FPCN39 CWLW 241400 SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 24 OCTOBER 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 1006 19 100/GOOD 1450 7 100/GOOD 835 24 KAMLOOPS 41/FAIR 564 26 100/GOOD 2020 12 100/GOOD 1043 26 OKANAGAN 100/GOOD 1386 20 100/GOOD 1735 6 100/GOOD 1153 22 CASTLEGAR 40/FAIR 772 19 100/GOOD 1893 7 77/GOOD 1031 16 CRANBROOK 100/GOOD 1520 23 100/GOOD 2327 14 100/GOOD 1608 21 REVELSTOKE 100/GOOD 1322 21 69/GOOD 1400 7 45/FAIR 787 14 FORCAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 12 S 35 SW 78 CRANBROOK S 19 SW 54 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 99/GOOD 983 28 100/GOOD 1982 25 100/GOOD 1114 15 100 MILE 36/FAIR 1122 29 100/GOOD 2746 23 100/GOOD 1573 28 WILLIAMS LK 44/FAIR 1164 28 100/GOOD 2837 23 100/GOOD 1816 19 PUNTZI MNT 100/GOOD 1468 28 100/GOOD 2724 21 100/GOOD 2881 29 PR. GEORGE 45/FAIR 896 33 100/GOOD 1589 22 100/GOOD 2000 23 BURNS LAKE 74/GOOD 1060 28 100/GOOD 1122 23 100/GOOD 1922 25 SMITHERS 100/GOOD 1219 20 100/GOOD 1241 16 100/GOOD 1382 20 FORCAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 76 S 106 SMITHERS S 46 S 78 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 475 11 80/GOOD 798 26 79/GOOD 754 23 FT STJOHN 100/GOOD 1206 47 100/GOOD 1936 39 30/POOR 823 29 WHITEHORSE 19/POOR 772 15 52/FAIR 1014 9 100/GOOD 1082 39 DAWSON 36/FAIR 778 11 22/POOR 8001 7 21/POOR 433 41 WATSON LAKE 19/POOR 763 34 100/GOOD 1646 20 20/POOR 796 17 FORCAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 33 S 67 WATSON LAKE SE 46 S 46 WHITEHORSE S 30 S 48 MAYO SE 30 S 43 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 77/GOOD 582 21 50/FAIR 1000 14 47/FAIR 37 26 FRASER VLY 37/FAIR 377 16 46/FAIR 1155 11 47/FAIR 273 29 SRN VRISL 33/POOR 212 15 44/FAIR 696 12 39/FAIR 197 17 CNTRL VRISL 47/FAIR 333 13 69/GOOD 1051 16 75/GOOD 501 17 NRN VRISL 75/GOOD 372 31 72/GOOD 1000 40 73/GOOD 434 32 TERRACE 90/GOOD 686 19 57/GOOD 878 17 49/FAIR 431 17 STEWART 61/GOOD 478 17 70/FAIR 700 20 40/FAIR 160 19 FORCAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 55 SW 78 SW 83 SANDSPIT SW 42 SW 52 SW 57 PORT HARDY SW 50 SW 61 SW 59 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^