FPCN39 CWLW 091400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 9 APRIL 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 17/POOR 324 14 39/FAIR 871 4 100/GOOD 1499 7 KAMLOOPS 21/POOR 479 14 36/FAIR 1449 2 100/GOOD 1809 11 OKANAGAN 29/POOR 704 8 45/FAIR 1567 4 91/GOOD 1881 12 CASTLEGAR 24/POOR 711 8 40/FAIR 1775 2 82/GOOD 2248 5 CRANBROOK 42/FAIR 1205 16 67/GOOD 2016 4 93/GOOD 2104 8 REVELSTOKE 62/GOOD 984 11 37/FAIR 1381 2 100/GOOD 1731 6 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 19 W 28 CRANBROOK W 11 W 26 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 1470 13 77/GOOD 1911 4 100/GOOD 2431 13 100 MILE 47/FAIR 1300 15 46/FAIR 2102 3 100/GOOD 2540 15 WILLIAMS LK 56/GOOD 1468 14 50/FAIR 2065 4 100/GOOD 2826 12 PUNTZI MNT 38/FAIR 1366 6 51/FAIR 1879 5 100/GOOD 2583 16 PR. GEORGE 100/GOOD 1595 18 66/GOOD 2083 4 100/GOOD 2315 8 BURNS LAKE 76/GOOD 1508 16 67/GOOD 2052 5 100/GOOD 2159 11 SMITHERS 54/FAIR 1308 14 39/FAIR 1485 3 55/GOOD 1421 7 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 31 SW 44 SMITHERS SW 46 SW 69 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 56/GOOD 779 19 30/POOR 977 4 100/GOOD 1846 7 FT STJOHN 33/POOR 851 28 100/GOOD 2905 16 100/GOOD 2526 18 WHITEHORSE 26/POOR 966 8 100/GOOD 1983 17 100/GOOD 1873 12 DAWSON 16/POOR 434 18 69/GOOD 902 8 59/GOOD 827 12 WATSON LAKE 30/POOR 957 13 100/GOOD 2189 9 100/GOOD 2888 16 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 30 SW 48 WATSON LAKE SW 28 SW 26 WHITEHORSE S 17 S 19 MAYO E 19 W 19 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 21/POOR 116 14 25/POOR 182 11 26/POOR 217 18 FRASER VLY 20/POOR 158 19 65/GOOD 714 10 43/FAIR 492 13 SRN VRISL 27/POOR 183 20 26/POOR 160 13 34/FAIR 259 12 CNTRL VRISL 23/POOR 173 16 38/FAIR 395 10 47/FAIR 705 8 NRN VRISL 24/POOR 190 13 37/FAIR 362 15 37/FAIR 647 14 TERRACE 39/FAIR 1113 9 39/FAIR 1321 1 53/FAIR 1434 4 STEWART 37/FAIR 602 11 19/POOR 389 3 27/POOR 240 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 11 W 13 NW 35 SANDSPIT SW 77 SW 83 SW 91 PORT HARDY S 48 SW 39 W 44 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^