FPCN39 CWLW 141400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 14 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 34/FAIR 630 7 60/GOOD 636 16 100/GOOD 1128 13 KAMLOOPS 52/FAIR 1024 16 42/FAIR 658 15 100/GOOD 2322 21 OKANAGAN 35/FAIR 635 2 97/GOOD 968 19 100/GOOD 2231 15 CASTLEGAR 30/FAIR 213 5 78/GOOD 1187 12 100/GOOD 1966 9 CRANBROOK 30/FAIR 671 9 84/GOOD 1664 14 100/GOOD 2511 7 REVELSTOKE 30/FAIR 102 8 84/GOOD 1020 14 50/FAIR 1121 3 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 22 W 43 CRANBROOK W 11 W 33 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 1561 20 100/GOOD 1923 19 85/GOOD 1554 6 100 MILE 100/GOOD 1958 20 100/GOOD 2002 26 100/GOOD 3244 26 WILLIAMS LK 100/GOOD 2085 17 100/GOOD 2315 15 100/GOOD 2896 23 PUNTZI MNT 100/GOOD 1971 24 100/GOOD 1997 24 100/GOOD 3310 24 PR. GEORGE 100/GOOD 1807 32 100/GOOD 2199 27 57/GOOD 1700 5 BURNS LAKE 100/GOOD 1936 35 100/GOOD 2277 30 97/GOOD 1805 10 SMITHERS 100/GOOD 1692 31 100/GOOD 2095 27 98/GOOD 1562 10 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NE 43 NE 22 SMITHERS E 41 E 33 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 16/POOR 446 16 97/GOOD 1429 13 100/GOOD 1510 14 FT STJOHN 33/POOR 898 21 100/GOOD 1841 21 90/GOOD 1686 15 WHITEHORSE 36/FAIR 954 20 35/FAIR 1278 8 100/GOOD 2062 28 DAWSON 18/POOR 446 20 30/POOR 615 11 100/GOOD 1045 24 WATSON LAKE 16/POOR 761 15 75/GOOD 1683 10 52/FAIR 1701 9 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 46 NE 50 WATSON LAKE E 19 NE 39 WHITEHORSE E 24 NE 33 MAYO SE 9 NE 11 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 45/FAIR 522 19 49/FAIR 326 10 100/GOOD 786 20 FRASER VLY 61/GOOD 455 20 34/FAIR 277 18 100/GOOD 1566 19 SRN VRISL 38/FAIR 502 25 38/FAIR 211 7 83/GOOD 437 20 CNTRL VRISL 54/FAIR 716 20 27/POOR 160 7 100/GOOD 1033 19 NRN VRISL 43/FAIR 322 16 100/GOOD 1336 18 100/GOOD 1017 23 TERRACE 100/GOOD 1374 28 100/GOOD 1747 23 100/GOOD 1543 8 STEWART 100/GOOD 735 31 53/FAIR 236 25 22/POOR 189 13 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 SW 20 W 28 SANDSPIT N 29 N 28 NW 37 PORT HARDY NW 9. W 17 W 26 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^