FPCN39 CWLW 191500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 19 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 32/POOR 421 18 48/FAIR 502 20 89/GOOD 715 17 KAMLOOPS 34/FAIR 658 21 50/FAIR 883 24 89/GOOD 826 22 OKANAGAN 30/FAIR 689 24 50/FAIR 898 28 100/GOOD 1443 26 CASTLEGAR 25/POOR 691 12 49/FAIR 857 17 92/GOOD 766 19 CRANBROOK 41/FAIR 1314 11 53/FAIR 1424 17 96/GOOD 1213 24 REVELSTOKE 33/FAIR 855 15 53/FAIR 940 16 97/GOOD 555 19 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 9. S 20 S 28 CRANBROOK W 11 W 24 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/FAIR 715 33 44/POOR 613 35 100/GOOD 1333 22 100 MILE 48/FAIR 1269 33 53/FAIR 1270 34 69/GOOD 1281 22 WILLIAMS LK 62/GOOD 1127 31 63/GOOD 955 33 100/GOOD 1590 21 PUNTZI MNT 24/POOR 1021 24 44/FAIR 1032 22 100/GOOD 1851 20 PR. GEORGE 21/POOR 772 29 44/FAIR 703 33 79/GOOD 1036 25 BURNS LAKE 26/POOR 845 26 44/FAIR 727 23 100/GOOD 1202 21 SMITHERS 29/POOR 678 24 44/FAIR 580 18 93/GOOD 551 18 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 35 SW 43 SMITHERS SE 33 S 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 9 16/POOR 466 17 44/FAIR 570 12 FT STJOHN 14/POOR 736 18 18/POOR 762 27 63/GOOD 723 40 WHITEHORSE 32/POOR 949 31 35/FAIR 749 25 60/GOOD 810 19 DAWSON 23/POOR 610 36 35/FAIR 397 36 54/FAIR 414 11 WATSON LAKE 37/FAIR 781 13 54/FAIR 768 19 60/GOOD 725 12 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 22 SW 19 WATSON LAKE SW 24 W 33 WHITEHORSE S 22 SW 39 MAYO S 15 SW 15 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 27/POOR 108 32 56/GOOD 22 49 66/GOOD 167 13 FRASER VLY 27/POOR 108 32 56/GOOD 22 49 66/GOOD 167 13 SRN VRISL 27/POOR 108 32 56/GOOD 22 49 66/GOOD 167 13 CNTRL VRISL 27/POOR 108 32 56/GOOD 22 49 66/GOOD 167 13 NRN VRISL 99/GOOD 137 46 99/GOOD 43 18 66/GOOD 372 15 TERRACE 15/POOR 282 18 54/FAIR 228 14 66/GOOD 455 13 STEWART 15/POOR 282 18 54/FAIR 228 14 66/GOOD 455 13 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 35 S 41 S 41 SANDSPIT SE 10 S 98 S 63 PORT HARDY SE 66 S 78 S 65 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^