FPCN39 CWLW 161400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 16 APRIL 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 12/POOR 273 7 40/FAIR 1194 1 97/GOOD 1430 6 KAMLOOPS 14/POOR 417 5 41/FAIR 1054 7 100/GOOD 1746 13 OKANAGAN 16/POOR 500 9 54/FAIR 1383 3 100/GOOD 1855 9 CASTLEGAR 20/POOR 661 10 23/POOR 784 6 100/GOOD 2015 7 CRANBROOK 13/POOR 1008 3 23/POOR 1245 6 100/GOOD 2203 16 REVELSTOKE 21/POOR 653 8 29/POOR 1133 0 100/GOOD 1564 11 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 20 SW 50 CRANBROOK SW 13 SW 46 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 589 6 100/GOOD 3140 8 100/GOOD 2373 6 100 MILE 20/POOR 1077 10 100/GOOD 3305 9 100/GOOD 2929 12 WILLIAMS LK 19/POOR 1049 10 100/GOOD 3594 11 100/GOOD 2942 7 PUNTZI MNT 18/POOR 1000 15 100/GOOD 3260 16 100/GOOD 2594 8 PR. GEORGE 13/POOR 732 7 100/GOOD 3183 13 100/GOOD 2359 8 BURNS LAKE 16/POOR 801 14 100/GOOD 2423 14 100/GOOD 2188 9 SMITHERS 21/POOR 669 14 100/GOOD 2165 16 100/GOOD 1735 10 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE E 20 SE 13 SMITHERS E 33 E 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 53/FAIR 650 26 50/FAIR 1746 15 100/GOOD 1425 13 FT STJOHN 17/POOR 793 8 100/GOOD 2983 5 100/GOOD 2164 14 WHITEHORSE 100/GOOD 2131 21 40/FAIR 1960 11 100/GOOD 1658 18 DAWSON 33/POOR 617 19 38/FAIR 906 5 20/POOR 749 8 WATSON LAKE 100/GOOD 1385 31 35/FAIR 2092 12 100/GOOD 2021 14 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 9 NE 9 WATSON LAKE W 9 NW 20 WHITEHORSE N 30 N 31 MAYO NE 9 NW 22 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 221 10 55/GOOD 799 33 35/FAIR 620 10 FRASER VLY 20/POOR 195 10 91/GOOD 1858 17 59/GOOD 1372 9 SRN VRISL 48/FAIR 400 18 100/GOOD 427 12 22/POOR 482 6 CNTRL VRISL 33/POOR 354 13 100/GOOD 1022 18 43/FAIR 1146 5 NRN VRISL 13/POOR 55 9 100/GOOD 1213 25 72/GOOD 1079 15 TERRACE 18/POOR 408 6 100/GOOD 1810 11 100/GOOD 1320 11 STEWART 14/POOR 60 14 79/GOOD 552 14 36/FAIR 329 11 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 12 S 28 SW 43 SANDSPIT NE 27 NE 31 NE 46 PORT HARDY SE 20 S 33 S 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^