FPCN39 CWLW 061400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 6 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 100/GOOD 1197 14 100/GOOD 2302 13 99/GOOD 1016 11 KAMLOOPS 100/GOOD 1027 21 100/GOOD 2297 17 100/GOOD 1452 18 OKANAGAN 100/GOOD 1372 17 100/GOOD 2283 18 100/GOOD 1590 15 CASTLEGAR 100/GOOD 1374 14 100/GOOD 2902 17 100/GOOD 1929 12 CRANBROOK 100/GOOD 1550 19 100/GOOD 3261 24 100/GOOD 2240 18 REVELSTOKE 100/GOOD 1231 13 100/GOOD 2114 16 100/GOOD 1367 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 17 W 24 CRANBROOK W 11 W 31 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 100/GOOD 1553 22 100/GOOD 2924 16 100/GOOD 1667 18 100 MILE 100/GOOD 2337 25 100/GOOD 2793 19 100/GOOD 2491 22 WILLIAMS LK 100/GOOD 1949 21 100/GOOD 2898 17 100/GOOD 2675 23 PUNTZI MNT 100/GOOD 1754 20 100/GOOD 3197 21 100/GOOD 2220 29 PR. GEORGE 100/GOOD 1359 26 100/GOOD 2623 20 100/GOOD 1447 23 BURNS LAKE 100/GOOD 1831 16 100/GOOD 2793 21 100/GOOD 2246 39 SMITHERS 87/GOOD 1159 16 100/GOOD 1962 16 100/GOOD 1465 30 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 30 W 28 SMITHERS SW 31 SW 43 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 1122 19 88/GOOD 1521 12 97/GOOD 1120 16 FT STJOHN 93/GOOD 1636 16 75/GOOD 1975 6 100/GOOD 2178 26 WHITEHORSE 43/FAIR 1324 9 70/GOOD 1873 4 100/GOOD 1682 19 DAWSON 62/GOOD 662 27 66/GOOD 800 18 59/GOOD 748 19 WATSON LAKE 100/GOOD 1490 20 95/GOOD 1494 19 100/GOOD 1380 28 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 15 SW 22 WATSON LAKE W 26 W 20 WHITEHORSE SW 17 SW 13 MAYO NE 19 W 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 100/GOOD 1136 29 86/GOOD 880 10 20/POOR 423 4 FRASER VLY 100/GOOD 870 17 100/GOOD 1438 15 31/POOR 952 5 SRN VRISL 100/GOOD 857 20 79/GOOD 868 10 26/POOR 317 9 CNTRL VRISL 100/GOOD 1014 20 100/GOOD 1303 6 45/FAIR 830 7 NRN VRISL 63/GOOD 577 16 60/GOOD 597 10 100/GOOD 743 15 TERRACE 96/GOOD 919 12 100/GOOD 1627 13 100/GOOD 768 21 STEWART 76/GOOD 584 14 58/GOOD 477 10 71/GOOD 293 25 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 25 W 31 W 33 SANDSPIT W 48 W 50 W 50 PORT HARDY SW 31 W 39 W 48 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^