FPCN39 CWLW 081400 SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 8 OCTOBER 1999 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE STATION 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 100/GOOD 739 15 96/GOOD 806 10 100/GOOD 1734 12 KAMLOOPS 65/GOOD 604 17 72/GOOD 733 11 99/GOOD 1444 7 OKANAGAN 34/FAIR 400 10 45/FAIR 442 9 100/GOOD 1464 11 CASTLEGAR 48/FAIR 443 14 50/FAIR 232 11 100/GOOD 1613 10 CRANBROOK 44/FAIR 319 17 50/FAIR 284 13 100/GOOD 1815 16 REVELSTOKE 49/FAIR 422 13 50/FAIR 479 8 92/GOOD 1207 9 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 11 W 30 W 56 CRANBROOK W 19 W 52 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 22/POOR 98 24 63/GOOD 684 5 100/GOOD 2043 15 100 MILE 100/GOOD 932 14 100/GOOD 1867 15 100/GOOD 1837 6 WILLIAMS LK 45/FAIR 331 9 100/GOOD 1900 14 100/GOOD 1700 9 PUNTZI MNT 36/FAIR 186 23 100/GOOD 1338 16 100/GOOD 2433 19 PR. GEORGE 55/GOOD 258 29 100/GOOD 1016 18 100/GOOD 1350 14 BURNS LAKE 23/POOR 141 15 100/GOOD 927 18 100/GOOD 1394 22 SMITHERS 33/POOR 239 20 100/GOOD 980 15 100/GOOD 1226 22 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 35 W 54 SMITHERS SW 46 SW 67 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 43 23 100/GOOD 1164 10 100/GOOD 1403 13 FT STJOHN 74/GOOD 301 36 100/GOOD 1429 27 100/GOOD 1713 25 WHITEHORSE 24/POOR 136 20 100/GOOD 1006 14 100/GOOD 1450 12 DAWSON 16/POOR 84 10 80/GOOD 398 11 45/FAIR 552 10 WATSON LAKE 23/POOR 123 23 100/GOOD 1202 20 100/GOOD 1639 11 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 33 SW 63 WATSON LAKE SW 26 SW 37 WHITEHORSE S 19 SW 33 MAYO SE 15 S 20 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 228 16 60/GOOD 500 9 55/GOOD 627 8 FRASER VLY 100/GOOD 739 15 96/GOOD 806 10 100/GOOD 1734 12 SRN VRISL 21/POOR 114 7 80/GOOD 600 16 54/FAIR 771 9 CNTRL VRISL 29/POOR 403 7 69/GOOD 535 14 100/GOOD 1209 7 NRN VRISL 15/POOR 64 17 65/GOOD 513 18 95/GOOD 650 27 TERRACE 43/FAIR 359 15 73/GOOD 615 11 100/GOOD 775 15 STEWART 28/POOR 211 15 70/GOOD 600 13 46/FAIR 300 14 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 31 W 43 W 52 SANDSPIT SW 40 SW 48 SW 54 PORT HARDY S 27 SW 35 W 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^