FPCN39 CWLW 261400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 26 JULY 2000 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 81/GOOD 916 11 100/GOOD 1428 13 100/GOOD 873 19 KAMLOOPS 85/GOOD 919 18 100/GOOD 1868 16 100/GOOD 1360 23 OKANAGAN 97/GOOD 1481 8 100/GOOD 2315 9 100/GOOD 1729 13 CASTLEGAR 22/POOR 707 6 100/GOOD 2196 12 100/GOOD 2017 14 CRANBROOK 17/POOR 1035 10 100/GOOD 2684 16 100/GOOD 2629 18 REVELSTOKE 56/GOOD 1288 6 100/GOOD 1766 8 56/GOOD 1025 9 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 17 SW 22 CRANBROOK 0 0 SW 22 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 31/POOR 775 13 100/GOOD 2632 21 100/GOOD 1483 25 100 MILE 77/GOOD 1700 14 100/GOOD 2587 24 100/GOOD 2113 31 WILLIAMS LK 40/FAIR 1290 12 100/GOOD 2801 21 100/GOOD 2023 28 PUNTZI MNT 66/GOOD 1477 13 100/GOOD 2858 22 100/GOOD 2244 27 PR. GEORGE 32/POOR 1101 8 100/GOOD 2673 16 100/GOOD 1648 26 BURNS LAKE 26/POOR 957 10 64/GOOD 1409 11 96/GOOD 1311 21 SMITHERS 22/POOR 702 11 79/GOOD 1185 12 100/GOOD 1309 14 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 19 SW 24 SMITHERS S 33 SW 43 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 36/FAIR 590 22 100/GOOD 1965 4 100/GOOD 1619 21 FT STJOHN 100/GOOD 1256 23 100/GOOD 3420 14 100/GOOD 2802 24 WHITEHORSE 17/POOR 820 7 100/GOOD 1983 9 100/GOOD 1753 13 DAWSON 70/GOOD 994 12 100/GOOD 1788 7 100/GOOD 2227 7 WATSON LAKE 14/POOR 751 6 65/GOOD 1990 6 49/FAIR 1415 9 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 26 S 33 WATSON LAKE SW 28 SW 35 WHITEHORSE 0 0 0 0 MAYO W 19 W 15 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 49/FAIR 616 12 33/POOR 495 6 38/FAIR 170 31 FRASER VLY 46/FAIR 680 10 66/GOOD 1018 8 16/POOR 125 19 SRN VRISL 58/GOOD 510 15 25/POOR 317 4 38/FAIR 164 20 CNTRL VRISL 52/FAIR 517 16 63/GOOD 721 8 37/FAIR 229 23 NRN VRISL 18/POOR 66 22 13/POOR 37 37 64/GOOD 290 27 TERRACE 42/FAIR 534 13 15/POOR 284 13 77/GOOD 748 15 STEWART 36/FAIR 293 11 19/POOR 160 15 23/POOR 187 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 16 SW 24 SW 35 SANDSPIT W 25 W 22 SW 26 PORT HARDY SW 20 SW 26 SW 26 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^