FPCN39 CWLW 011400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 1 AUGUST 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 1353 13 73/GOOD 1975 3 100/GOOD 2102 7 KAMLOOPS 100/GOOD 1481 21 100/GOOD 2099 6 51/FAIR 2211 2 OKANAGAN 100/GOOD 1261 17 100/GOOD 2044 9 77/GOOD 2220 6 CASTLEGAR 89/GOOD 1051 17 100/GOOD 2222 9 100/GOOD 2466 7 CRANBROOK 37/FAIR 1211 17 100/GOOD 2875 16 100/GOOD 3236 10 REVELSTOKE 100/GOOD 1362 14 100/GOOD 1909 9 100/GOOD 2051 7 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SE 9 S 15 CRANBROOK 0 0 SW 11 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 1472 26 100/GOOD 2090 12 75/GOOD 1952 8 100 MILE 100/GOOD 2089 25 100/GOOD 2586 10 80/GOOD 2696 6 WILLIAMS LK 100/GOOD 1921 23 100/GOOD 2669 9 83/GOOD 2512 8 PUNTZI MNT 100/GOOD 1819 25 100/GOOD 2607 12 100/GOOD 2750 3 PR. GEORGE 100/GOOD 1685 31 100/GOOD 2099 18 41/FAIR 1511 5 BURNS LAKE 100/GOOD 1680 28 100/GOOD 2076 20 42/FAIR 1485 9 SMITHERS 100/GOOD 1409 24 100/GOOD 1839 17 32/POOR 1003 7 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 S 11 SMITHERS S 30 S 48 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 13/POOR 422 11 100/GOOD 1042 29 37/FAIR 624 17 FT STJOHN 42/FAIR 1094 11 100/GOOD 2086 23 100/GOOD 2194 16 WHITEHORSE 100/GOOD 1624 19 100/GOOD 2334 8 37/FAIR 2086 2 DAWSON 100/GOOD 1388 14 100/GOOD 2452 13 100/GOOD 2209 18 WATSON LAKE 100/GOOD 1600 25 100/GOOD 2203 19 100/GOOD 2355 8 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 39 S 50 WATSON LAKE SW 37 SW 30 WHITEHORSE S 41 S 57 MAYO S 43 S 43 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 59/GOOD 428 27 50/FAIR 366 15 34/FAIR 394 11 FRASER VLY 45/FAIR 567 12 47/FAIR 855 9 59/GOOD 918 11 SRN VRISL 62/GOOD 437 22 45/FAIR 336 5 29/POOR 304 6 CNTRL VRISL 98/GOOD 569 27 56/GOOD 773 9 58/GOOD 899 5 NRN VRISL 82/GOOD 694 16 100/GOOD 718 27 95/GOOD 725 26 TERRACE 100/GOOD 1117 10 100/GOOD 1485 10 25/POOR 663 4 STEWART 49/FAIR 520 12 61/GOOD 704 9 48/FAIR 616 8 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 S 13 S 30 SANDSPIT SW 18 S 31 S 48 PORT HARDY 0 0 S 20 S 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^