FPCN39 CWLW 181400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 18 AUGUST 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 83/GOOD 775 15 100/GOOD 1698 16 100/GOOD 1069 14 KAMLOOPS 100/GOOD 1136 14 100/GOOD 2236 21 100/GOOD 2035 26 OKANAGAN 51/FAIR 956 10 100/GOOD 2061 12 100/GOOD 2824 15 CASTLEGAR 19/POOR 636 5 100/GOOD 2660 15 100/GOOD 2272 13 CRANBROOK 15/POOR 1022 8 100/GOOD 3251 24 100/GOOD 2912 19 REVELSTOKE 14/POOR 535 7 100/GOOD 1715 9 100/GOOD 1552 12 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 13 SW 26 CRANBROOK SE 9 S 13 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 62/GOOD 1095 16 100/GOOD 2707 15 100/GOOD 2601 8 100 MILE 51/FAIR 1342 18 100/GOOD 3129 22 100/GOOD 2614 19 WILLIAMS LK 34/FAIR 1292 8 100/GOOD 3134 18 100/GOOD 2525 10 PUNTZI MNT 45/FAIR 1225 13 100/GOOD 3141 18 100/GOOD 3264 17 PR. GEORGE 34/FAIR 1132 4 100/GOOD 2461 9 100/GOOD 2520 14 BURNS LAKE 33/POOR 971 18 100/GOOD 2262 9 100/GOOD 2424 18 SMITHERS 33/POOR 1132 3 97/GOOD 1865 7 100/GOOD 2137 15 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 35 S 50 SMITHERS S 39 SW 41 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 12/POOR 411 3 70/GOOD 1358 9 100/GOOD 2078 16 FT STJOHN 17/POOR 778 12 91/GOOD 2038 13 100/GOOD 2360 24 WHITEHORSE 15/POOR 786 10 100/GOOD 2368 17 82/GOOD 1379 14 DAWSON 12/POOR 393 4 100/GOOD 1646 19 100/GOOD 2127 10 WATSON LAKE 13/POOR 741 7 60/GOOD 2206 3 100/GOOD 2461 21 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 22 S 20 WATSON LAKE SE 35 SE 28 WHITEHORSE E 24 E 28 MAYO 0 0 0 0 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 28/POOR 250 7 100/GOOD 811 21 64/GOOD 505 16 FRASER VLY 23/POOR 325 7 100/GOOD 1434 17 62/GOOD 466 16 SRN VRISL 25/POOR 207 15 65/GOOD 373 21 100/GOOD 847 29 CNTRL VRISL 38/FAIR 315 18 100/GOOD 965 21 96/GOOD 544 24 NRN VRISL 26/POOR 148 18 100/GOOD 799 21 73/GOOD 1102 8 TERRACE 48/FAIR 552 17 100/GOOD 1847 6 100/GOOD 1491 11 STEWART 66/GOOD 638 8 79/GOOD 1597 0 66/GOOD 514 13 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 SW 26 SW 33 SANDSPIT S 53 S 54 S 59 PORT HARDY S 57 S 56 SW 52 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/GF $$$$^^