FPCN39 CWLW 031400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 3 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 100/GOOD 793 18 100/GOOD 1487 19 100/GOOD 1950 16 KAMLOOPS 100/GOOD 1082 23 100/GOOD 1956 30 100/GOOD 2559 25 OKANAGAN 100/GOOD 1391 21 100/GOOD 2057 21 100/GOOD 2843 20 CASTLEGAR 56/GOOD 913 17 63/GOOD 949 16 100/GOOD 2683 17 CRANBROOK 25/POOR 1134 13 100/GOOD 1748 22 100/GOOD 2702 25 REVELSTOKE 37/FAIR 715 15 76/GOOD 1078 12 100/GOOD 1582 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 17 W 31 CRANBROOK 0 0 S 30 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 1230 27 100/GOOD 3159 25 100/GOOD 3655 16 100 MILE 100/GOOD 1557 30 100/GOOD 2907 31 100/GOOD 3193 22 WILLIAMS LK 100/GOOD 1472 27 100/GOOD 3365 27 100/GOOD 3257 18 PUNTZI MNT 27/POOR 1047 22 100/GOOD 3876 27 100/GOOD 3975 25 PR. GEORGE 100/GOOD 1247 26 100/GOOD 2549 16 100/GOOD 3596 13 BURNS LAKE 49/FAIR 975 25 100/GOOD 2897 21 100/GOOD 2931 11 SMITHERS 100/GOOD 1073 21 100/GOOD 3134 19 100/GOOD 2841 10 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE E 17 SE 9 SMITHERS SE 24 S 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 17/POOR 444 26 100/GOOD 2640 13 35/FAIR 584 17 FT STJOHN 100/GOOD 1370 16 100/GOOD 2760 14 100/GOOD 3742 39 WHITEHORSE 43/FAIR 971 20 100/GOOD 3052 23 57/GOOD 2324 10 DAWSON 37/FAIR 553 27 100/GOOD 3392 14 100/GOOD 3113 6 WATSON LAKE 34/FAIR 850 29 100/GOOD 2359 31 50/FAIR 1302 7 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 17 S 24 WATSON LAKE W 15 W 17 WHITEHORSE S 11 S 19 MAYO W 20 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 99/GOOD 476 32 100/GOOD 1007 19 100/GOOD 808 23 FRASER VLY 100/GOOD 562 26 100/GOOD 1464 20 100/GOOD 1275 19 SRN VRISL 92/GOOD 544 24 100/GOOD 967 25 99/GOOD 717 15 CNTRL VRISL 100/GOOD 878 21 100/GOOD 998 21 100/GOOD 939 19 NRN VRISL 100/GOOD 540 30 100/GOOD 692 28 100/GOOD 1434 19 TERRACE 100/GOOD 1465 12 100/GOOD 1769 16 100/GOOD 1521 7 STEWART 35/FAIR 256 16 90/GOOD 292 15 31/POOR 427 6 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 22 W 28 SW 35 SANDSPIT SE 61 S 59 S 54 PORT HARDY S 44 S 43 SW 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^