FPCN39 CWLW 131500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST MONDAY 13 DECEMBER 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 53/FAIR 525 21 80/GOOD 628 20 15/POOR 283 15 KAMLOOPS 35/FAIR 515 17 100/GOOD 1055 30 35/FAIR 563 21 OKANAGAN 38/FAIR 643 12 100/GOOD 913 25 36/FAIR 579 26 CASTLEGAR 29/POOR 672 17 53/FAIR 777 24 24/POOR 634 21 CRANBROOK 86/GOOD 1358 26 100/GOOD 1569 28 67/GOOD 1373 20 REVELSTOKE 85/GOOD 1000 16 63/GOOD 875 19 29/POOR 704 11 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 9. SW 30 W 69 CRANBROOK SW 24 W 67 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 19/POOR 628 22 51/FAIR 816 22 39/FAIR 852 13 100 MILE 25/POOR 1044 31 100/GOOD 1433 30 34/FAIR 1172 20 WILLIAMS LK 16/POOR 991 24 35/FAIR 1124 27 18/POOR 1042 16 PUNTZI MNT 19/POOR 978 34 100/GOOD 1803 27 16/POOR 991 4 PR. GEORGE 19/POOR 774 22 43/FAIR 982 15 20/POOR 855 13 BURNS LAKE 14/POOR 751 21 20/POOR 829 7 20/POOR 842 14 SMITHERS 15/POOR 591 16 25/POOR 762 9 23/POOR 715 14 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 48 W 61 SMITHERS W 43 W 61 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 33/POOR 886 15 51/FAIR 784 13 20/POOR 800 6 FT STJOHN 47/FAIR 1031 16 39/FAIR 995 18 23/POOR 1088 10 WHITEHORSE 52/FAIR 1071 13 22/POOR 832 16 18/POOR 792 19 DAWSON 13/POOR 391 20 18/POOR 439 22 17/POOR 421 29 WATSON LAKE 100/GOOD 1284 21 16/POOR 741 20 44/FAIR 997 17 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 26 E 46 WATSON LAKE E 33 E 35 WHITEHORSE NE 15 E 13 MAYO NE 11 0 0 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 50/FAIR 393 9 84/GOOD 321 39 13/POOR 18 26 FRASER VLY 30/POOR 255 17 20/POOR 139 26 15/POOR 103 31 SRN VRISL 100/GOOD 491 28 100/GOOD 499 33 22/POOR 78 40 CNTRL VRISL 78/GOOD 343 26 100/GOOD 644 31 20/POOR 108 29 NRN VRISL 72/GOOD 300 33 90/GOOD 361 38 22/POOR 144 16 TERRACE 14/POOR 270 14 19/POOR 392 6 41/FAIR 640 11 STEWART 15/POOR 88 10 15/POOR 95 11 21/POOR 141 12 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 42 W 61 W 63 SANDSPIT W 38 W 48 W 52 PORT HARDY W 44 W 59 W 59 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^