FPCN39 CWLW 181500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 18 NOVEMBER 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 0/POOR 551 11 54/FAIR 878 13 56/GOOD 503 20 KAMLOOPS 31/POOR 628 3 54/FAIR 1175 19 56/GOOD 822 26 OKANAGAN 31/POOR 1108 2 54/FAIR 1307 22 56/GOOD 904 29 CASTLEGAR 17/POOR 611 12 54/FAIR 1419 11 56/GOOD 1069 19 CRANBROOK 22/POOR 1086 16 54/FAIR 1790 14 56/GOOD 1381 20 REVELSTOKE 30/POOR 985 5 54/FAIR 1147 10 56/GOOD 703 17 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON NW 9. NW 22 NW 41 CRANBROOK 0 0 W 15 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 15/POOR 612 9 50/FAIR 1187 28 50/FAIR 634 32 100 MILE 18/POOR 1064 6 50/FAIR 1700 27 50/FAIR 1272 33 WILLIAMS LK 15/POOR 996 9 50/FAIR 1653 27 50/FAIR 977 31 PUNTZI MNT 17/POOR 998 16 48/FAIR 1244 21 50/FAIR 980 23 PR. GEORGE 18/POOR 859 6 31/POOR 913 20 50/FAIR 706 29 BURNS LAKE 26/POOR 889 16 38/FAIR 964 20 50/FAIR 737 19 SMITHERS 18/POOR 629 16 44/FAIR 824 19 50/FAIR 585 15 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 19 W 28 SMITHERS SW 11 SW 26 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 412 10 13/POOR 440 5 13/POOR 445 2 FT STJOHN 13/POOR 721 14 13/POOR 742 16 16/POOR 749 23 WHITEHORSE 13/POOR 734 16 21/POOR 828 20 14/POOR 733 28 DAWSON 13/POOR 393 6 14/POOR 429 25 13/POOR 382 38 WATSON LAKE 12/POOR 710 2 13/POOR 774 4 16/POOR 738 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 17 SW 24 WATSON LAKE SW 19 SW 19 WHITEHORSE S 22 SW 26 MAYO S 35 S 31 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 53/FAIR 286 27 50/FAIR 64 35 55/GOOD 21 48 FRASER VLY 19/POOR 150 16 50/FAIR 245 20 55/GOOD 80 33 SRN VRISL 37/FAIR 203 23 50/FAIR 99 32 55/GOOD 52 28 CNTRL VRISL 52/FAIR 333 20 50/FAIR 271 32 55/GOOD 52 22 NRN VRISL 26/POOR 110 40 60/GOOD 54 50 55/GOOD 31 28 TERRACE 18/POOR 333 15 56/GOOD 338 16 55/GOOD 272 9 STEWART 17/POOR 113 12 53/FAIR 48 17 55/GOOD 45 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 16 W 20 W 15 SANDSPIT S 40 S 41 S 39 PORT HARDY S 22 S 30 S 31 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/J $$$$^^