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 SATURDAY 20 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 80/GOOD 752 20 100/GOOD 758 15 80/GOOD 1246 15 KAMLOOPS 18/POOR 417 27 100/GOOD 1352 23 80/GOOD 1160 14 OKANAGAN 26/POOR 568 24 100/GOOD 1613 20 80/GOOD 1254 14 CASTLEGAR 45/FAIR 795 19 100/GOOD 947 16 80/GOOD 1546 12 CRANBROOK 19/POOR 1023 25 100/GOOD 1381 22 80/GOOD 2146 14 REVELSTOKE 54/FAIR 805 17 100/GOOD 700 17 80/GOOD 1345 8 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. S 22 SW 54 CRANBROOK SW 22 SW 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 13/POOR 575 18 100/GOOD 1522 14 80/GOOD 1187 18 100 MILE 16/POOR 1012 24 100/GOOD 2062 9 80/GOOD 1940 19 WILLIAMS LK 13/POOR 973 19 100/GOOD 1949 11 80/GOOD 1602 19 PUNTZI MNT 14/POOR 938 26 100/GOOD 1825 18 80/GOOD 2020 21 PR. GEORGE 14/POOR 723 22 100/GOOD 1093 21 80/GOOD 918 21 BURNS LAKE 16/POOR 779 26 100/GOOD 1452 17 80/GOOD 1374 26 SMITHERS 15/POOR 574 20 100/POOR 1594 17 80/GOOD 1018 21 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 44 SW 41 SMITHERS S 33 SW 41 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 18/POOR 518 6 44/FAIR 561 11 44/FAIR 398 9 FT STJOHN 15/POOR 792 8 55/GOOD 716 43 44/FAIR 766 28 WHITEHORSE 55/GOOD 740 18 55/GOOD 775 27 44/FAIR 716 29 DAWSON 55/GOOD 442 27 55/GOOD 521 20 44/FAIR 416 27 WATSON LAKE 12/POOR 704 15 44/FAIR 769 4 44/FAIR 743 8 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 20 S 35 WATSON LAKE SE 30 S 28 WHITEHORSE S 30 S 54 MAYO SE 30 S 33 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 100/GOOD 187 29 100/GOOD 25 16 79/GOOD 445 21 FRASER VLY 100/GOOD 297 25 100/GOOD 111 15 81/GOOD 583 17 SRN VRISL 100/GOOD 427 31 100/GOOD 451 18 100/GOOD 674 19 CNTRL VRISL 100/GOOD 174 28 100/GOOD 683 13 100/GOOD 798 17 NRN VRISL 100/GOOD 298 23 100/GOOD 58 20 81/GOOD 205 19 TERRACE 60/GOOD 766 18 100/GOOD 412 12 81/GOOD 561 17 STEWART 100/GOOD 455 16 100/GOOD 150 12 81/GOOD 70 16 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 40 S 57 S 54 SANDSPIT SW 29 SW 33 SW 35 PORT HARDY S 42 S 52 S 54 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^