FPCN39 CWLW 141400 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 THURSDAY 14 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 98/GOOD 978 13 100/GOOD 1949 12 88/GOOD 1592 3 KAMLOOPS 82/GOOD 823 21 100/GOOD 1861 18 100/GOOD 1878 15 OKANAGAN 100/GOOD 1498 17 100/GOOD 2233 16 100/GOOD 1933 15 CASTLEGAR 62/GOOD 930 18 100/GOOD 2261 16 100/GOOD 2233 13 CRANBROOK 25/POOR 1089 22 100/GOOD 2735 23 100/GOOD 3013 14 REVELSTOKE 100/GOOD 1350 18 100/GOOD 1605 16 100/GOOD 1818 11 FORCAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 14 W 39 W 70 CRANBROOK W 20 W 59 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 30/POOR 701 24 100/GOOD 1888 23 100/GOOD 1807 8 100 MILE 63/GOOD 1249 27 100/GOOD 2114 24 100/GOOD 2168 11 WILLIAMS LK 36/FAIR 1123 25 100/GOOD 2171 22 100/GOOD 2319 5 PUNTZI MNT 39/FAIR 1086 32 100/GOOD 2433 27 83/GOOD 1907 8 PR. GEORGE 53/FAIR 947 28 100/GOOD 1902 24 100/GOOD 2057 13 BURNS LAKE 31/POOR 853 32 100/GOOD 1446 23 100/GOOD 1890 14 SMITHERS 50/FAIR 800 23 100/GOOD 1359 24 100/GOOD 1455 12 FORCAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 57 W 74 SMITHERS W 52 W 69 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 419 26 73/GOOD 770 24 100/GOOD 1706 10 FT STJOHN 100/GOOD 1358 40 100/GOOD 2236 36 100/GOOD 2749 20 WHITEHORSE 100/GOOD 1544 25 98/GOOD 1159 27 41/FAIR 1046 14 DAWSON 20/POOR 558 8 35/FAIR 953 14 33/POOR 671 5 WATSON LAKE 14/POOR 735 20 100/GOOD 1853 27 100/GOOD 1938 12 FORCAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 26 W 44 WATSON LAKE W 33 W 46 WHITEHORSE W 28 W 43 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 100/GOOD 507 32 94/GOOD 642 29 36/FAIR 610 16 FRASER VLY 36/FAIR 344 17 100/GOOD 1319 17 40/FAIR 1151 8 SRN VRISL 56/GOOD 329 25 59/GOOD 469 12 44/FAIR 519 9 CNTRL VRISL 75/GOOD 425 25 100/GOOD 1104 17 69/GOOD 789 10 NRN VRISL 18/POOR 87 26 100/GOOD 767 18 41/FAIR 551 11 TERRACE 37/FAIR 466 18 100/GOOD 603 14 55/GOOD 705 16 STEWART 26/POOR 169 19 100/GOOD 609 18 27/POOR 199 19 FORCAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 24 W 35 W 56 SANDSPIT W 59 W 67 W 63 PORT HARDY W 29 W 39 W 46 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/TCS $$$$^^