FPCN39 CWLW 101330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 10 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. 10-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 41/FAIR 30 452 99/GOOD 40 2140 62/GOOD 12 1289 KAMLOOPS 52/FAIR 11 1232 74/GOOD 10 2092 28/POOR 3 1577 OKANAGAN 55/GOOD 14 1206 72/GOOD 8 2515 80/GOOD 11 2286 CASTLEGAR 51/FAIR 14 1164 67/GOOD 7 2588 70/GOOD 9 2227 CRANBROOK 46/FAIR 17 1416 77/GOOD 8 3279 86/GOOD 13 2750 REVELSTOKE 15/POOR 5 651 44/FAIR 4 2316 61/GOOD 8 2009 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 30 0 0 CRANBROOK N 17 N 11 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 26/POOR 10 867 98/GOOD 13 2886 60/GOOD 7 2270 100 MILE 31/POOR 12 1307 83/GOOD 11 2899 83/GOOD 14 2479 WILLIAMS LAKE 29/POOR 11 1299 88/GOOD 12 2982 68/GOOD 9 2603 PUNTZI MTN 18/POOR 8 1114 99/GOOD 20 3051 77/GOOD 11 2625 PRINCE GEORGE 24/POOR 14 895 82/GOOD 10 2817 40/FAIR 4 2291 BURNS LAKE 30/POOR 11 918 98/GOOD 15 2573 79/GOOD 13 2067 SMITHERS 39/FAIR 8 1289 90/GOOD 14 2359 68/GOOD 13 1665 MCBRIDE 10/POOR 7 764 43/FAIR 6 1930 58/GOOD 10 1880 CLEARWATER 16/POOR 9 537 68/GOOD 8 2290 68/GOOD 10 1910 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 13 W 22 SMITHERS SW 20 SW 22 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 77/GOOD 26 1112 99/GOOD 17 3539 99/GOOD 14 3334 FT ST JOHN 48/FAIR 21 1096 99/GOOD 22 3640 99/GOOD 24 2958 WHITEHORSE 55/GOOD 17 1326 98/GOOD 16 2614 98/GOOD 20 2223 DAWSON 42/FAIR 20 723 99/GOOD 13 3468 77/GOOD 11 2082 WATSON LAKE 64/GOOD 19 1410 97/GOOD 13 2982 96/GOOD 16 2511 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 17 SW 17 WATSON LAKE NW 15 SW 19 WHITEHORSE SW 24 S 20 MAYO NW 15 W 11 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 17/POOR 7 223 46/FAIR 8 1002 50/FAIR 12 752 FRASER VALLEY 29/POOR 11 421 56/GOOD 10 1145 41/FAIR 7 1028 SRN VAN ISLD 32/POOR 19 258 53/FAIR 10 1019 39/FAIR 8 781 CNTRL VAN ISLD 29/POOR 17 261 32/POOR 4 1169 47/FAIR 14 612 NRN VAN ISLD 15/POOR 7 179 80/GOOD 15 1374 49/FAIR 9 1016 TERRACE 42/FAIR 10 923 72/GOOD 12 1597 48/FAIR 10 1064 STEWART 23/POOR 8 336 43/FAIR 8 907 18/POOR 9 200 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 W 13 W 24 SANDSPIT SW 11 W 19 W 26 PORT HARDY S 54 S 41 S 33 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/