FPCN39 CWLW 291400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 29 JULY 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 42/FAIR 902 5 100/GOOD 1683 10 85/GOOD 1552 6 KAMLOOPS 41/FAIR 840 12 100/GOOD 2078 9 81/GOOD 1685 6 OKANAGAN 49/FAIR 921 6 100/GOOD 2146 5 72/GOOD 1883 2 CASTLEGAR 49/FAIR 1018 13 100/GOOD 2283 8 90/GOOD 2166 3 CRANBROOK 34/FAIR 1268 9 100/GOOD 2866 16 100/GOOD 2812 11 REVELSTOKE 45/FAIR 1117 5 100/GOOD 1857 9 100/GOOD 1965 7 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 22 SW 50 CRANBROOK SW 15 SW 43 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 69/GOOD 1242 14 100/GOOD 2237 14 100/GOOD 1886 9 100 MILE 42/FAIR 1425 12 100/GOOD 2615 11 96/GOOD 2311 8 WILLIAMS LK 32/POOR 1214 14 59/GOOD 1525 12 77/GOOD 2172 7 PUNTZI MNT 32/POOR 1324 7 100/GOOD 2181 15 100/GOOD 2642 10 PR. GEORGE 100/GOOD 1489 18 100/GOOD 2587 16 100/GOOD 2169 6 BURNS LAKE 100/GOOD 1733 19 100/GOOD 2518 13 100/GOOD 2132 5 SMITHERS 100/GOOD 1725 12 100/GOOD 2066 10 100/GOOD 1552 5 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 46 SW 54 SMITHERS SW 44 SW 63 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 50/FAIR 514 12 22/POOR 395 25 78/GOOD 1863 9 FT STJOHN 100/GOOD 1408 34 100/GOOD 2416 41 100/GOOD 2348 20 WHITEHORSE 100/GOOD 1527 26 100/GOOD 2224 14 100/GOOD 2125 14 DAWSON 26/POOR 516 19 100/GOOD 2571 11 100/GOOD 1896 13 WATSON LAKE 33/FAIR 318 20 39/FAIR 834 37 54/FAIR 1806 9 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 28 SW 39 WATSON LAKE SW 39 SW 15 WHITEHORSE SE 15 E 17 MAYO S 13 S 19 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 146 4 22/POOR 320 10 22/POOR 291 16 FRASER VLY 15/POOR 151 6 50/FAIR 960 8 36/FAIR 764 9 SRN VRISL 19/POOR 191 6 17/POOR 307 5 18/POOR 280 7 CNTRL VRISL 15/POOR 140 4 28/POOR 800 4 31/POOR 620 8 NRN VRISL 17/POOR 166 8 14/POOR 159 2 34/FAIR 470 5 TERRACE 100/GOOD 1350 11 98/GOOD 1612 7 35/FAIR 558 8 STEWART 75/GOOD 624 11 52/FAIR 689 7 76/GOOD 662 13 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 22 SW 33 SW 44 SANDSPIT SW 42 SW 41 SW 39 PORT HARDY S 33 S 37 SW 44 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^