FPCN39 CWLW 141400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 14 SEPTEMBER 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 22/POOR 369 15 41/FAIR 626 14 66/GOOD 1078 8 KAMLOOPS 24/POOR 485 21 41/FAIR 762 11 87/GOOD 1467 7 OKANAGAN 22/POOR 532 27 26/POOR 598 16 65/GOOD 1465 6 CASTLEGAR 25/POOR 630 24 44/FAIR 926 12 51/FAIR 1084 6 CRANBROOK 14/POOR 994 12 37/FAIR 1417 7 100/GOOD 1954 11 REVELSTOKE 18/POOR 526 21 22/POOR 609 14 57/GOOD 1157 7 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 W 26 CRANBROOK NW 9 W 31 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 14/POOR 581 28 17/POOR 630 7 34/FAIR 1375 3 100 MILE 26/POOR 1057 30 34/FAIR 1421 3 37/FAIR 1419 5 WILLIAMS LK 21/POOR 1033 27 31/POOR 1343 8 58/GOOD 1939 5 PUNTZI MNT 13/POOR 947 5 27/POOR 1252 5 29/POOR 1661 4 PR. GEORGE 18/POOR 762 22 20/POOR 781 25 43/FAIR 1559 1 BURNS LAKE 32/POOR 903 21 100/GOOD 1842 20 65/GOOD 1459 10 SMITHERS 20/POOR 628 20 100/GOOD 1758 17 66/GOOD 1208 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 9 W 20 SMITHERS S 26 SW 28 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 26/POOR 488 29 82/GOOD 741 32 100/GOOD 1911 18 FT STJOHN 20/POOR 785 23 100/GOOD 1195 28 100/GOOD 1955 15 WHITEHORSE 74/GOOD 1026 27 100/GOOD 1816 32 100/GOOD 2050 19 DAWSON 39/FAIR 636 25 54/FAIR 824 13 78/GOOD 1334 10 WATSON LAKE 13/POOR 716 25 100/GOOD 2154 40 100/GOOD 2172 14 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 22 SW 28 WATSON LAKE SW 22 SW 30 WHITEHORSE S 31 SW 44 MAYO SW 28 SW 30 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 17/POOR 52 28 14/POOR 41 9 26/POOR 266 4 FRASER VLY 25/POOR 173 23 19/POOR 212 27 53/FAIR 666 5 SRN VRISL 16/POOR 78 14 13/POOR 54 6 15/POOR 176 2 CNTRL VRISL 13/POOR 57 10 14/POOR 105 10 40/FAIR 519 5 NRN VRISL 12/POOR 41 10 14/POOR 62 16 22/POOR 257 8 TERRACE 42/FAIR 477 19 100/GOOD 1265 9 57/GOOD 870 5 STEWART 40/GOOD 759 24 60/GOOD 592 15 29/POOR 253 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 12 SW 9 W 22 SANDSPIT S 31 S 35 SW 41 PORT HARDY S 16 S 19 SW 24 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JDG $$$$^^