FPCN39 CWLW 141500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 14 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 100/GOOD 883 19 24/POOR 346 25 88/GOOD 544 28 KAMLOOPS 24/POOR 453 28 13/POOR 379 19 67/GOOD 626 38 OKANAGAN 24/POOR 572 18 20/POOR 512 25 63/GOOD 625 33 CASTLEGAR 30/POOR 731 16 17/POOR 591 16 33/POOR 675 22 CRANBROOK 21/POOR 1031 23 54/FAIR 1368 14 16/POOR 990 31 REVELSTOKE 59/GOOD 888 15 13/POOR 491 16 13/POOR 476 25 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. SW 24 SW 52 CRANBROOK W 17 W 43 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 25/POOR 682 18 16/POOR 590 29 13/POOR 562 23 100 MILE 22/POOR 1032 27 18/POOR 998 32 16/POOR 984 35 WILLIAMS LK 17/POOR 1009 21 17/POOR 995 27 13/POOR 955 30 PUNTZI MNT 22/POOR 1016 25 41/FAIR 1073 34 46/FAIR 914 40 PR. GEORGE 17/POOR 768 16 15/POOR 754 15 18/POOR 760 25 BURNS LAKE 15/POOR 769 17 15/POOR 864 2 13/POOR 743 24 SMITHERS 17/POOR 621 15 16/POOR 654 7 13/POOR 548 17 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 33 SW 33 SMITHERS SW 30 SW 39 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 403 4 21/POOR 591 13 15/POOR 471 10 FT STJOHN 17/POOR 902 4 30/POOR 938 22 33/POOR 946 19 WHITEHORSE 15/POOR 759 21 17/POOR 774 19 14/POOR 741 19 DAWSON 13/POOR 394 24 12/POOR 377 26 12/POOR 372 26 WATSON LAKE 30/POOR 906 15 26/POOR 863 14 45/FAIR 1034 16 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 13 S 20 WATSON LAKE SE 17 SW 19 WHITEHORSE SE 15 S 19 MAYO E 15 SW 19 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 71/GOOD 444 14 13/POOR 22 29 12/POOR 10 30 FRASER VLY 56/GOOD 497 19 15/POOR 99 31 13/POOR 72 34 SRN VRISL 73/GOOD 682 16 24/POOR 92 35 12/POOR 23 40 CNTRL VRISL 67/GOOD 482 17 13/POOR 51 27 13/POOR 42 33 NRN VRISL 77/GOOD 461 22 18/POOR 83 22 13/POOR 35 37 TERRACE 26/POOR 410 14 48/FAIR 610 14 26/POOR 334 26 STEWART 20/POOR 118 15 17/POOR 153 9 13/POOR 43 17 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 37 W 57 W 67 SANDSPIT W 53 W 65 W 67 PORT HARDY W 50 W 65 W 67 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/LEC $$$$^^