FPCN39 CWLW 051400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 5 AUGUST 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 39/FAIR 355 13 100/GOOD 2138 10 100/GOOD 1913 4 KAMLOOPS 50/POOR 465 17 100/GOOD 2150 9 100/GOOD 1766 14 OKANAGAN 53/FAIR 658 16 100/GOOD 2802 11 100/GOOD 2324 14 CASTLEGAR 29/POOR 620 14 100/GOOD 3022 11 100/GOOD 2561 10 CRANBROOK 46/FAIR 1246 17 100/GOOD 3657 18 100/GOOD 3254 20 REVELSTOKE 16/POOR 552 11 100/GOOD 2342 12 100/GOOD 2196 13 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 11 W 13 CRANBROOK 0 0 SW 17 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 31/POOR 721 21 100/GOOD 1996 13 100/GOOD 1788 11 100 MILE 31/POOR 1105 24 100/GOOD 2403 13 100/GOOD 2048 15 WILLIAMS LK 29/POOR 1111 19 100/GOOD 2369 11 100/GOOD 2176 10 PUNTZI MNT 38/FAIR 1130 23 100/GOOD 2680 18 100/GOOD 2271 14 PR. GEORGE 34/FAIR 898 20 100/GOOD 1993 19 100/GOOD 2161 15 BURNS LAKE 51/FAIR 1016 22 100/GOOD 2106 22 100/GOOD 1933 18 SMITHERS 48/FAIR 790 17 100/GOOD 1810 21 100/GOOD 1520 18 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE N 9 N 9 SMITHERS N 13 N 26 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 47/FAIR 467 12 100/GOOD 1828 25 100/GOOD 1740 10 FT STJOHN 38/FAIR 790 13 100/GOOD 2878 26 100/GOOD 2906 16 WHITEHORSE 100/GOOD 1343 24 100/GOOD 2125 14 89/GOOD 1421 17 DAWSON 35/FAIR 613 18 100/GOOD 1642 13 100/GOOD 2435 17 WATSON LAKE 39/FAIR 869 31 100/GOOD 1910 26 100/GOOD 2196 19 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 19 NW 24 WATSON LAKE NW 22 NW 19 WHITEHORSE W 33 W 30 MAYO W 41 W 35 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 28/POOR 115 15 42/FAIR 212 4 24/POOR 269 4 FRASER VLY 30/POOR 192 14 44/FAIR 710 10 47/FAIR 771 10 SRN VRISL 27/POOR 107 11 41/FAIR 247 7 23/POOR 263 5 CNTRL VRISL 26/POOR 119 5 50/FAIR 747 1 41/FAIR 731 1 NRN VRISL 18/POOR 200 7 44/FAIR 479 22 73/GOOD 482 30 TERRACE 31/POOR 527 9 100/GOOD 1405 12 79/GOOD 1104 9 STEWART 30/POOR 232 19 71/GOOD 756 13 67/GOOD 609 13 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NE 24 E 11 NE 9 SANDSPIT N 61 N 69 N 76 PORT HARDY E 16 N 19 N 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^