FPCN39 CWLW 101400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 10 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 55/GOOD 715 12 100/GOOD 2039 14 100/GOOD 2482 14 KAMLOOPS 73/GOOD 865 19 100/GOOD 2630 12 100/GOOD 2690 10 OKANAGAN 82/GOOD 997 15 100/GOOD 2477 11 100/GOOD 2729 17 CASTLEGAR 50/FAIR 867 16 100/GOOD 2248 10 100/GOOD 2750 13 CRANBROOK 21/POOR 1100 10 100/GOOD 3288 16 100/GOOD 3239 22 REVELSTOKE 37/FAIR 809 11 100/GOOD 2273 10 100/GOOD 1556 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 22 W 30 CRANBROOK S 11 SW 24 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 81/GOOD 1136 16 100/GOOD 2657 9 100/GOOD 2607 13 100 MILE 62/GOOD 1341 20 100/GOOD 3359 6 100/GOOD 2653 10 WILLIAMS LK 90/GOOD 1449 23 100/GOOD 3357 9 100/GOOD 3163 11 PUNTZI MNT 71/GOOD 1677 10 100/GOOD 3319 7 100/GOOD 3434 12 PR. GEORGE 74/GOOD 1294 16 100/GOOD 2650 8 100/GOOD 2746 18 BURNS LAKE 89/GOOD 1308 18 100/GOOD 2236 10 100/GOOD 2026 16 SMITHERS 85/GOOD 1069 17 100/GOOD 1808 11 100/GOOD 1786 17 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 19 SW 43 SMITHERS W 20 W 24 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 97/GOOD 987 18 100/GOOD 2177 14 100/GOOD 2215 12 FT STJOHN 26/POOR 829 26 100/GOOD 2207 19 100/GOOD 2309 9 WHITEHORSE 45/FAIR 1046 16 70/GOOD 2035 7 100/GOOD 2584 20 DAWSON 17/POOR 463 11 100/GOOD 2631 10 100/GOOD 1398 25 WATSON LAKE 20/POOR 846 9 75/FAIR 2391 9 100/GOOD 2555 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 13 E 11 WATSON LAKE E 37 E 41 WHITEHORSE N 26 N 20 MAYO N 20 N 13 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 36/FAIR 303 18 61/GOOD 714 21 51/FAIR 570 11 FRASER VLY 16/POOR 157 9 82/GOOD 1117 13 87/GOOD 1026 12 SRN VRISL 20/POOR 188 10 49/FAIR 463 16 44/FAIR 334 16 CNTRL VRISL 37/FAIR 275 24 66/GOOD 983 14 75/GOOD 1124 2 NRN VRISL 51/FAIR 297 27 100/GOOD 902 29 100/GOOD 813 23 TERRACE 38/FAIR 647 9 80/GOOD 1624 8 100/GOOD 1294 11 STEWART 47/FAIR 510 9 68/GOOD 652 15 65/GOOD 614 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 W 22 W 35 SANDSPIT NW 33 NW 35 W 44 PORT HARDY NW 29 NW 30 W 30 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/WJW $$$$^^