FPCN39 CWLW 281400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 28 SEPTEMBER 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 42/FAIR 395 28 100/GOOD 1038 15 100/GOOD 1260 21 KAMLOOPS 24/POOR 599 12 45/FAIR 1165 19 60/GOOD 1553 27 OKANAGAN 22/POOR 559 15 90/GOOD 1767 15 100/GOOD 1720 20 CASTLEGAR 12/POOR 521 7 90/GOOD 1738 15 100/GOOD 1541 16 CRANBROOK 15/POOR 1010 13 100/GOOD 2307 21 90/GOOD 1798 20 REVELSTOKE 22/POOR 601 13 100/GOOD 1663 13 100/GOOD 789 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 24 SW 24 CRANBROOK 0 0 W 20 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 18/POOR 644 13 45/FAIR 1261 10 100/GOOD 2090 28 100 MILE 21/POOR 1033 25 46/FAIR 2110 13 100/GOOD 2744 27 WILLIAMS LK 18/POOR 1034 15 50/FAIR 1480 18 100/GOOD 2559 25 PUNTZI MNT 13/POOR 942 12 46/FAIR 1213 18 100/GOOD 2263 31 PR. GEORGE 18/POOR 784 15 60/GOOD 1903 13 70/GOOD 1906 27 BURNS LAKE 16/POOR 777 26 40/FAIR 1191 16 60/GOOD 1245 32 SMITHERS 18/POOR 608 22 49/FAIR 955 15 44/FAIR 607 30 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 24 SW 37 SMITHERS SW 35 SW 35 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 20/POOR 619 7 27/POOR 657 10 71/GOOD 844 15 FT STJOHN 58/GOOD 951 31 100/GOOD 2328 24 100/GOOD 2191 29 WHITEHORSE 42/FAIR 1122 21 100/GOOD 2324 17 96/GOOD 2114 17 DAWSON 32/POOR 816 18 45/FAIR 669 18 47/FAIR 730 16 WATSON LAKE 30/POOR 873 15 100/GOOD 1964 17 100/GOOD 1882 5 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 28 SW 43 WATSON LAKE W 43 W 39 WHITEHORSE SW 41 W 54 MAYO E 31 S 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 29/POOR 262 10 46/FAIR 571 11 77/GOOD 1234 23 FRASER VLY 29/POOR 309 14 30/POOR 1244 9 65/GOOD 462 14 SRN VRISL 22/POOR 416 18 48/FAIR 276 7 49/FAIR 562 16 CNTRL VRISL 23/POOR 380 16 52/FAIR 598 8 32/POOR 360 10 NRN VRISL 25/POOR 155 21 15/POOR 53 35 20/POOR 83 38 TERRACE 27/POOR 370 17 24/POOR 369 17 62/GOOD 847 23 STEWART 54/FAIR 392 18 55/GOOD 270 14 87/GOOD 691 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 16 S 28 SW 33 SANDSPIT S 22 S 30 S 39 PORT HARDY S 35 S 35 S 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^