FPCN39 CWLW 201500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST MONDAY 20 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 15/POOR 286 10 21/POOR 359 10 18/POOR 414 6 KAMLOOPS 17/POOR 418 10 13/POOR 368 10 23/POOR 584 9 OKANAGAN 19/POOR 670 10 22/POOR 697 10 25/POOR 500 8 CASTLEGAR 19/POOR 597 21 25/POOR 894 10 56/POOR 984 10 CRANBROOK 33/POOR 1105 25 25/POOR 1099 10 31/POOR 1173 18 REVELSTOKE 28/GOOD 552 17 20/POOR 574 18 28/POOR 716 12 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 12 NW 39 NW 74 CRANBROOK NW 20 NW 70 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 18/POOR 626 19 13/POOR 567 16 14/POOR 609 16 100 MILE 11/POOR 732 18 15/POOR 980 10 17/POOR 1056 9 WILLIAMS LK 10/POOR 1024 14 13/POOR 966 16 15/POOR 1026 8 PUNTZI MNT 21/POOR 996 19 25/POOR 1170 13 26/POOR 1113 24 PR. GEORGE 15/POOR 517 15 13/POOR 708 14 19/POOR 790 22 BURNS LAKE 11/POOR 745 14 19/POOR 783 10 13/POOR 742 30 SMITHERS 25/GOOD 665 12 32/POOR 673 18 13/POOR 551 29 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 59 NW 89 SMITHERS W 67 W 106 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 448 11 14/POOR 409 38 13/POOR 394 33 FT STJOHN 28/POOR 801 40 15/POOR 721 42 14/POOR 715 45 WHITEHORSE 14/POOR 730 43 12/POOR 712 27 15/POOR 722 41 DAWSON 12/POOR 385 17 14/POOR 404 7 12/POOR 385 25 WATSON LAKE 13/POOR 714 22 14/POOR 713 26 12/POOR 697 39 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 54 W 91 WATSON LAKE W 57 W 91 WHITEHORSE SW 56 W 93 MAYO SW 26 W 54 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 227 1 16/POOR 218 5 14/POOR 49 11 FRASER VLY 12/POOR 91 2 18/POOR 394 7 16/POOR 155 10 SRN VRISL 21/POOR 318 5 14/POOR 178 2 16/POOR 98 12 CNTRL VRISL 22/POOR 277 9 17/POOR 234 7 14/POOR 168 7 NRN VRISL 16/POOR 86 11 22/POOR 159 10 15/POOR 109 9 TERRACE 14/POOR 288 10 14/POOR 277 17 12/POOR 235 18 STEWART 33/POOR 184 26 13/POOR 47 18 13/POOR 44 24 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 14 NW 48 NW 87 SANDSPIT W 53 W 76 W 85 PORT HARDY W 18 NW 61 NW 80 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JDG $$$$^^