FPCN39 CWLW 231500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 23 FEBRUARY 2000 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 62/GOOD 609 17 100/GOOD 1119 14 100/GOOD 1510 8 KAMLOOPS 15/POOR 397 18 100/GOOD 1521 16 100/GOOD 1785 11 OKANAGAN 18/POOR 607 10 100/GOOD 1735 9 100/GOOD 2302 14 CASTLEGAR 20/POOR 676 9 43/FAIR 1074 11 80/GOOD 2207 4 CRANBROOK 22/POOR 1104 15 47/FAIR 1480 14 59/GOOD 2406 6 REVELSTOKE 29/POOR 722 11 46/FAIR 1158 8 80/GOOD 1869 4 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 9. S 20 SW 54 CRANBROOK SW 15 W 46 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 30/POOR 684 28 100/GOOD 1340 20 100/GOOD 1580 16 100 MILE 21/POOR 1024 26 100/GOOD 2077 22 100/GOOD 2295 19 WILLIAMS LK 24/POOR 1046 27 100/GOOD 1845 18 100/GOOD 2319 15 PUNTZI MNT 15/POOR 953 24 100/GOOD 2990 25 100/GOOD 2871 14 PR. GEORGE 29/POOR 820 29 100/GOOD 1419 22 88/GOOD 1444 13 BURNS LAKE 29/POOR 866 23 100/GOOD 1819 25 100/GOOD 1784 18 SMITHERS 39/FAIR 729 23 100/GOOD 1137 21 91/GOOD 1131 18 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 52 SW 41 SMITHERS SE 39 S 57 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 32/POOR 779 10 13/POOR 429 10 21/POOR 517 14 FT STJOHN 17/POOR 747 34 34/FAIR 884 14 57/GOOD 1115 16 WHITEHORSE 37/FAIR 943 16 37/FAIR 923 19 17/POOR 786 16 DAWSON 14/POOR 405 27 21/POOR 524 10 19/POOR 508 12 WATSON LAKE 45/FAIR 1048 18 21/POOR 877 10 46/FAIR 1046 9 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 20 SE 30 WATSON LAKE 0 0 S 15 WHITEHORSE SE 19 SE 22 MAYO SW 9 W 17 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 56/GOOD 285 31 65/GOOD 408 23 40/FAIR 99 20 FRASER VLY 45/FAIR 307 24 71/GOOD 559 14 100/GOOD 1164 11 SRN VRISL 53/FAIR 304 23 57/GOOD 335 14 44/FAIR 308 23 CNTRL VRISL 64/GOOD 435 20 100/GOOD 868 14 86/GOOD 653 20 NRN VRISL 38/FAIR 190 30 100/GOOD 489 29 100/GOOD 650 28 TERRACE 29/POOR 383 22 100/GOOD 735 18 16/POOR 311 14 STEWART 25/POOR 134 20 34/FAIR 235 18 28/POOR 140 14 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 53 S 74 S 76 SANDSPIT SE 66 S 70 SE 69 PORT HARDY SE 81 S 102 S 100 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^