FPCN39 CWLW 231400 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 SATURDAY 23 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 17/POOR 302 10 78/GOOD 1081 25 100/GOOD 899 14 KAMLOOPS 25/POOR 478 10 82/GOOD 1059 24 100/GOOD 1649 20 OKANAGAN 22/POOR 521 08 32/POOR 793 10 100/GOOD 1494 18 CASTLEGAR 15/POOR 552 09 32/POOR 927 10 100/GOOD 1714 16 CRANBROOK 13/POOR 977 09 32/POOR 1386 7 100/GOOD 1747 21 REVELSTOKE 18/POOR 529 08 38/FAIR 851 22 100/GOOD 1049 17 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 19 SW 30 CRANBROOK 0 0 W 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 71/GOOD 817 36 100/GOOD 1201 38 100/GOOD 2437 22 100 MILE 51/FAIR 1149 34 100/GOOD 1578 39 100/GOOD 2945 19 WILLIAMS LK 54/FAIR 1164 33 100/GOOD 1525 36 100/GOOD 3026 19 PUNTZI MNT 16/POOR 955 26 100/GOOD 2329 30 100/GOOD 2691 24 PR. GEORGE 34/FAIR 825 37 98/GOOD 1089 35 100/GOOD 2212 29 BURNS LAKE 20/POOR 791 31 67/GOOD 1200 25 100/GOOD 1756 28 SMITHERS 19/POOR 600 29 72/GOOD 1300 30 100/GOOD 1383 21 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 43 SW 54 SMITHERS S 54 S 93 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 23/POOR 484 27 32/POOR 575 27 68/GOOD 680 30 FT STJOHN 17/POOR 754 23 43/FAIR 974 32 74/GOOD 890 44 WHITEHORSE 100/GOOD 1186 25 100/GOOD 1281 26 27/POOR 918 9 DAWSON 13/POOR 391 15 33/POOR 500 28 20/POOR 527 19 WATSON LAKE 35/FAIR 856 31 16/POOR 736 33 100/GOOD 1276 24 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 33 SW 61 WATSON LAKE S 19 S 37 WHITEHORSE S 26 SW 43 MAYO SW 35 SW 37 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 46/FAIR 150 28 67/GOOD 295 51 41/FAIR 238 21 FRASER VLY 14/POOR 90 22 66/GOOD 696 33 40/FAIR 365 13 SRN VRISL 14/POOR 47 10 43/FAIR 212 38 62/GOOD 339 16 CNTRL VRISL 23/POOR 93 19 73/GOOD 400 34 100/GOOD 903 14 NRN VRISL 53/FAIR 314 39 44/FAIR 300 25 100/GOOD 531 31 TERRACE 37/FAIR 848 24 66/GOOD 1000 12 71/GOOD 672 18 STEWART 64/GOOD 495 25 62/GOOD 1000 12 56/GOOD 346 15 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 22 S 41 S 52 SANDSPIT S 68 S 80 S 94 PORT HARDY S 51 S 76 S 83 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^