FPCN39 CWLW 171500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 17 NOVEMBER 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 28/POOR 454 12 46/FAIR 727 8 77/GOOD 976 10 KAMLOOPS 50/FAIR 698 14 72/GOOD 918 17 87/GOOD 1227 12 OKANAGAN 25/POOR 537 15 43/FAIR 881 15 93/GOOD 1367 16 CASTLEGAR 24/POOR 616 12 21/POOR 647 13 67/GOOD 1499 10 CRANBROOK 20/POOR 1144 8 33/POOR 1354 14 90/GOOD 1947 14 REVELSTOKE 16/POOR 428 13 13/POOR 482 12 55/GOOD 1222 9 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 9. S 24 S 48 CRANBROOK 0 0 S 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 34/POOR 1095 2 46/FAIR 775 11 64/GOOD 1054 17 100 MILE 18/POOR 1173 14 76/GOOD 1491 17 100/GOOD 1891 20 WILLIAMS LK 22/POOR 1082 18 51/FAIR 1368 13 77/GOOD 1580 17 PUNTZI MNT 33/POOR 1180 15 71/GOOD 1406 4 87/GOOD 1745 12 PR. GEORGE 28/POOR 1110 21 50/FAIR 1004 9 86/GOOD 1081 12 BURNS LAKE 16/POOR 850 8 47/FAIR 992 1 45/FAIR 907 15 SMITHERS 13/POOR 564 7 40/FAIR 901 4 49/FAIR 778 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 43 S 37 SMITHERS S 44 S 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 15/POOR 462 6 25/POOR 618 13 13/POOR 436 12 FT STJOHN 47/FAIR 1006 21 19/POOR 781 19 36/FAIR 907 24 WHITEHORSE 17/POOR 762 30 14/POOR 729 26 14/POOR 732 27 DAWSON 14/POOR 404 40 14/POOR 392 20 12/POOR 378 32 WATSON LAKE 21/POOR 837 16 15/POOR 1013 1 12/POOR 781 6 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 37 S 72 WATSON LAKE SE 31 SW 54 WHITEHORSE SE 48 S 78 MAYO SE 46 SE 44 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 30/POOR 215 18 43/FAIR 182 8 41/FAIR 303 20 FRASER VLY 31/POOR 313 16 41/FAIR 233 10 87/GOOD 813 5 SRN VRISL 31/POOR 281 14 43/FAIR 160 14 28/POOR 172 17 CNTRL VRISL 33/POOR 285 16 36/FAIR 460 8 64/GOOD 462 18 NRN VRISL 15/POOR 95 6 35/FAIR 686 6 25/POOR 109 37 TERRACE 22/POOR 471 6 38/FAIR 792 5 17/POOR 305 14 STEWART 17/POOR 153 9 19/FAIR 215 5 15/POOR 83 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 14 SW 22 S 39 SANDSPIT SW 46 SW 54 S 56 PORT HARDY S 31 S 46 S 48 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^