FPCN39 CWLW 261400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 26 MAY 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 46/FAIR 892 7 100/GOOD 1938 9 100/GOOD 1045 19 KAMLOOPS 47/FAIR 841 12 100/GOOD 1813 9 100/GOOD 2208 24 OKANAGAN 56/GOOD 986 11 100/GOOD 2289 17 100/GOOD 2407 19 CASTLEGAR 13/POOR 570 6 75/GOOD 1172 8 100/GOOD 1893 20 CRANBROOK 20/POOR 1087 12 100/GOOD 2322 14 100/GOOD 2470 22 REVELSTOKE 30/POOR 826 8 100/GOOD 2114 8 100/GOOD 1361 9 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 19 W 31 CRANBROOK SW 9 W 28 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 22/POOR 768 9 100/GOOD 3083 2 86/GOOD 1749 4 100 MILE 15/POOR 1059 3 71/GOOD 2713 3 100/GOOD 2624 23 WILLIAMS LK 16/POOR 1069 6 100/GOOD 3431 3 100/GOOD 2407 10 PUNTZI MNT 33/POOR 1337 4 100/GOOD 3266 10 100/GOOD 2507 9 PR. GEORGE 12/POOR 724 6 100/GOOD 3585 3 100/GOOD 3108 11 BURNS LAKE 14/POOR 802 4 100/GOOD 3384 8 100/GOOD 2613 8 SMITHERS 22/POOR 707 9 100/GOOD 3127 7 100/GOOD 2421 7 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 24 W 24 SMITHERS NW 17 0 0 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 601 20 100/GOOD 3269 13 100/GOOD 2928 13 FT STJOHN 40/FAIR 961 20 100/GOOD 2502 12 100/GOOD 2940 18 WHITEHORSE 27/POOR 1184 2 80/GOOD 2023 6 100/GOOD 2517 15 DAWSON 83/GOOD 874 22 100/GOOD 3520 16 100/GOOD 3542 7 WATSON LAKE 51/FAIR 1180 11 100/GOOD 2595 14 100/GOOD 3151 16 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 20 NW 19 WATSON LAKE NE 19 NE 19 WHITEHORSE NW 17 N 11 MAYO 0 0 S 13 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 38/FAIR 613 4 59/GOOD 617 14 34/FAIR 238 16 FRASER VLY 36/FAIR 551 11 58/GOOD 690 11 100/GOOD 1046 18 SRN VRISL 25/POOR 454 4 39/FAIR 427 11 16/POOR 87 23 CNTRL VRISL 38/FAIR 492 9 54/FAIR 837 12 70/GOOD 468 17 NRN VRISL 18/POOR 166 9 54/FAIR 1342 15 18/POOR 239 3 TERRACE 23/POOR 394 11 100/GOOD 3057 3 78/GOOD 2328 1 STEWART 33/POOR 204 21 80/GOOD 719 12 69/GOOD 657 10 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 W 17 W 28 SANDSPIT N 27 NW 26 NW 39 PORT HARDY N 27 N 28 NW 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^