FPCN39 CWLW 251500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 25 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 49/FAIR 636 11 76/GOOD 1274 9 42/FAIR 845 11 KAMLOOPS 35/FAIR 646 11 100/GOOD 1749 10 42/FAIR 1189 18 OKANAGAN 49/FAIR 819 16 100/GOOD 1745 12 42/FAIR 1191 15 CASTLEGAR 20/POOR 629 14 100/GOOD 1856 10 42/FAIR 1692 10 CRANBROOK 13/POOR 992 5 100/GOOD 1912 17 42/FAIR 1852 14 REVELSTOKE 31/POOR 675 14 65/GOOD 1192 8 42/FAIR 1141 9 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 11 SW 19 CRANBROOK W 11 W 28 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 45/FAIR 884 15 100/GOOD 1502 15 44/FAIR 786 21 100 MILE 50/FAIR 1317 17 76/GOOD 1940 9 44/FAIR 1883 24 WILLIAMS LK 52/FAIR 1299 17 89/GOOD 1911 10 44/FAIR 1699 19 PUNTZI MNT 62/GOOD 1269 21 100/GOOD 2323 15 41/FAIR 1210 15 PR. GEORGE 22/POOR 830 16 100/GOOD 1734 20 41/FAIR 885 21 BURNS LAKE 25/POOR 847 24 100/GOOD 1772 21 41/FAIR 1380 25 SMITHERS 19/POOR 599 17 100/GOOD 1557 17 41/FAIR 1164 22 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 24 SW 31 SMITHERS S 41 SW 52 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 15/POOR 426 23 100/GOOD 2162 17 78/GOOD 910 21 FT STJOHN 64/GOOD 1022 27 100/GOOD 2639 33 100/GOOD 1517 27 WHITEHORSE 45/FAIR 917 25 100/GOOD 1416 22 87/GOOD 1089 26 DAWSON 20/POOR 473 17 62/GOOD 817 17 38/FAIR 577 22 WATSON LAKE 22/POOR 804 19 100/GOOD 1947 19 100/GOOD 1888 23 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 30 SW 50 WATSON LAKE S 31 S 28 WHITEHORSE S 35 S 54 MAYO S 39 S 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 32/POOR 209 16 40/FAIR 591 5 19/POOR 291 2 FRASER VLY 23/POOR 297 5 89/GOOD 1350 10 19/POOR 856 4 SRN VRISL 47/FAIR 370 16 29/POOR 639 5 22/POOR 258 3 CNTRL VRISL 55/GOOD 443 15 46/FAIR 1001 2 40/FAIR 507 5 NRN VRISL 45/FAIR 342 17 86/GOOD 673 22 13/POOR 33 31 TERRACE 86/GOOD 778 14 88/GOOD 824 18 72/GOOD 551 24 STEWART 27/POOR 188 16 88/GOOD 138 19 72/GOOD 52 24 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 18 S 22 SW 22 SANDSPIT S 74 S 67 SW 50 PORT HARDY S 42 S 50 S 37 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^