FPCN39 CWLW 181430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 18 JANUARY 2001 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 280 7 23/POOR 393 15 24/POOR 426 12 KAMLOOPS 16/POOR 453 7 36/FAIR 631 17 38/FAIR 671 14 OKANAGAN 26/POOR 636 13 35/FAIR 694 20 32/POOR 551 13 CASTLEGAR 14/POOR 704 1 21/POOR 763 5 29/POOR 798 7 CRANBROOK 18/POOR 1104 5 24/POOR 1312 10 21/POOR 1149 10 REVELSTOKE 23/POOR 666 9 23/POOR 650 11 16/POOR 589 9 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 17 SW 30 CRANBROOK 0 0 W 24 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 37/FAIR 741 19 37/FAIR 700 31 36/FAIR 966 7 100 MILE 22/POOR 1042 16 39/FAIR 1120 29 31/POOR 1176 10 WILLIAMS LK 22/POOR 1039 16 33/POOR 1093 29 31/POOR 1257 3 PUNTZI MNT 13/POOR 952 4 18/POOR 980 21 53/FAIR 1272 14 PR. GEORGE 26/POOR 827 17 56/GOOD 1044 25 22/POOR 867 13 BURNS LAKE 14/POOR 755 13 22/POOR 804 28 39/FAIR 957 22 SMITHERS 19/POOR 613 20 14/POOR 555 26 15/POOR 589 14 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 48 S 41 SMITHERS S 50 S 67 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 395 22 12/POOR 428 9 15/POOR 428 27 FT STJOHN 21/POOR 791 28 27/POOR 880 19 35/FAIR 862 29 WHITEHORSE 81/GOOD 1600 35 63/GOOD 1200 28 12/POOR 712 12 DAWSON 13/POOR 382 17 12/POOR 374 14 15/POOR 412 15 WATSON LAKE 12/POOR 702 7 13/POOR 723 18 13/POOR 703 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 46 S 80 WATSON LAKE S 37 S 46 WHITEHORSE SE 48 S 78 MAYO S 50 S 67 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 14/POOR 121 9 38/FAIR 299 24 20/POOR 186 8 FRASER VLY 17/POOR 124 16 33/POOR 128 24 24/POOR 313 12 SRN VRISL 20/POOR 100 8 30/POOR 209 28 20/POOR 154 9 CNTRL VRISL 21/POOR 104 8 45/FAIR 299 32 33/POOR 404 8 NRN VRISL 98/GOOD 359 44 96/GOOD 358 40 75/GOOD 559 22 TERRACE 29/POOR 384 15 15/POOR 278 20 26/POOR 409 15 STEWART 24/POOR 234 16 13/POOR 32 25 16/POOR 70 19 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 35 S 46 SW 56 SANDSPIT SW 53 SW 61 S 76 PORT HARDY S 64 S 80 S 74 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC