FPCN39 CWLW 271400 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 WEDNESDAY 27 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 88/GOOD 640 20 100/GOOD 1021 22 100/GOOD 1659 28 KAMLOOPS 96/GOOD 753 25 100/GOOD 1301 33 100/GOOD 1063 40 OKANAGAN 73/GOOD 755 22 100/GOOD 1151 35 100/GOOD 1735 36 CASTLEGAR 71/GOOD 871 19 100/GOOD 1388 23 100/GOOD 1653 25 CRANBROOK 52/FAIR 1299 20 100/GOOD 1943 22 100/GOOD 1145 34 REVELSTOKE 50/FAIR 750 10 50/FAIR 847 24 100/GOOD 1706 21 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 13 NW 20 CRANBROOK W 9 W 19 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 27/POOR 674 28 100/GOOD 1218 41 100/GOOD 1602 39 100 MILE 48/FAIR 1143 28 100/GOOD 1263 46 100/GOOD 1977 41 WILLIAMS LK 24/POOR 1055 28 100/GOOD 1432 40 100/GOOD 1041 42 PUNTZI MNT 23/POOR 1013 27 100/GOOD 1373 38 100/GOOD 1972 45 PR. GEORGE 19/POOR 781 22 100/GOOD 1020 32 100/GOOD 1702 38 BURNS LAKE 27/POOR 851 20 100/GOOD 1243 42 100/GOOD 1539 37 SMITHERS 40/FAIR 734 19 100/GOOD 1147 37 100/GOOD 1536 30 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 33 W 43 SMITHERS SW 39 SW 52 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 13/POOR 420 17 22/POOR 634 19 19/POOR 482 14 FT STJOHN 34/FAIR 863 32 28/POOR 1241 27 41/FAIR 1013 11 WHITEHORSE 20/POOR 800 22 88/GOOD 1094 27 22/POOR 819 23 DAWSON 13/POOR 390 10 36/FAIR 511 38 12/POOR 376 24 WATSON LAKE 13/POOR 756 5 21/POOR 791 29 19/POOR 752 21 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 37 SW 59 WATSON LAKE SW 50 W 63 WHITEHORSE SW 41 SW 65 MAYO SW 44 SW 48 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 63/GOOD 203 49 100/GOOD 342 57 100/GOOD 1014 47 FRASER VLY 16/POOR 109 31 100/GOOD 328 36 100/GOOD 1073 34 SRN VRISL 53/FAIR 247 26 100/GOOD 310 54 100/GOOD 1137 42 CNTRL VRISL 100/GOOD 416 34 100/GOOD 389 48 100/GOOD 1519 38 NRN VRISL 22/POOR 80 48 100/GOOD 374 71 100/GOOD 1037 30 TERRACE 27/POOR 388 17 100/GOOD 724 27 100/GOOD 1230 16 STEWART 26/POOR 138 18 100/GOOD 313 33 100/GOOD 1107 19 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 N 11 NW 22 SANDSPIT S 53 S 52 SW 44 PORT HARDY SE 16 S 17 SW 19 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^