FPCN39 CWLW 041330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 4 JULY 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. 04-July-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 17/POOR 10 386 99/GOOD 30 1957 99/GOOD 25 2472 KAMLOOPS 22/POOR 17 490 99/GOOD 22 2321 99/GOOD 20 2700 OKANAGAN 16/POOR 10 589 94/GOOD 15 2338 95/GOOD 12 2839 CASTLEGAR 10/POOR 4 524 80/GOOD 14 1951 88/GOOD 13 2390 CRANBROOK 12/POOR 5 1031 90/GOOD 18 2370 99/GOOD 22 2892 REVELSTOKE 19/POOR 14 572 79/GOOD 12 2103 95/GOOD 13 2662 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 13 SW 22 CRANBROOK S 15 SW 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 16 699 99/GOOD 20 3042 91/GOOD 13 2568 100 MILE 21/POOR 15 1094 99/GOOD 16 2999 88/GOOD 13 2805 WILLIAMS LAKE 25/POOR 17 1125 99/GOOD 20 3045 81/GOOD 11 2823 PUNTZI MTN 21/POOR 15 1055 99/GOOD 20 3230 99/GOOD 16 3013 PRINCE GEORGE 29/POOR 24 855 99/GOOD 30 2850 99/GOOD 22 2556 BURNS LAKE 54/GOOD 17 1152 99/GOOD 24 2553 99/GOOD 24 2190 SMITHERS 34/FAIR 8 1156 99/GOOD 20 2391 89/GOOD 20 1761 MCBRIDE 21/POOR 18 858 99/GOOD 19 2901 94/GOOD 17 2387 CLEARWATER 15/POOR 11 500 98/GOOD 17 2198 92/GOOD 14 2291 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 24 SW 50 SMITHERS SW 35 SW 37 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 16 496 99/GOOD 27 2938 99/GOOD 35 2219 FT ST JOHN 18/POOR 15 802 99/GOOD 34 3134 99/GOOD 41 2673 WHITEHORSE 37/FAIR 22 961 91/GOOD 24 1792 70/GOOD 16 1682 DAWSON 10/POOR 2 438 88/GOOD 18 1712 57/GOOD 10 1483 WATSON LAKE 18/POOR 17 784 79/GOOD 21 1637 99/GOOD 30 2284 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 33 SW 26 WATSON LAKE 0 0 S 11 WHITEHORSE SW 19 S 13 MAYO 0 0 N 19 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 10/POOR 5 42 75/GOOD 20 890 71/GOOD 20 802 FRASER VALLEY 12/POOR 9 112 75/GOOD 20 944 65/GOOD 13 1124 SRN VAN ISLD 11/POOR 5 83 71/GOOD 20 819 71/GOOD 20 819 CNTRL VAN ISLD 18/POOR 15 133 86/GOOD 25 960 70/GOOD 15 1070 NRN VAN ISLD 43/FAIR 19 402 81/GOOD 25 843 83/GOOD 25 889 TERRACE 50/FAIR 10 1116 99/GOOD 25 1909 65/GOOD 14 1196 STEWART 36/FAIR 11 499 50/FAIR 15 607 48/FAIR 14 607 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 SW 19 SW 35 SANDSPIT W 15 W 24 SW 44 PORT HARDY W 33 SW 30 SW 35 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/WJW