FPCN39 CWLW 311400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 31 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 54/FAIR 1101 11 100/GOOD 2029 10 100/GOOD 1468 2 KAMLOOPS 70/GOOD 1190 19 100/GOOD 2926 14 100/GOOD 2402 14 OKANAGAN 65/GOOD 862 17 86/GOOD 2598 7 100/GOOD 2650 12 CASTLEGAR 41/FAIR 1591 23 100/GOOD 2659 7 100/GOOD 2400 9 CRANBROOK 73/GOOD 1704 22 100/GOOD 2558 14 100/GOOD 2965 9 REVELSTOKE 70/GOOD 1266 19 100/GOOD 2809 10 90/GOOD 2088 4 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 11 0 0 CRANBROOK E 9 SE 22 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 1086 24 100/GOOD 1791 7 100/GOOD 2889 11 100 MILE 100/GOOD 1875 21 100/GOOD 3328 19 100/GOOD 3129 13 WILLIAMS LK 100/GOOD 1652 22 100/GOOD 3254 17 100/GOOD 3063 11 PUNTZI MNT 16/POOR 1005 5 79/GOOD 2164 9 70/GOOD 2635 2 PR. GEORGE 27/POOR 843 21 100/GOOD 2073 15 100/GOOD 2713 8 BURNS LAKE 33/POOR 920 19 100/GOOD 2033 9 92/GOOD 2454 7 SMITHERS 49/FAIR 889 16 100/GOOD 2543 10 100/GOOD 2448 2 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 0 0 SMITHERS N 17 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 20/POOR 499 12 100/GOOD 3085 10 100/GOOD 3094 8 FT STJOHN 31/POOR 863 23 100/GOOD 3053 21 72/GOOD 3113 4 WHITEHORSE 25/POOR 894 14 100/GOOD 2695 7 98/GOOD 2509 8 DAWSON 19/POOR 451 22 100/GOOD 3032 16 90/GOOD 2694 6 WATSON LAKE 36/FAIR 1336 9 65/GOOD 3435 3 100/GOOD 3600 17 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 17 W 9 WATSON LAKE W 24 SW 13 WHITEHORSE N 15 N 22 MAYO E 9 N 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 27/POOR 271 7 70/GOOD 723 14 35/FAIR 564 10 FRASER VLY 43/FAIR 546 15 74/GOOD 927 16 72/GOOD 1085 15 SRN VRISL 50/FAIR 451 20 83/GOOD 812 25 49/FAIR 974 10 CNTRL VRISL 46/FAIR 398 18 65/GOOD 837 16 71/GOOD 1125 15 NRN VRISL 73/GOOD 408 27 89/GOOD 631 20 66/GOOD 822 18 TERRACE 37/FAIR 508 14 100/GOOD 1970 1 72/GOOD 1339 15 STEWART 30/POOR 194 19 54/FAIR 603 13 49/FAIR 592 14 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 0 0 SE 13 SANDSPIT N 31 N 30 N 20 PORT HARDY N 35 N 20 N 11 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^