FPCN39 CWLW 011430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 1 MARCH 2001 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 20/POOR 373 13 100/GOOD 1018 25 100/GOOD 1488 19 KAMLOOPS 15/POOR 408 13 100/GOOD 918 26 100/GOOD 1772 22 OKANAGAN 30/POOR 677 13 100/GOOD 893 30 100/GOOD 2069 13 CASTLEGAR 18/POOR 648 6 63/GOOD 986 13 55/GOOD 1089 11 CRANBROOK 17/POOR 1049 18 74/GOOD 1537 14 83/GOOD 1747 10 REVELSTOKE 45/FAIR 861 7 39/FAIR 721 16 100/GOOD 1901 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 11 SW 31 SW 83 CRANBROOK SW 22 SW 65 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 19/POOR 615 19 100/GOOD 1055 36 100/GOOD 1613 27 100 MILE 20/POOR 1012 14 100/GOOD 1414 37 100/GOOD 2124 27 WILLIAMS LK 19/POOR 1020 16 100/GOOD 1378 35 100/GOOD 2099 26 PUNTZI MNT 32/POOR 1114 17 100/GOOD 1961 30 100/GOOD 2438 30 PR. GEORGE 30/POOR 838 18 56/GOOD 933 32 100/GOOD 1218 28 BURNS LAKE 28/POOR 842 20 43/FAIR 923 28 100/GOOD 1951 28 SMITHERS 29/POOR 691 18 31/POOR 694 23 100/GOOD 1508 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 52 SW 70 SMITHERS S 43 SW 74 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 14/POOR 414 34 47/FAIR 1310 15 34/FAIR 906 7 FT STJOHN 31/POOR 844 34 85/GOOD 1698 20 100/GOOD 1634 22 WHITEHORSE 14/POOR 747 16 100/GOOD 1392 21 37/FAIR 1138 8 DAWSON 14/POOR 404 16 27/POOR 607 9 29/POOR 630 9 WATSON LAKE 13/POOR 715 27 100/GOOD 1542 20 27/POOR 830 23 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 30 S 57 WATSON LAKE E 31 SE 41 WHITEHORSE E 28 E 41 MAYO SE 11 S 13 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 35/FAIR 155 29 75/GOOD 301 47 59/GOOD 349 30 FRASER VLY 19/POOR 156 19 100/GOOD 562 35 100/GOOD 853 19 SRN VRISL 23/POOR 125 22 37/FAIR 166 31 100/GOOD 728 25 CNTRL VRISL 27/POOR 152 25 63/GOOD 315 26 100/GOOD 651 19 NRN VRISL 100/GOOD 452 34 100/GOOD 603 26 100/GOOD 577 27 TERRACE 45/FAIR 488 18 24/POOR 358 20 49/FAIR 560 15 STEWART 47/FAIR 241 16 13/POOR 43 21 25/POOR 167 14 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 53 S 72 SW 72 SANDSPIT S 83 S 89 S 85 PORT HARDY SW 42 SW 54 SW 56 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/