FPCN39 CWLW 211431 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 21 NOVEMBER 2000 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 13/POOR 278 10 21/POOR 523 7 35/FAIR 657 19 KAMLOOPS 20/POOR 459 17 32/POOR 713 11 24/POOR 563 18 OKANAGAN 18/POOR 511 23 51/FAIR 825 16 26/POOR 692 19 CASTLEGAR 20/POOR 611 19 30/POOR 864 9 25/POOR 828 7 CRANBROOK 12/POOR 970 2 18/POOR 1179 4 25/POOR 1192 9 REVELSTOKE 17/POOR 532 19 36/FAIR 791 13 20/POOR 715 11 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 15 SW 15 CRANBROOK 0 0 SW 17 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 34/FAIR 715 29 38/FAIR 788 22 28/POOR 652 35 100 MILE 36/FAIR 1121 26 41/FAIR 1214 22 32/POOR 1111 32 WILLIAMS LK 26/POOR 1078 26 35/FAIR 1204 19 25/POOR 1052 34 PUNTZI MNT 16/POOR 999 10 15/POOR 1042 7 45/FAIR 1127 30 PR. GEORGE 16/POOR 741 24 21/POOR 788 22 16/POOR 733 37 BURNS LAKE 18/POOR 828 14 12/POOR 737 16 14/POOR 735 36 SMITHERS 21/POOR 664 16 13/POOR 557 15 13/POOR 545 32 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 30 SW 35 SMITHERS S 41 SW 50 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 12/POOR 404 8 13/POOR 436 10 14/POOR 407 34 FT STJOHN 13/POOR 718 27 12/POOR 713 21 13/POOR 716 25 WHITEHORSE 13/POOR 724 32 12/POOR 714 32 18/POOR 788 22 DAWSON 13/POOR 382 31 12/POOR 376 31 23/POOR 489 22 WATSON LAKE 12/POOR 705 15 12/POOR 709 15 12/POOR 704 29 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 43 SW 72 WATSON LAKE SW 43 SW 67 WHITEHORSE S 46 S 69 MAYO S 48 SW 44 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 19/POOR 70 25 20/POOR 141 15 18/POOR 54 30 FRASER VLY 15/POOR 110 19 23/POOR 293 7 31/POOR 223 20 SRN VRISL 20/POOR 104 22 14/POOR 108 9 20/POOR 139 23 CNTRL VRISL 22/POOR 151 22 23/POOR 283 10 31/POOR 234 23 NRN VRISL 16/POOR 63 29 17/POOR 65 24 14/POOR 36 54 TERRACE 17/POOR 283 16 12/POOR 227 17 12/POOR 229 30 STEWART 15/POOR 93 15 12/POOR 36 20 12/POOR 29 31 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 14 S 11 SW 17 SANDSPIT S 55 S 65 S 61 PORT HARDY S 38 S 39 S 41 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/