FPCN39 CWLW 111500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 11 JANUARY 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 19/POOR 335 17 100/GOOD 1512 12 100/GOOD 831 18 KAMLOOPS 42/FAIR 608 15 100/GOOD 1308 12 40/FAIR 543 26 OKANAGAN 74/GOOD 855 17 100/GOOD 1701 10 32/POOR 575 25 CASTLEGAR 50/FAIR 893 11 69/GOOD 1385 12 27/POOR 696 15 CRANBROOK 32/POOR 1134 19 100/GOOD 1958 17 100/GOOD 1805 17 REVELSTOKE 45/FAIR 738 17 100/GOOD 1531 11 73/GOOD 990 16 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 17 W 43 CRANBROOK 0 0 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 43/FAIR 788 24 60/GOOD 1174 9 49/FAIR 908 16 100 MILE 36/FAIR 1147 22 100/GOOD 1793 9 87/GOOD 1385 25 WILLIAMS LK 27/POOR 1087 24 63/GOOD 1474 7 54/FAIR 1279 19 PUNTZI MNT 14/POOR 964 5 38/FAIR 1288 14 54/FAIR 1314 21 PR. GEORGE 17/POOR 781 17 55/GOOD 1183 11 39/FAIR 1130 17 BURNS LAKE 45/FAIR 982 16 34/FAIR 841 19 50/FAIR 1009 23 SMITHERS 45/FAIR 784 18 45/FAIR 982 18 40/FAIR 753 22 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 37 S 26 SMITHERS S 33 S 41 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 497 4 25/POOR 766 6 31/POOR 780 11 FT STJOHN 26/POOR 977 9 33/POOR 1077 9 44/FAIR 1055 18 WHITEHORSE 24/POOR 861 14 32/POOR 928 14 31/POOR 885 17 DAWSON 13/POOR 392 13 12/POOR 377 12 14/POOR 397 26 WATSON LAKE 31/POOR 862 19 35/FAER 651 12 35/FAIR 770 23 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 19 S 31 WATSON LAKE E 33 SE 33 WHITEHORSE E 20 E 28 MAYO E 24 SE 13 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 56/GOOD 439 18 95/GOOD 505 30 58/GOOD 286 30 FRASER VLY 29/POOR 316 15 68/GOOD 539 16 45/FAIR 272 24 SRN VRISL 34/FAIR 484 16 83/GOOD 482 23 97/GOOD 530 21 CNTRL VRISL 36/FAIR 271 17 80/GOOD 454 25 85/GOOD 536 21 NRN VRISL 33/POOR 194 26 45/GOOD 343 14 100/GOOD 561 21 TERRACE 19/POOR 332 18 45/GOOD 562 16 14/POOR 243 21 STEWART 20/POOR 121 16 12/GOOD 576 17 13/POOR 43 25 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 9. W 24 W 39 SANDSPIT SW 29 SW 31 SW 37 PORT HARDY S 29 SW 33 SW 33 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/GF $$$$^^