MAYO NE 20 NE 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 61/GOOD 16 788 75/GOOD 22 809 84/GOOD 28 788 FRASER VALLEY 56/GOOD 17 697 82/GOOD 19 1170 95/GOOD 15 1981 SRN VAN ISLD 59/GOOD 18 671 87/GOOD 20 1219 56/GOOD 9 1219 CNTRL VAN ISLD 59/GOOD 17 721 73/GOOD 14 1227 68/GOOD 14 1099 NRN VAN ISLD 72/GOOD 20 856 95/GOOD 26 1131 85/GOOD 23 1015 TERRACE 56/GOOD 19 789 84/GOOD 15 1702 41/FAIR 5 1577 STEWART 30/POOR 17 252 73/GOOD 14 1207 32/POOR 6 786 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 33 W 54 W 80 SANDSPIT W 30 W 31 W 56 PORT HARDY W 46 W 44 W 44 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/DSL