FPCN39 CWLW 231500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 23 NOVEMBER 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 13/POOR 310 6 52/FAIR 1169 10 60/GOOD 1322 27 KAMLOOPS 15/POOR 443 12 42/FAIR 984 6 59/GOOD 1501 26 OKANAGAN 58/GOOD 777 20 45/FAIR 889 7 60/GOOD 1499 30 CASTLEGAR 25/POOR 734 10 34/FAIR 686 9 60/GOOD 1784 25 CRANBROOK 30/POOR 1158 15 52/FAIR 1349 16 85/GOOD 1379 29 REVELSTOKE 30/POOR 737 11 36/FAIR 748 9 54/GOOD 1487 21 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. S 24 SW 44 CRANBROOK W 15 W 44 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 14/POOR 625 10 40/FAIR 1076 15 63/GOOD 569 22 100 MILE 17/POOR 1071 14 36/FAIR 1501 6 64/GOOD 967 29 WILLIAMS LK 14/POOR 984 14 35/FAIR 1364 11 62/GOOD 956 24 PUNTZI MNT 13/POOR 951 21 50/FAIR 1664 13 60/GOOD 1654 32 PR. GEORGE 15/POOR 746 20 41/FAIR 1179 15 54/GOOD 1720 32 BURNS LAKE 14/POOR 761 15 53/FAIR 1135 20 70/GOOD 1213 32 SMITHERS 13/POOR 555 20 34/FAIR 820 19 63/GOOD 1546 29 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 33 W 41 SMITHERS SW 33 SW 43 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 402 19 13/POOR 409 22 26/POOR 512 7 FT STJOHN 14/POOR 727 29 18/POOR 776 24 17/POOR 748 40 WHITEHORSE 14/POOR 736 26 13/POOR 732 27 14/POOR 730 18 DAWSON 14/POOR 396 21 13/POOR 389 28 13/POOR 398 14 WATSON LAKE 12/POOR 703 13 12/POOR 700 15 22/POOR 782 31 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 28 SW 46 WATSON LAKE W 37 W 37 WHITEHORSE SW 31 SW 46 MAYO S 22 S 24 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 21/POOR 269 10 62/GOOD 1448 7 63/GOOD 915 24 FRASER VLY 24/POOR 288 9 57/GOOD 1451 11 64/GOOD 975 32 SRN VRISL 34/FAIR 331 10 57/GOOD 1347 8 63/GOOD 732 27 CNTRL VRISL 26/POOR 387 6 58/GOOD 1589 6 64/GOOD 960 26 NRN VRISL 13/POOR 53 9 73/GOOD 1671 26 77/GOOD 1362 19 TERRACE 21/POOR 361 14 58/GOOD 1455 16 65/GOOD 1262 23 STEWART 12/POOR 41 12 58/GOOD 987 19 64/GOOD 994 29 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 27 SW 37 SW 43 SANDSPIT W 29 W 30 W 30 PORT HARDY SW 14 SW 22 SW 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^