FPCN39 CWLW 111400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 11 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 80/GOOD 724 17 80/GOOD 724 17 100/GOOD 1453 12 KAMLOOPS 93/GOOD 1022 15 80/GOOD 1418 12 100/GOOD 1754 15 OKANAGAN 100/GOOD 1108 16 100/GOOD 1433 17 100/GOOD 1825 10 CASTLEGAR 100/GOOD 1549 11 100/GOOD 2292 12 100/GOOD 2873 13 CRANBROOK 100/GOOD 1660 18 100/GOOD 2431 13 100/GOOD 2578 7 REVELSTOKE 100/GOOD 1329 10 79/GOOD 1686 5 100/GOOD 2093 4 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 11 SW 24 CRANBROOK W 17 W 44 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 96/GOOD 1083 21 100/GOOD 2715 15 100/GOOD 2842 4 100 MILE 100/GOOD 1647 16 100/GOOD 2733 7 97/GOOD 2502 12 WILLIAMS LK 51/FAIR 1250 20 100/GOOD 2636 10 100/GOOD 2862 13 PUNTZI MNT 100/GOOD 1837 19 100/GOOD 3107 7 100/GOOD 3125 22 PR. GEORGE 95/GOOD 1161 25 100/GOOD 3169 19 100/GOOD 3065 10 BURNS LAKE 100/GOOD 1317 23 100/GOOD 2553 14 100/GOOD 2701 10 SMITHERS 98/GOOD 1067 19 100/GOOD 2186 10 100/GOOD 1862 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE E 41 E 37 SMITHERS E 35 E 28 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 12/POOR 418 6 87/GOOD 3396 2 100/GOOD 3579 15 FT STJOHN 100/GOOD 1349 19 100/GOOD 2722 12 100/GOOD 3487 13 WHITEHORSE 100/GOOD 1650 22 100/GOOD 3030 12 100/GOOD 2819 12 DAWSON 13/POOR 433 7 100/GOOD 2033 21 100/GOOD 3013 17 WATSON LAKE 61/GOOD 1568 7 100/GOOD 3397 12 100/GOOD 2892 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 22 E 22 WATSON LAKE SE 20 E 9 WHITEHORSE SW 17 SW 19 MAYO NE 13 0 0 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 38/FAIR 336 12 38/FAIR 336 12 39/FAIR 701 10 FRASER VLY 50/FAIR 450 19 50/FAIR 450 19 60/GOOD 1300 7 SRN VRISL 100/GOOD 794 29 100/GOOD 567 30 24/POOR 539 5 CNTRL VRISL 100/GOOD 773 24 97/GOOD 689 13 58/GOOD 1136 6 NRN VRISL 62/GOOD 380 23 100/GOOD 874 25 52/FAIR 1009 5 TERRACE 93/GOOD 755 17 100/GOOD 2103 8 87/GOOD 1350 10 STEWART 33/POOR 218 18 90/GOOD 786 13 49/FAIR 570 9 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 12 SW 19 SW 13 SANDSPIT NE 20 NE 35 NE 43 PORT HARDY NW 33 N 26 N 15 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JDG $$$$^^