FPCN39 CWLW 271500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 27 JANUARY 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 23/POOR 390 15 25/POOR 932 6 38/FAIR 604 9 KAMLOOPS 13/POOR 401 13 31/POOR 995 9 26/POOR 616 10 OKANAGAN 26/POOR 672 15 54/FAIR 1208 6 30/POOR 880 4 CASTLEGAR 17/POOR 573 20 81/GOOD 1238 11 17/POOR 895 1 CRANBROOK 24/POOR 1057 22 57/GOOD 1636 10 24/POOR 1353 6 REVELSTOKE 19/POOR 587 12 51/FAIR 1054 9 16/POOR 715 2 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 26 N 20 CRANBROOK N 11 N 26 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 17/POOR 611 15 23/POOR 660 23 37/FAIR 798 22 100 MILE 14/POOR 1000 9 50/FAIR 1485 17 44/FAIR 1236 21 WILLIAMS LK 15/POOR 1006 12 23/POOR 1142 18 36/FAIR 1178 22 PUNTZI MNT 15/POOR 951 24 78/GOOD 1395 16 22/POOR 1098 14 PR. GEORGE 17/POOR 751 23 27/POOR 834 26 34/FAIR 969 17 BURNS LAKE 21/POOR 804 29 64/GOOD 1013 27 22/POOR 850 22 SMITHERS 26/POOR 631 26 19/POOR 596 26 12/POOR 540 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 30 W 39 SMITHERS SW 65 SW 76 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 16/POOR 434 22 13/POOR 401 28 13/POOR 409 5 FT STJOHN 28/POOR 810 33 33/POOR 817 37 18/POOR 756 26 WHITEHORSE 46/FAIR 854 47 14/POOR 725 35 13/POOR 716 27 DAWSON 38/FAIR 489 46 13/POOR 381 41 15/POOR 397 28 WATSON LAKE 22/POOR 778 27 16/POOR 722 40 13/POOR 705 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 72 SW128 WATSON LAKE SW 89 SW128 WHITEHORSE S 81 SW135 MAYO S 76 SW124 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 21/POOR 177 12 22/POOR 356 8 20/POOR 83 21 FRASER VLY 14/POOR 131 10 37/FAIR 675 8 18/POOR 161 13 SRN VRISL 13/POOR 59 4 31/POOR 367 9 28/POOR 174 17 CNTRL VRISL 16/POOR 110 8 36/FAIR 557 5 43/FAIR 339 18 NRN VRISL 21/POOR 110 22 52/FAIR 311 24 17/POOR 67 36 TERRACE 100/GOOD 772 24 28/POOR 362 26 12/POOR 234 18 STEWART 100/GOOD 457 26 24/POOR 123 30 13/POOR 31 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NE 11 N 15 N 22 SANDSPIT S 74 SW 80 SW 85 PORT HARDY S 35 S 13 NW 17 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^