FPCN39 CWLW 101400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 10 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 18/POOR 335 12 64/GOOD 1399 3 78/GOOD 1272 5 KAMLOOPS 37/FAIR 638 15 70/GOOD 2015 9 100/GOOD 1948 9 OKANAGAN 42/FAIR 759 15 70/GOOD 2016 8 100/GOOD 2190 9 CASTLEGAR 64/GOOD 1077 12 80/GOOD 2176 10 100/GOOD 2194 10 CRANBROOK 35/FAIR 1227 10 80/GOOD 2630 12 100/GOOD 2397 12 REVELSTOKE 15/POOR 540 8 70/GOOD 1816 9 100/GOOD 1775 7 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 NW 20 CRANBROOK 0 0 W 24 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 645 3 100/GOOD 2471 10 100/GOOD 2589 5 100 MILE 30/POOR 1204 11 100/GOOD 2568 11 100/GOOD 2575 10 WILLIAMS LK 17/POOR 1112 6 100/GOOD 2797 7 100/GOOD 2705 9 PUNTZI MNT 14/POOR 992 5 100/GOOD 2286 11 100/GOOD 2512 14 PR. GEORGE 14/POOR 755 5 100/GOOD 2546 11 65/GOOD 1737 10 BURNS LAKE 12/POOR 748 7 100/GOOD 1973 10 70/GOOD 1685 11 SMITHERS 12/POOR 547 6 57/GOOD 1296 6 54/FAIR 1106 7 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 43 W 65 SMITHERS N 28 NW 37 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 13/POOR 413 10 76/GOOD 1684 4 100/GOOD 1639 11 FT STJOHN 50/FAIR 1021 19 77/GOOD 1927 13 97/GOOD 1491 27 WHITEHORSE 15/POOR 784 12 51/FAIR 1555 7 58/GOOD 1439 10 DAWSON 14/POOR 422 9 25/POOR 897 2 25/POOR 694 4 WATSON LAKE 16/POOR 754 14 100/GOOD 2723 9 97/GOOD 2365 5 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 24 NW 24 WATSON LAKE NW 31 NW 22 WHITEHORSE NW 28 NW 30 MAYO NW 37 W 41 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 27/POOR 234 13 24/POOR 298 11 16/POOR 269 11 FRASER VLY 27/POOR 358 12 35/FAIR 877 8 29/POOR 779 4 SRN VRISL 21/POOR 231 13 22/POOR 303 4 22/POOR 194 12 CNTRL VRISL 23/POOR 210 10 31/POOR 671 4 25/POOR 426 8 NRN VRISL 19/POOR 189 11 29/POOR 526 8 28/POOR 460 14 TERRACE 13/POOR 301 4 47/FAIR 1298 2 84/GOOD 1321 8 STEWART 16/POOR 97 8 15/POOR 201 4 21/POOR 309 5 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 NW 17 NW 20 SANDSPIT N 38 NW 30 W 50 PORT HARDY N 20 W 20 W 33 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JDG $$$$^^