FPCN39 CWLW 171500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 17 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 85/GOOD 767 22 100/GOOD 711 25 90/GOOD 716 31 KAMLOOPS 27/POOR 537 24 98/GOOD 986 25 70/GOOD 1242 43 OKANAGAN 20/POOR 1075 22 89/GOOD 1542 21 80/GOOD 983 30 CASTLEGAR 22/POOR 1272 19 91/GOOD 1500 16 73/GOOD 530 22 CRANBROOK 27/POOR 1814 26 95/GOOD 2354 24 90/GOOD 1437 25 REVELSTOKE 30/POOR 1149 17 70/GOOD 888 16 67/GOOD 503 21 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 11 S 22 SW 48 CRANBROOK SW 11 SW 35 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 32/POOR 763 19 94/GOOD 1137 25 45/FAIR 639 24 100 MILE 20/POOR 1041 17 88/GOOD 1481 26 50/FAIR 1977 38 WILLIAMS LK 26/POOR 1085 17 78/GOOD 1557 22 43/FAIR 1666 24 PUNTZI MNT 24/POOR 1274 25 82/GOOD 2110 37 40/FAIR 2125 43 PR. GEORGE 30/POOR 905 25 77/GOOD 881 32 42/FAIR 1246 26 BURNS LAKE 32/POOR 1099 27 88/GOOD 1542 33 54/FAIR 1063 19 SMITHERS 31/POOR 804 23 76/GOOD 1195 28 38/FAIR 863 9 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 41 SW 20 SMITHERS SW 43 SW 57 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 17/POOR 439 32 40/FAIR 1674 9 83/GOOD 1381 8 FT STJOHN 11/POOR 837 39 38/FAIR 1177 33 71/GOOD 1408 14 WHITEHORSE 25/POOR 834 19 61/GOOD 1224 11 37/FAIR 1255 18 DAWSON 24/POOR 432 5 80/GOOD 644 2 88/GOOD 497 21 WATSON LAKE 16/POOR 755 21 86/GOOD 1660 6 63/GOOD 1865 4 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 24 SW 46 WATSON LAKE S 31 SW 41 WHITEHORSE S 31 SW 54 MAYO SE 35 SE 33 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 39/FAIR 285 17 82/GOOD 83 36 63/GOOD 15 51 FRASER VLY 51/FAIR 424 16 72/GOOD 339 25 67/GOOD 103 37 SRN VRISL 50/FAIR 320 20 70/GOOD 136 23 60/GOOD 64 45 CNTRL VRISL 44/FAIR 324 18 72/GOOD 341 23 70/GOOD 649 39 NRN VRISL 52/FAIR 449 26 85/GOOD 60 25 75/GOOD 53 33 TERRACE 41/FAIR 635 21 80/GOOD 882 19 76/GOOD 437 24 STEWART 46/FAIR 291 19 73/GOOD 206 23 62/GOOD 110 21 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 29 S 35 SW 35 SANDSPIT SW 42 SW 44 SW 46 PORT HARDY S 37 SW 46 SW 48 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^