FPCN39 CWLW 121400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 12 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 15/POOR 303 10 50/FAIR 1671 10 50/FAIR 295 9 KAMLOOPS 15/POOR 434 8 50/FAIR 2101 12 50/FAIR 700 12 OKANAGAN 15/POOR 545 4 50/FAIR 2287 14 50/FAIR 1280 15 CASTLEGAR 17/POOR 609 13 50/FAIR 2374 12 50/FAIR 851 9 CRANBROOK 18/POOR 1034 17 50/FAIR 2268 9 50/FAIR 1209 22 REVELSTOKE 12/POOR 472 14 50/FAIR 1362 3 50/FAIR 625 19 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 W 20 CRANBROOK N 11 NW 30 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 25/POOR 695 16 79/GOOD 1556 13 100/GOOD 2009 32 100 MILE 32/POOR 1195 16 100/GOOD 2445 13 63/GOOD 1390 21 WILLIAMS LK 43/FAIR 1330 18 100/GOOD 2427 12 100/GOOD 2065 21 PUNTZI MNT 24/POOR 1095 15 100/GOOD 2711 21 100/GOOD 1713 28 PR. GEORGE 14/POOR 755 9 79/GOOD 1219 13 100/GOOD 2340 41 BURNS LAKE 13/POOR 776 6 79/GOOD 1262 11 100/GOOD 2396 40 SMITHERS 12/POOR 552 9 79/GOOD 1152 4 100/GOOD 2196 33 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 15 NW 35 SMITHERS SW 19 W 30 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 100/GOOD 1403 22 100/GOOD 2115 20 100/GOOD 2085 13 FT STJOHN 57/GOOD 999 19 100/GOOD 1852 27 100/GOOD 2719 25 WHITEHORSE 18/POOR 811 8 98/GOOD 1561 12 46/FAIR 1344 5 DAWSON 21/POOR 463 26 32/POOR 708 7 27/POOR 600 10 WATSON LAKE 71/GOOD 1182 22 100/GOOD 2617 7 100/GOOD 2125 5 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 W 15 WATSON LAKE 0 0 NW 15 WHITEHORSE 0 0 NW 9 MAYO 0 0 N 11 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 15/POOR 69 7 31/POOR 382 7 29/POOR 192 27 FRASER VLY 14/POOR 118 4 63/GOOD 927 11 30/POOR 255 14 SRN VRISL 14/POOR 68 11 15/POOR 155 2 12/POOR 29 20 CNTRL VRISL 20/POOR 141 17 36/FAIR 784 4 100/GOOD 739 20 NRN VRISL 17/POOR 139 9 47/FAIR 496 21 40/FAIR 609 14 TERRACE 12/POOR 264 7 100/GOOD 1148 5 100/GOOD 1831 28 STEWART 14/POOR 81 6 100/GOOD 325 16 100/GOOD 255 28 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 11 0 0 W 13 SANDSPIT SE 18 SE 19 S 20 PORT HARDY SE 12 S 26 SW 30 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^