FPCN39 CWLW 131500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 13 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 74/GOOD 674 14 92/GOOD 809 14 17/POOR 372 7 KAMLOOPS 100/GOOD 841 23 79/GOOD 895 20 36/FAIR 650 3 OKANAGAN 100/GOOD 898 25 100/GOOD 1096 18 22/POOR 515 28 CASTLEGAR 62/GOOD 911 15 55/GOOD 823 11 34/FAIR 721 24 CRANBROOK 48/FAIR 1252 16 48/FAIR 1004 13 20/POOR 1073 27 REVELSTOKE 81/GOOD 902 18 85/GOOD 530 13 41/FAIR 820 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. SW 22 SW 54 CRANBROOK SW 19 SW 57 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 22/POOR 634 30 70/GOOD 1048 10 32/POOR 806 17 100 MILE 100/GOOD 1334 32 85/GOOD 1453 23 30/POOR 1234 19 WILLIAMS LK 60/GOOD 1197 31 85/GOOD 1491 20 28/POOR 1227 16 PUNTZI MNT 35/FAIR 1055 33 31/POOR 1194 17 19/POOR 1021 10 PR. GEORGE 19/POOR 762 21 36/FAIR 909 22 37/FAIR 1082 14 BURNS LAKE 72/GOOD 1048 26 79/GOOD 1102 24 52/FAIR 1120 15 SMITHERS 84/GOOD 921 24 97/GOOD 989 22 52/FAIR 905 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SE 41 S 37 SMITHERS E 46 SE 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 14/POOR 460 4 15/POOR 554 8 18/POOR 520 16 FT STJOHN 30/POOR 991 10 39/FAIR 1017 12 31/POOR 1127 6 WHITEHORSE 20/POOR 816 16 22/POOR 836 15 14/POOR 753 21 DAWSON 12/POOR 372 10 12/POOR 372 7 20/POOR 457 25 WATSON LAKE 14/POOR 722 19 49/FAIR 1040 17 14/POOR 796 3 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 31 SE 24 WATSON LAKE E 33 SE 20 WHITEHORSE NE 28 E 37 MAYO E 31 E 26 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 52/FAIR 272 30 60/GOOD 173 19 39/FAIR 196 24 FRASER VLY 36/FAIR 241 26 55/GOOD 387 13 69/GOOD 289 32 SRN VRISL 22/POOR 113 21 70/GOOD 129 11 100/GOOD 478 38 CNTRL VRISL 34/FAIR 209 21 65/GOOD 380 12 24/POOR 116 27 NRN VRISL 24/POOR 140 24 70/GOOD 497 18 16/POOR 75 22 TERRACE 83/GOOD 592 24 92/GOOD 689 20 50/FAIR 568 16 STEWART 59/GOOD 294 26 18/POOR 72 26 21/POOR 105 20 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 16 S 24 S 39 SANDSPIT E 48 E 33 E 30 PORT HARDY S 25 S 24 SW 30 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^