FPCN39 CWLW 111500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 11 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 52/FAIR 584 17 54/FAIR 664 22 47/FAIR 505 12 KAMLOOPS 32/POOR 523 24 45/FAIR 800 32 14/POOR 375 19 OKANAGAN 30/POOR 496 23 52/FAIR 829 20 40/FAIR 765 17 CASTLEGAR 34/FAIR 666 12 48/FAIR 660 21 12/POOR 505 25 CRANBROOK 41/FAIR 1249 17 43/FAIR 1270 22 28/POOR 1048 33 REVELSTOKE 28/POOR 523 13 34/FAIR 683 23 34/FAIR 632 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 22 SW 46 CRANBROOK SW 17 SW 46 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 686 24 100/GOOD 1036 27 15/POOR 580 19 100 MILE 36/FAIR 1101 30 46/FAIR 1150 37 14/POOR 960 13 WILLIAMS LK 15/POOR 986 27 54/FAIR 1347 30 13/POOR 953 11 PUNTZI MNT 16/POOR 971 18 44/FAIR 1140 27 14/POOR 940 18 PR. GEORGE 19/POOR 770 24 75/GOOD 1118 24 43/FAIR 845 25 BURNS LAKE 21/POOR 820 20 39/FAIR 941 20 100/GOOD 1328 16 SMITHERS 18/POOR 607 22 43/FAIR 873 17 100/GOOD 1171 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 30 SW 39 SMITHERS S 35 S 54 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 414 10 14/POOR 503 7 30/POOR 540 30 FT STJOHN 12/POOR 717 9 16/POOR 770 17 15/POOR 734 23 WHITEHORSE 15/POOR 763 11 13/POOR 750 15 13/POOR 732 22 DAWSON 13/POOR 491 2 12/POOR 403 5 15/POOR 424 20 WATSON LAKE 12/POOR 706 15 12/POOR 706 6 12/POOR 706 14 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 20 S 39 WATSON LAKE SE 22 S 30 WHITEHORSE SE 26 SE 30 MAYO S 17 SW 41 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 43/FAIR 176 35 50/FAIR 450 62 16/POOR 63 5 FRASER VLY 24/POOR 163 23 34/FAIR 382 44 33/POOR 268 4 SRN VRISL 44/FAIR 204 30 48/FAIR 331 43 20/POOR 156 2 CNTRL VRISL 46/FAIR 263 27 48/FAIR 357 36 48/FAIR 552 7 NRN VRISL 14/POOR 47 25 52/FAIR 538 20 63/GOOD 829 4 TERRACE 15/POOR 298 15 42/FAIR 372 10 16/POOR 307 10 STEWART 14/POOR 68 16 38/POOR 362 11 24/POOR 227 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 38 S 50 SW 52 SANDSPIT S 38 S 44 S 50 PORT HARDY S 33 S 44 SW 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^