FPCN39 CWLW 221330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 22 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. 22-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 20/POOR 20 334 79/GOOD 15 1547 77/GOOD 13 1677 KAMLOOPS 28/POOR 17 563 90/GOOD 19 1703 87/GOOD 14 2033 OKANAGAN 27/POOR 15 688 86/GOOD 15 2015 84/GOOD 14 2031 CASTLEGAR 14/POOR 9 603 66/GOOD 11 1787 75/GOOD 11 2107 CRANBROOK 16/POOR 9 1092 97/GOOD 17 2686 80/GOOD 13 2488 REVELSTOKE 15/POOR 11 551 77/GOOD 12 1999 72/GOOD 10 2105 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 22 W 35 CRANBROOK W 22 W 41 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 31/POOR 18 784 99/GOOD 24 2608 19/POOR 2 1476 100 MILE 25/POOR 15 1146 99/GOOD 22 2610 32/POOR 4 2076 WILLIAMS LAKE 22/POOR 11 1156 99/GOOD 22 2780 24/POOR 2 2331 PUNTZI MTN 31/POOR 20 1124 99/GOOD 26 2607 77/GOOD 13 2358 PRINCE GEORGE 27/POOR 26 823 60/GOOD 14 1567 22/POOR 2 1956 BURNS LAKE 46/FAIR 24 877 80/GOOD 19 1614 53/FAIR 6 2219 SMITHERS 21/POOR 20 633 66/GOOD 16 1404 54/FAIR 6 2224 MCBRIDE 32/POOR 22 936 99/GOOD 19 2395 48/FAIR 9 1668 CLEARWATER 24/POOR 20 539 90/GOOD 17 1908 59/GOOD 8 1884 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 44 SW 54 SMITHERS SW 74 SW 81 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 22/POOR 13 567 99/GOOD 18 2229 99/GOOD 22 2664 FT ST JOHN 76/GOOD 20 1609 99/GOOD 39 3026 99/GOOD 17 3340 WHITEHORSE 64/GOOD 19 1407 99/GOOD 29 2444 99/GOOD 26 2719 DAWSON 57/GOOD 13 1233 64/GOOD 6 2605 80/GOOD 13 1924 WATSON LAKE 26/POOR 14 922 99/GOOD 29 2725 99/GOOD 31 3014 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 52 SW 56 WATSON LAKE S 26 S 35 WHITEHORSE SE 33 S 35 MAYO SW 19 SE 15 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 13/POOR 12 56 15/POOR 6 193 13/POOR 2 352 FRASER VALLEY 15/POOR 12 157 23/POOR 4 731 44/FAIR 8 984 SRN VAN ISLD 10/POOR 8 43 14/POOR 7 156 10/POOR 1 267 CNTRL VAN ISLD 10/POOR 7 50 16/POOR 3 452 19/POOR 3 614 NRN VAN ISLD 14/POOR 14 91 70/GOOD 22 736 58/GOOD 26 458 TERRACE 58/GOOD 21 765 53/FAIR 14 923 44/FAIR 5 1686 STEWART 37/FAIR 17 350 59/GOOD 17 702 31/POOR 5 884 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 SW 26 W 39 SANDSPIT SW 30 SW 48 SW 70 PORT HARDY SW 59 SW 61 SW 80 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/TCS