FPCN39 CWLW 201400 SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 20 OCTOBER 1999 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 328 24 32/POOR 875 7 32/POOR 875 7 KAMLOOPS 16/POOR 419 19 22/POOR 886 9 22/POOR 886 9 OKANAGAN 20/POOR 530 21 23/POOR 979 3 23/POOR 979 2 CASTLEGAR 12/POOR 530 14 35/FAIR 1036 6 35/FAIR 1036 6 CRANBROOK 17/POOR 1031 12 50/FAIR 1400 9 67/GOOD 1622 9 REVELSTOKE 18/POOR 560 16 28/POOR 813 3 43/FAIR 1098 3 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 0 0 CRANBROOK 0 0 N 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 15/POOR 589 22 13/POOR 582 13 55/GOOD 1191 17 100 MILE 13/POOR 973 15 13/POOR 994 1 43/FAIR 1722 10 WILLIAMS LK 13/POOR 969 18 13/POOR 981 6 40/FAIR 1658 13 PUNTZI MNT 17/POOR 967 31 100/GOOD 1468 16 61/GOOD 1564 8 PR. GEORGE 14/POOR 718 31 16/POOR 738 21 12/POOR 709 18 BURNS LAKE 14/POOR 746 32 62/GOOD 1080 19 100/GOOD 1361 20 SMITHERS 25/POOR 704 30 15/POOR 552 13 100/GOOD 1011 21 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 46 W 61 SMITHERS SW 70 W 96 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 405 34 100/GOOD 1650 39 53/FAIR 653 26 FT STJOHN 72/GOOD 974 40 100/GOOD 2491 35 16/POOR 752 17 WHITEHORSE 70/GOOD 1018 31 100/GOOD 2118 15 100/GOOD 1362 34 DAWSON 90/GOOD 967 23 28/POOR 520 6 26/POOR 471 32 WATSON LAKE 27/POOR 786 34 100/GOOD 1972 27 18/POOR 759 24 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 52 SW 91 WATSON LAKE SW 54 W 94 WHITEHORSE SW 50 SW 81 MAYO SW 30 SW 28 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 14/POOR 63 13 14/POOR 152 4 15/POOR 129 8 FRASER VLY 16/POOR 127 12 18/POOR 407 4 18/POOR 354 6 SRN VRISL 13/POOR 59 3 13/POOR 127 3 16/POOR 131 9 CNTRL VRISL 12/POOR 64 2 15/POOR 324 3 17/POOR 339 5 NRN VRISL 12/POOR 49 5 19/POOR 229 3 13/POOR 69 8 TERRACE 32/POOR 483 18 13/POOR 240 10 12/POOR 234 20 STEWART 58/GOOD 563 20 25/POOR 154 6 27/POOR 156 25 FORCAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 16 S 19 S 9 SANDSPIT SW 62 SW 78 SW 83 PORT HARDY 0 0 W 11 W 26 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/RET $$$$^^