FPCN39 CWLW 191500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 19 MARCH 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 100/GOOD 841 16 100/GOOD 1771 7 100/GOOD 1231 18 KAMLOOPS 37/FAIR 556 24 100/GOOD 2107 18 100/GOOD 1457 22 OKANAGAN 100/GOOD 1243 21 100/GOOD 2852 17 100/GOOD 1911 15 CASTLEGAR 100/GOOD 1583 21 100/GOOD 2137 16 100/GOOD 2013 11 CRANBROOK 100/GOOD 2090 28 100/GOOD 3342 22 100/GOOD 2724 16 REVELSTOKE 100/GOOD 1260 21 100/GOOD 1860 17 100/GOOD 1912 12 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 9. SW 26 W 57 CRANBROOK W 20 W 61 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 53/FAIR 848 24 100/GOOD 2491 25 100/GOOD 1411 21 100 MILE 54/FAIR 1245 24 100/GOOD 2572 25 100/GOOD 1729 18 WILLIAMS LK 33/POOR 1137 23 100/GOOD 2667 22 74/GOOD 1591 13 PUNTZI MNT 19/POOR 1022 20 100/GOOD 2893 23 100/GOOD 1673 21 PR. GEORGE 76/GOOD 1054 27 100/GOOD 1841 24 91/GOOD 1195 26 BURNS LAKE 65/GOOD 1038 22 100/GOOD 2013 22 100/GOOD 1606 30 SMITHERS 78/GOOD 989 14 100/GOOD 1825 17 100/GOOD 1183 24 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 37 SW 35 SMITHERS SW 41 SW 54 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 20/POOR 935 26 43/FAIR 846 7 32/POOR 597 17 FT STJOHN 30/POOR 1486 26 34/FAIR 830 29 100/GOOD 1517 36 WHITEHORSE 40/FAIR 1041 18 100/GOOD 1353 24 100/GOOD 1497 27 DAWSON 19/POOR 531 3 47/FAIR 687 18 37/FAIR 640 14 WATSON LAKE 20/POOR 771 23 100/GOOD 2129 17 100/GOOD 2252 30 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 22 SW 43 WATSON LAKE W 33 SW 37 WHITEHORSE SW 30 W 30 MAYO W 13 W 19 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 70/GOOD 510 18 69/GOOD 541 20 56/GOOD 501 16 FRASER VLY 79/GOOD 545 17 82/GOOD 927 13 84/GOOD 802 16 SRN VRISL 93/GOOD 533 24 70/GOOD 744 11 45/FAIR 388 15 CNTRL VRISL 80/GOOD 523 19 100/GOOD 1018 17 61/GOOD 575 14 NRN VRISL 66/GOOD 512 18 100/GOOD 1046 26 35/FAIR 162 31 TERRACE 53/FAIR 741 6 100/GOOD 1639 9 40/FAIR 467 19 STEWART 19/POOR 85 12 60/GOOD 250 7 55/GOOD 291 21 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 31 SW 46 W 56 SANDSPIT S 48 S 54 SW 65 PORT HARDY S 46 S 56 SW 56 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^