FPCN39 CWLW 271430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 27 FEBRUARY 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 13/POOR 276 12 44/FAIR 719 9 100/GOOD 975 14 KAMLOOPS 14/POOR 397 11 45/FAIR 787 12 100/GOOD 1124 24 OKANAGAN 20/POOR 555 13 42/FAIR 1018 8 100/GOOD 1250 16 CASTLEGAR 16/POOR 588 14 43/FAIR 1205 6 100/GOOD 1337 13 CRANBROOK 25/POOR 1077 19 64/GOOD 1647 8 100/GOOD 1713 19 REVELSTOKE 14/POOR 521 2 42/FAIR 1160 5 100/GOOD 1457 15 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 0 0 CRANBROOK 0 0 NW 20 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 24/POOR 657 21 54/FAIR 856 23 75/GOOD 919 24 100 MILE 21/POOR 1041 22 57/GOOD 1318 19 100/GOOD 1482 23 WILLIAMS LK 22/POOR 1053 13 44/FAIR 1253 16 100/GOOD 1508 24 PUNTZI MNT 16/POOR 975 13 100/GOOD 1587 19 100/GOOD 2356 33 PR. GEORGE 23/POOR 797 23 54/FAIR 1014 20 41/FAIR 883 27 BURNS LAKE 21/POOR 822 22 54/FAIR 1014 20 100/GOOD 1530 23 SMITHERS 21/POOR 636 20 54/FAIR 1014 20 100/GOOD 1358 20 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 44 SW 52 SMITHERS SW 76 SW122 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 413 12 26/POOR 499 29 15/POOR 432 24 FT STJOHN 43/FAIR 868 37 100/GOOD 2000 35 28/POOR 848 24 WHITEHORSE 14/POOR 724 46 49/FAIR 844 41 61/GOOD 968 27 DAWSON 47/FAIR 512 48 29/POOR 451 42 14/POOR 390 13 WATSON LAKE 19/POOR 760 25 19/POOR 760 25 100/GOOD 1487 26 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 57 SW111 WATSON LAKE SW 70 SW100 WHITEHORSE S 67 S 115 MAYO S 78 S 113 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 33/POOR 214 28 22/POOR 283 6 24/POOR 276 2 FRASER VLY 23/POOR 185 17 26/POOR 636 3 36/FAIR 479 10 SRN VRISL 27/POOR 241 10 24/POOR 253 8 77/GOOD 378 8 CNTRL VRISL 28/POOR 220 16 39/FAIR 443 11 100/GOOD 1249 9 NRN VRISL 28/POOR 153 21 75/GOOD 411 24 100/GOOD 601 18 TERRACE 43/FAIR 466 22 100/GOOD 852 28 86/GOOD 891 15 STEWART 21/POOR 113 24 13/POOR 33 29 54/FAIR 284 19 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 11 S 13 SW 11 SANDSPIT SW 74 SW 78 SW 87 PORT HARDY S 40 S 59 SW 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC