FPCN39 CWLW 311400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 31 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 16/POOR 336 7 100/GOOD 2056 14 93/GOOD 1781 5 KAMLOOPS 15/POOR 446 7 100/GOOD 2182 11 100/GOOD 1981 12 OKANAGAN 13/POOR 471 8 100/GOOD 2226 3 100/GOOD 1944 11 CASTLEGAR 16/POOR 589 11 100/GOOD 3109 5 100/GOOD 2260 10 CRANBROOK 19/POOR 1066 12 100/GOOD 3825 8 100/GOOD 2904 18 REVELSTOKE 14/POOR 512 9 100/GOOD 2368 5 100/GOOD 1649 10 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 17 SW 30 CRANBROOK 0 0 W 24 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 15/POOR 600 15 100/GOOD 1969 9 100/GOOD 2061 13 100 MILE 14/POOR 1000 7 100/GOOD 2849 15 100/GOOD 2624 15 WILLIAMS LK 15/POOR 1030 7 100/GOOD 2490 6 100/GOOD 2728 12 PUNTZI MNT 17/POOR 987 16 100/GOOD 2937 18 100/GOOD 2622 14 PR. GEORGE 15/POOR 747 14 100/GOOD 1766 10 100/GOOD 2109 18 BURNS LAKE 13/POOR 743 10 100/GOOD 2042 14 100/GOOD 2188 22 SMITHERS 13/POOR 560 10 100/GOOD 1525 12 100/GOOD 1904 19 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 15 W 39 SMITHERS S 22 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 17/POOR 467 16 100/GOOD 1512 11 100/GOOD 2047 27 FT STJOHN 17/POOR 812 7 100/GOOD 2485 19 100/GOOD 2285 22 WHITEHORSE 63/GOOD 1041 27 100/GOOD 1951 21 100/GOOD 2319 13 DAWSON 100/GOOD 1130 28 100/GOOD 1607 20 100/GOOD 2576 15 WATSON LAKE 27/POOR 866 16 100/GOOD 2319 9 100/GOOD 2404 24 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 13 W 11 WATSON LAKE W 43 NW 30 WHITEHORSE W 17 0 0 MAYO N 24 N 20 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 13/POOR 33 6 28/POOR 295 6 38/FAIR 368 11 FRASER VLY 13/POOR 95 6 100/GOOD 766 12 64/GOOD 891 11 SRN VRISL 14/POOR 59 17 80/GOOD 322 15 30/POOR 306 4 CNTRL VRISL 18/POOR 106 19 76/GOOD 1000 9 73/GOOD 957 7 NRN VRISL 14/POOR 63 17 48/FAIR 428 29 100/GOOD 766 28 TERRACE 13/POOR 272 7 90/GOOD 965 9 76/GOOD 1167 8 STEWART 14/POOR 74 12 75/GOOD 183 8 51/FAIR 607 8 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 SW 13 SW 24 SANDSPIT SE 42 S 43 S 43 PORT HARDY S 27 S 31 SW 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^