FPCN39 CWLW 291400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 29 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 1507 13 100/GOOD 1613 14 100/GOOD 1005 21 KAMLOOPS 100/GOOD 1798 16 100/GOOD 2093 19 100/GOOD 1433 27 OKANAGAN 100/GOOD 1861 10 100/GOOD 2190 14 100/GOOD 1795 28 CASTLEGAR 100/GOOD 1688 10 100/GOOD 2507 13 100/GOOD 1759 17 CRANBROOK 100/GOOD 2033 13 100/GOOD 2706 13 100/GOOD 2336 26 REVELSTOKE 100/GOOD 2021 11 100/GOOD 2003 10 100/GOOD 1245 16 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 19 SW 41 CRANBROOK S 9 S 24 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 2728 19 100/GOOD 3150 24 100/GOOD 2134 36 100 MILE 100/GOOD 2337 22 100/GOOD 2926 23 100/GOOD 2168 36 WILLIAMS LK 100/GOOD 2402 19 100/GOOD 3154 21 100/GOOD 2494 33 PUNTZI MNT 100/GOOD 2272 19 100/GOOD 2847 23 100/GOOD 2658 33 PR. GEORGE 100/GOOD 2984 23 100/GOOD 3343 19 100/GOOD 2329 33 BURNS LAKE 100/GOOD 2227 23 100/GOOD 2546 22 100/GOOD 1360 21 SMITHERS 100/GOOD 1660 21 100/GOOD 2196 20 80/GOOD 1072 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 33 S 30 SMITHERS SE 26 S 30 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 86/GOOD 815 21 100/GOOD 3449 24 100/GOOD 2546 25 FT STJOHN 100/GOOD 1841 34 100/GOOD 3641 29 100/GOOD 2744 22 WHITEHORSE 100/GOOD 1398 24 100/GOOD 2273 23 100/GOOD 2329 21 DAWSON 30/POOR 719 12 100/GOOD 1477 17 100/GOOD 1874 9 WATSON LAKE 37/FAIR 911 20 100/GOOD 2820 24 100/GOOD 1926 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 13 S 20 WATSON LAKE SE 33 SE 37 WHITEHORSE 0 0 0 0 MAYO E 31 E 31 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 1089 17 84/GOOD 759 16 24/POOR 67 46 FRASER VLY 100/GOOD 1246 11 100/GOOD 1363 9 44/FAIR 298 32 SRN VRISL 100/GOOD 1039 13 53/FAIR 522 12 18/POOR 58 32 CNTRL VRISL 73/GOOD 627 16 100/GOOD 1023 16 25/POOR 137 27 NRN VRISL 39/FAIR 232 23 100/GOOD 462 42 72/GOOD 690 10 TERRACE 100/GOOD 909 16 100/GOOD 983 17 87/GOOD 862 13 STEWART 42/FAIR 297 20 38/FAIR 201 21 37/FAIR 267 12 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 42 S 54 SW 50 SANDSPIT SE 64 SE 57 SE 50 PORT HARDY S 61 S 78 S 78 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/AK $$$$^^