FPCN39 CWLW 071400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 7 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 24/POOR 473 9 85/GOOD 2637 5 100/GOOD 2707 8 KAMLOOPS 33/POOR 632 13 57/GOOD 3267 4 100/GOOD 3053 8 OKANAGAN 29/POOR 746 10 100/GOOD 2995 6 100/GOOD 3205 6 CASTLEGAR 24/POOR 738 9 95/GOOD 2608 5 100/GOOD 3002 7 CRANBROOK 40/FAIR 1374 9 100/GOOD 3318 5 96/GOOD 3366 5 REVELSTOKE 26/POOR 687 10 100/GOOD 3074 4 67/GOOD 2063 2 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 17 W 28 CRANBROOK W 15 W 41 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 708 11 100/GOOD 3634 6 100/GOOD 3629 4 100 MILE 31/POOR 1192 14 84/GOOD 3532 6 100/GOOD 3101 5 WILLIAMS LK 24/POOR 1131 10 75/GOOD 3924 5 100/GOOD 3286 7 PUNTZI MNT 55/GOOD 1582 11 75/GOOD 3596 5 100/GOOD 3664 9 PR. GEORGE 22/POOR 841 12 100/GOOD 3370 11 76/GOOD 3001 2 BURNS LAKE 45/FAIR 1001 20 100/GOOD 3308 11 100/GOOD 3640 5 SMITHERS 72/GOOD 1127 15 100/GOOD 2685 10 100/GOOD 3458 6 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 30 W 19 SMITHERS W 13 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 22/POOR 522 14 100/GOOD 2614 10 100/GOOD 3332 3 FT STJOHN 57/GOOD 1383 11 83/GOOD 2097 8 91/GOOD 2811 5 WHITEHORSE 24/POOR 931 9 100/GOOD 2177 10 95/GOOD 2597 10 DAWSON 12/POOR 391 7 100/GOOD 2642 4 100/GOOD 3341 12 WATSON LAKE 18/POOR 801 10 91/GOOD 3377 3 77/GOOD 3310 8 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 20 SE 37 WATSON LAKE E 33 E 26 WHITEHORSE E 28 E 31 MAYO E 17 NE 9 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 186 6 60/GOOD 1290 15 70/GOOD 779 5 FRASER VLY 17/POOR 165 10 86/GOOD 1947 12 100/GOOD 1793 12 SRN VRISL 25/POOR 247 11 55/GOOD 1200 8 65/GOOD 616 7 CNTRL VRISL 24/POOR 240 12 55/GOOD 1443 5 89/GOOD 1582 2 NRN VRISL 41/FAIR 448 15 65/GOOD 1176 22 55/GOOD 1041 20 TERRACE 31/POOR 868 6 56/GOOD 2195 3 77/GOOD 1968 3 STEWART 33/POOR 416 9 55/GOOD 1846 7 60/GOOD 1558 8 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 20 SW 24 SW 24 SANDSPIT S 24 SE 30 SE 35 PORT HARDY S 20 S 24 S 30 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^