FPCN39 CWLW 171400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 17 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 20/POOR 361 13 40/FAIR 1253 1 100/GOOD 1794 10 KAMLOOPS 36/FAIR 800 18 55/GOOD 2123 3 100/GOOD 2172 12 OKANAGAN 42/FAIR 898 14 55/GOOD 1993 3 99/GOOD 2157 8 CASTLEGAR 34/FAIR 1451 6 58/GOOD 2286 2 81/GOOD 1793 7 CRANBROOK 36/FAIR 1224 14 58/GOOD 2022 3 45/FAIR 1694 7 REVELSTOKE 48/FAIR 1058 10 39/FAIR 1707 4 98/GOOD 1842 5 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 13 SW 30 CRANBROOK SW 9 SW 28 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 39/FAIR 874 15 100/GOOD 2426 10 100/GOOD 2546 14 100 MILE 57/GOOD 1353 18 85/GOOD 2759 4 100/GOOD 2804 15 WILLIAMS LK 46/FAIR 1342 16 100/GOOD 2694 7 100/GOOD 2727 12 PUNTZI MNT 32/POOR 1299 11 100/GOOD 2548 12 100/GOOD 2517 17 PR. GEORGE 19/POOR 800 13 100/GOOD 2458 6 100/GOOD 2401 9 BURNS LAKE 17/POOR 809 10 100/GOOD 2309 14 100/GOOD 1875 16 SMITHERS 16/POOR 616 12 100/GOOD 1800 10 79/GOOD 1401 9 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 15 SW 35 SMITHERS W 19 W 24 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 54/FAIR 1066 12 100/GOOD 1627 12 100/GOOD 1923 9 FT STJOHN 17/POOR 775 15 100/GOOD 2391 14 100/GOOD 2168 22 WHITEHORSE 62/GOOD 1032 23 100/GOOD 1773 17 100/GOOD 1951 26 DAWSON 20/POOR 508 15 48/FAIR 864 6 37/FAIR 587 15 WATSON LAKE 25/POOR 863 10 100/GOOD 2024 16 100/GOOD 2045 21 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 15 W 24 WATSON LAKE E 24 0 0 WHITEHORSE N 33 N 46 MAYO N 22 N 30 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 21/POOR 178 10 44/FAIR 528 17 37/FAIR 444 9 FRASER VLY 17/POOR 166 7 66/GOOD 1487 7 100/GOOD 1430 13 SRN VRISL 28/POOR 239 11 44/FAIR 334 11 36/FAIR 375 10 CNTRL VRISL 28/POOR 258 14 39/FAIR 787 7 72/GOOD 1018 4 NRN VRISL 33/POOR 507 16 49/FAIR 920 11 77/GOOD 1046 16 TERRACE 30/POOR 563 8 100/GOOD 1535 9 57/GOOD 780 11 STEWART 30/POOR 282 7 41/FAIR 356 12 17/POOR 102 14 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 S 17 SW 30 SANDSPIT W 12 NW 17 NW 28 PORT HARDY 0 0 S 13 S 9 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^