FPCN39 CWLW 051400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 5 OCTOBER 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 51/FAIR 635 13 60/GOOD 968 8 55/GOOD 675 11 KAMLOOPS 30/POOR 690 11 49/FAIR 1217 7 100/GOOD 1150 22 OKANAGAN 32/POOR 818 10 55/GOOD 1473 6 100/GOOD 1194 18 CASTLEGAR 34/FAIR 895 11 45/FAIR 1754 2 99/GOOD 1244 16 CRANBROOK 31/POOR 1336 3 84/GOOD 2315 4 75/GOOD 1741 13 REVELSTOKE 37/FAIR 850 12 42/FAIR 1544 3 82/GOOD 1190 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON NW 9. NW 31 NW 44 CRANBROOK W 19 NW 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 18/POOR 667 9 60/GOOD 1204 11 100/GOOD 1194 31 100 MILE 20/POOR 1173 3 57/GOOD 1717 9 100/GOOD 1588 30 WILLIAMS LK 17/POOR 1099 3 58/GOOD 1629 9 100/GOOD 1641 29 PUNTZI MNT 25/POOR 1083 16 60/GOOD 1482 15 30/POOR 1078 20 PR. GEORGE 15/POOR 758 9 53/FAIR 1361 8 100/GOOD 1354 26 BURNS LAKE 29/POOR 886 21 76/GOOD 1269 17 46/FAIR 1014 18 SMITHERS 37/FAIR 748 20 51/FAIR 905 15 40/FAIR 783 19 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NE 20 N 41 SMITHERS SE 11 NW 15 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 16/POOR 474 10 32/POOR 581 20 31/POOR 546 32 FT STJOHN 16/POOR 806 6 48/FAIR 1153 13 26/POOR 825 24 WHITEHORSE 61/GOOD 983 30 22/POOR 775 38 25/POOR 766 32 DAWSON 10/POOR 617 5 16/POOR 404 39 16/POOR 408 38 WATSON LAKE 15/POOR 745 14 16/POOR 748 22 13/POOR 714 27 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 17 W 17 WATSON LAKE W 9 NW 20 WHITEHORSE S 17 W 13 MAYO SW 19 W 24 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 30/POOR 376 6 45/FAIR 247 23 23/POOR 106 32 FRASER VLY 39/FAIR 351 15 70/GOOD 597 22 38/FAIR 310 20 SRN VRISL 39/FAIR 376 11 27/POOR 161 21 29/POOR 140 20 CNTRL VRISL 33/POOR 305 11 48/FAIR 398 15 61/GOOD 383 24 NRN VRISL 24/POOR 144 18 33/POOR 248 25 26/POOR 124 33 TERRACE 20/POOR 331 18 13/POOR 267 12 45/FAIR 522 18 STEWART 22/POOR 155 16 17/POOR 101 16 17/POOR 64 23 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER N 16 N 26 NW 41 SANDSPIT SW 9. W 20 W 30 PORT HARDY NW 24 NW 20 NW 33 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^