FPCN39 CWLW 221400 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 FRIDAY 22 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 16/POOR 299 20 53/FAIR 653 16 53/FAIR 655 15 KAMLOOPS 19/POOR 458 15 37/FAIR 681 18 37/FAIR 680 19 OKANAGAN 25/POOR 545 27 47/FAIR 735 24 47/FAIR 737 22 CASTLEGAR 16/POOR 562 18 36/FAIR 917 13 36/FAIR 915 14 CRANBROOK 12/POOR 970 4 42/FAIR 1434 10 42/FAIR 1438 11 REVELSTOKE 18/POOR 532 20 49/FAIR 885 16 49/FAIR 882 17 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 W 13 CRANBROOK W 9 NW 28 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 48/FAIR 762 28 50/FAIR 802 28 100/GOOD 963 31 100 MILE 41/FAIR 1129 28 54/FAIR 1264 27 100/GOOD 1893 32 WILLIAMS LK 37/FAIR 1112 24 46/FAIR 1193 28 99/GOOD 1348 32 PUNTZI MNT 16/POOR 975 12 16/POOR 975 12 100/GOOD 2068 28 PR. GEORGE 37/FAIR 867 29 37/FAIR 867 29 15/POOR 724 33 BURNS LAKE 25/POOR 851 25 25/POOR 851 25 100/GOOD 1375 33 SMITHERS 19/POOR 618 24 22/POOR 629 21 31/POOR 669 31 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 39 W 57 SMITHERS SW 70 SW109 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 421 28 13/POOR 423 25 15/POOR 419 34 FT STJOHN 17/POOR 752 31 17/POOR 752 31 100/GOOD 1932 28 WHITEHORSE 21/POOR 774 39 21/POOR 774 39 31/POOR 948 18 DAWSON 14/POOR 411 21 13/POOR 400 6 16/POOR 446 16 WATSON LAKE 13/POOR 713 25 20/POOR 849 16 13/POOR 706 37 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 56 SW 98 WATSON LAKE SW 57 SW 93 WHITEHORSE S 56 S 96 MAYO E 37 SE 39 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 18/POOR 64 22 19/POOR 115 16 19/POOR 61 47 FRASER VLY 18/POOR 129 17 22/POOR 276 12 72/GOOD 409 32 SRN VRISL 15/POOR 73 10 14/POOR 106 2 17/POOR 62 28 CNTRL VRISL 14/POOR 75 15 30/POOR 277 11 15/POOR 98 15 NRN VRISL 21/POOR 100 28 33/POOR 167 24 14/POOR 41 25 TERRACE 13/POOR 258 22 29/POOR 380 22 27/POOR 330 27 STEWART 26/POOR 286 8 21/POOR 136 20 26/POOR 133 11 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 11 S 9 SW 19 SANDSPIT SW 68 SW 76 SW100 PORT HARDY S 25 SW 35 SW 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^