FPCN39 CWLW 111400 SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 11 OCTOBER 1999 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 60/GOOD 968 10 96/GOOD 1035 10 100/GOOD 1963 12 KAMLOOPS 65/GOOD 950 10 72/GOOD 1079 11 99/GOOD 1790 7 OKANAGAN 34/FAIR 830 10 55/GOOD 1100 9 100/GOOD 1894 11 CASTLEGAR 48/FAIR 938 8 56/GOOD 1100 11 100/GOOD 2108 10 CRANBROOK 44/FAIR 1258 7 55/GOOD 1323 13 100/GOOD 2754 16 REVELSTOKE 39/FAIR 865 3 41/FAIR 922 8 92/GOOD 1650 9 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 22 W 54 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 22/POOR 643 10 63/GOOD 1229 5 100/GOOD 2588 15 100 MILE 100/GOOD 1872 14 100/GOOD 2807 15 100/GOOD 2777 6 WILLIAMS LK 45/FAIR 1271 9 100/GOOD 2840 14 100/GOOD 2640 9 PUNTZI MNT 36/FAIR 1096 10 100/GOOD 2248 16 100/GOOD 3343 19 PR. GEORGE 55/GOOD 949 14 100/GOOD 1707 18 100/GOOD 2041 14 BURNS LAKE 23/POOR 856 15 100/GOOD 1642 18 100/GOOD 2109 22 SMITHERS 33/POOR 762 10 100/GOOD 1503 15 100/GOOD 1749 22 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 48 W 46 SMITHERS SW 41 SW 54 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 14/POOR 425 23 100/GOOD 1546 10 100/GOOD 1785 13 FT STJOHN 74/GOOD 996 36 100/GOOD 2124 27 100/GOOD 2408 25 WHITEHORSE 24/POOR 839 20 100/GOOD 1709 14 100/GOOD 2153 12 DAWSON 16/POOR 453 10 31/POOR 767 11 45/FAIR 921 10 WATSON LAKE 23/POOR 813 23 100/GOOD 1892 20 100/GOOD 2329 11 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 30 SW 48 WATSON LAKE W 43 W 37 WHITEHORSE SW 28 SW 31 MAYO 0 0 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 35/FAIR 230 16 45/FAIR 650 9 55/GOOD 629 8 FRASER VLY 22/POOR 215 10 46/FAIR 256 8 95/GOOD 1178 12 SRN VRISL 21/POOR 133 7 39/FAIR 225 16 54/FAIR 790 9 CNTRL VRISL 29/POOR 433 7 69/GOOD 565 14 100/GOOD 1239 7 NRN VRISL 15/POOR 86 17 65/GOOD 535 18 95/GOOD 672 27 TERRACE 43/FAIR 576 15 73/GOOD 832 11 100/GOOD 992 15 STEWART 28/POOR 226 15 51/FAIR 404 13 46/FAIR 315 14 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 9. SW 35 SW 57 SANDSPIT W 35 W 35 W 37 PORT HARDY SW 37 SW 39 SW 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^