FPCN39 CWLW 091400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 9 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 100/GOOD 566 48 100/GOOD 1641 57 100/GOOD 1922 55 KAMLOOPS 71/GOOD 743 23 100/GOOD 2053 22 100/GOOD 2517 16 OKANAGAN 58/GOOD 805 17 100/GOOD 2497 15 100/GOOD 2600 12 CASTLEGAR 15/POOR 604 3 100/GOOD 2108 13 100/GOOD 2563 11 CRANBROOK 14/POOR 1023 4 100/GOOD 2581 20 100/GOOD 2709 18 REVELSTOKE 25/POOR 654 11 100/GOOD 1644 13 100/GOOD 2238 11 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 11 W 13 CRANBROOK NW 9 W 26 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 19/POOR 638 11 100/GOOD 2723 13 100/GOOD 2514 8 100 MILE 32/POOR 1143 20 100/GOOD 3449 10 100/GOOD 3173 5 WILLIAMS LK 21/POOR 1092 11 100/GOOD 3612 9 100/GOOD 3331 6 PUNTZI MNT 51/FAIR 1294 19 100/GOOD 3610 20 100/GOOD 3417 10 PR. GEORGE 13/POOR 738 4 100/GOOD 2914 19 100/GOOD 2496 12 BURNS LAKE 100/GOOD 1845 15 100/GOOD 2675 21 100/GOOD 2467 17 SMITHERS 100/GOOD 1568 14 100/GOOD 2361 18 100/GOOD 1364 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 17 W 28 SMITHERS W 30 W 43 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 39/FAIR 595 24 53/FAIR 678 27 34/FAIR 594 19 FT STJOHN 100/GOOD 1254 27 100/GOOD 1704 9 100/GOOD 2284 21 WHITEHORSE 100/GOOD 1621 13 100/GOOD 2440 15 76/GOOD 1968 8 DAWSON 39/FAIR 597 22 100/GOOD 2293 14 100/GOOD 2436 11 WATSON LAKE 100/GOOD 1238 28 100/GOOD 1735 9 79/GOOD 2448 3 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 15 S 22 WATSON LAKE NE 11 0 0 WHITEHORSE NE 22 NE 13 MAYO NE 15 NE 11 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 16/POOR 119 11 32/POOR 391 8 50/FAIR 559 11 FRASER VLY 16/POOR 144 11 77/GOOD 924 11 79/GOOD 982 12 SRN VRISL 18/POOR 116 13 27/POOR 315 3 38/FAIR 364 12 CNTRL VRISL 24/POOR 223 12 43/FAIR 785 4 62/GOOD 1075 4 NRN VRISL 66/GOOD 455 21 100/GOOD 975 31 100/GOOD 901 23 TERRACE 87/GOOD 1237 9 100/GOOD 1762 13 89/GOOD 1024 10 STEWART 74/GOOD 881 9 80/GOOD 1008 8 70/GOOD 807 9 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 0 0 NW 17 SANDSPIT W 29 W 46 W 65 PORT HARDY N 37 N 39 N 37 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^