FPCN39 CWLW 171400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 17 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 71/GOOD 680 16 100/GOOD 1249 13 100/GOOD 1585 16 KAMLOOPS 76/GOOD 754 23 100/GOOD 1760 16 100/GOOD 2254 20 OKANAGAN 82/GOOD 915 18 100/GOOD 2068 17 100/GOOD 2290 15 CASTLEGAR 55/GOOD 931 12 100/GOOD 2189 11 100/GOOD 2236 12 CRANBROOK 42/FAIR 1436 9 100/GOOD 2375 16 100/GOOD 2996 14 REVELSTOKE 59/GOOD 877 14 100/GOOD 2136 14 100/GOOD 2089 12 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 13 W 11 CRANBROOK 0 0 0 0 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 100/GOOD 1585 12 100/GOOD 2116 7 100/GOOD 2792 22 100 MILE 100/GOOD 1726 17 97/GOOD 2004 5 100/GOOD 2922 20 WILLIAMS LK 100/GOOD 1966 18 100/GOOD 2253 5 100/GOOD 3024 21 PUNTZI MNT 100/GOOD 1782 15 100/GOOD 2685 26 100/GOOD 2487 18 PR. GEORGE 19/POOR 1039 4 100/GOOD 2152 7 100/GOOD 2755 17 BURNS LAKE 100/GOOD 1703 15 100/GOOD 2428 25 100/GOOD 2313 20 SMITHERS 100/GOOD 1368 12 100/GOOD 2020 20 100/GOOD 1817 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 11 W 20 SMITHERS SW 26 SW 33 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 33/POOR 553 24 60/GOOD 1118 10 100/GOOD 2586 17 FT STJOHN 61/GOOD 1242 15 53/FAIR 1348 8 100/GOOD 2528 22 WHITEHORSE 100/GOOD 1313 20 72/GOOD 1541 9 93/GOOD 2073 10 DAWSON 49/FAIR 626 26 100/GOOD 3102 8 100/GOOD 2262 8 WATSON LAKE 61/GOOD 1083 21 43/FAIR 1211 9 100/GOOD 2350 12 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 20 S 26 WATSON LAKE E 35 SE 17 WHITEHORSE E 30 SE 28 MAYO SE 24 SE 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 37/FAIR 412 16 60/GOOD 856 13 41/FAIR 476 3 FRASER VLY 53/FAIR 502 16 58/GOOD 781 10 83/GOOD 1081 13 SRN VRISL 80/GOOD 596 21 65/GOOD 900 11 60/GOOD 682 7 CNTRL VRISL 68/GOOD 521 18 75/GOOD 724 9 69/GOOD 713 10 NRN VRISL 94/GOOD 506 23 87/GOOD 817 14 70/GOOD 800 33 TERRACE 100/GOOD 974 16 100/GOOD 1320 17 100/GOOD 1214 13 STEWART 47/FAIR 359 14 80/GOOD 850 16 37/FAIR 407 12 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 W 11 W 15 SANDSPIT S 16 SW 35 S 54 PORT HARDY 0 0 S 19 SW 17 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^