FPCN39 CWLW 041400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 4 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 1300 16 100/GOOD 911 20 100/GOOD 2124 17 KAMLOOPS 41/FAIR 606 18 100/GOOD 2896 28 100/GOOD 1953 23 OKANAGAN 100/GOOD 2488 15 100/GOOD 2336 31 100/GOOD 1683 22 CASTLEGAR 48/FAIR 891 9 100/GOOD 1625 21 100/GOOD 2874 18 CRANBROOK 13/POOR 964 12 100/GOOD 1514 22 100/GOOD 2895 24 REVELSTOKE 100/GOOD 1256 13 82/GOOD 924 16 100/GOOD 1826 15 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 11 SW 30 W 39 CRANBROOK W 9 W 37 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 1438 17 100/GOOD 2513 16 100/GOOD 2154 18 100 MILE 100/GOOD 2092 16 100/GOOD 2483 28 100/GOOD 2909 24 WILLIAMS LK 93/GOOD 1856 14 100/GOOD 2991 20 100/GOOD 3148 19 PUNTZI MNT 84/GOOD 1440 17 100/GOOD 2953 22 100/GOOD 3224 28 PR. GEORGE 100/GOOD 1370 20 100/GOOD 2005 20 100/GOOD 2267 18 BURNS LAKE 100/GOOD 1639 20 100/GOOD 2487 21 100/GOOD 2518 28 SMITHERS 87/GOOD 1049 20 100/GOOD 1970 17 100/GOOD 1688 21 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 37 W 50 SMITHERS SW 37 SW 50 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 1155 18 100/GOOD 1643 12 93/GOOD 1174 16 FT STJOHN 70/GOOD 1138 19 100/GOOD 1911 12 100/GOOD 2582 14 WHITEHORSE 100/GOOD 1672 15 100/GOOD 1925 14 47/FAIR 1588 7 DAWSON 20/POOR 469 19 45/FAIR 824 4 49/FAIR 774 20 WATSON LAKE 100/GOOD 1828 20 100/GOOD 2602 17 100/GOOD 2244 9 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 30 SW 44 WATSON LAKE W 33 W 37 WHITEHORSE SW 30 SW 26 MAYO NE 24 0 0 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 990 29 100/GOOD 669 25 100/GOOD 1078 21 FRASER VLY 100/GOOD 1108 19 100/GOOD 857 24 100/GOOD 1090 20 SRN VRISL 95/GOOD 552 24 100/GOOD 1205 31 100/GOOD 1078 27 CNTRL VRISL 100/GOOD 1079 19 100/GOOD 1087 22 100/GOOD 1184 22 NRN VRISL 51/FAIR 589 10 100/GOOD 1069 19 100/GOOD 916 22 TERRACE 60/GOOD 772 8 100/GOOD 1222 12 100/GOOD 1143 17 STEWART 32/POOR 317 11 100/GOOD 436 10 56/GOOD 407 14 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 11 SW 30 SW 48 SANDSPIT SW 31 SW 37 SW 43 PORT HARDY W 16 SW 31 SW 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^