FPCN39 CWLW 201400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 20 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 95/GOOD 934 14 100/GOOD 1385 14 92/GOOD 1493 9 KAMLOOPS 95/GOOD 894 21 100/GOOD 2094 19 100/GOOD 1852 8 OKANAGAN 100/GOOD 1388 13 100/GOOD 2472 15 64/GOOD 2000 3 CASTLEGAR 100/GOOD 1478 11 100/GOOD 2498 11 94/GOOD 2320 6 CRANBROOK 100/GOOD 2250 14 100/GOOD 3215 16 100/GOOD 2956 12 REVELSTOKE 100/GOOD 1286 9 100/GOOD 2042 12 62/GOOD 1679 5 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 19 W 35 CRANBROOK SW 17 SW 46 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 17/POOR 633 12 100/GOOD 1909 14 100/GOOD 1832 13 100 MILE 56/GOOD 1342 19 100/GOOD 2532 12 100/GOOD 2697 10 WILLIAMS LK 29/POOR 1134 18 100/GOOD 2554 11 100/GOOD 2606 9 PUNTZI MNT 16/POOR 983 18 100/GOOD 2134 19 100/GOOD 2434 17 PR. GEORGE 28/POOR 830 22 100/GOOD 1755 17 34/FAIR 907 17 BURNS LAKE 34/FAIR 914 21 65/GOOD 1011 22 100/GOOD 1583 24 SMITHERS 65/GOOD 1078 17 70/GOOD 1000 18 100/GOOD 1200 26 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 26 SW 26 SMITHERS W 24 W 15 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 22/POOR 479 27 100/GOOD 2187 13 100/GOOD 2605 17 FT STJOHN 58/GOOD 944 34 100/GOOD 2571 36 100/GOOD 2024 34 WHITEHORSE 100/GOOD 1410 15 100/GOOD 1621 14 100/GOOD 2024 19 DAWSON 18/POOR 465 15 79/GOOD 2557 5 100/GOOD 2435 10 WATSON LAKE 19/POOR 793 17 100/GOOD 1854 19 100/GOOD 2371 16 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 19 W 30 WATSON LAKE W 31 W 30 WHITEHORSE SW 28 W 30 MAYO W 24 W 22 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 44/FAIR 540 9 45/FAIR 608 7 24/POOR 461 5 FRASER VLY 24/POOR 397 4 88/GOOD 1196 9 42/FAIR 1033 7 SRN VRISL 16/POOR 140 8 22/POOR 229 6 16/POOR 373 1 CNTRL VRISL 29/POOR 321 11 65/GOOD 793 6 23/POOR 805 3 NRN VRISL 22/POOR 127 20 33/POOR 264 13 47/FAIR 396 15 TERRACE 81/GOOD 713 17 72/GOOD 659 18 29/POOR 375 24 STEWART 56/GOOD 406 15 31/POOR 212 19 29/POOR 166 25 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 25 SW 33 SW 39 SANDSPIT 0 0 NE 9 NE 11 PORT HARDY S 20 S 20 S 22 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^