FPCN39 CWLW 111500 COR REVISED SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 11 DECEMBER 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 30/POOR 395 23 26/POOR 390 24 42/FAIR 424 17 KAMLOOPS 21/POOR 433 28 23/POOR 474 23 14/POOR 373 25 OKANAGAN 28/POOR 584 20 17/POOR 514 21 25/POOR 546 20 CASTLEGAR 28/POOR 551 17 17/POOR 578 18 16/POOR 559 19 CRANBROOK 30/POOR 1005 25 53/FAIR 1202 21 15/POOR 978 30 REVELSTOKE 30/POOR 660 18 22/POOR 595 16 26/POOR 591 23 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 22 W 39 CRANBROOK W 19 W 50 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 13/POOR 566 25 12/POOR 554 22 40/FAIR 735 24 100 MILE 14/POOR 978 24 17/POOR 1010 24 15/POOR 974 29 WILLIAMS LK 13/POOR 962 24 12/POOR 966 22 67/GOOD 1275 27 PUNTZI MNT 14/POOR 946 35 50/FAIR 1187 22 99/GOOD 1352 31 PR. GEORGE 13/POOR 722 33 13/POOR 709 20 21/POOR 773 16 BURNS LAKE 13/POOR 738 33 18/POOR 806 13 43/FAIR 1025 23 SMITHERS 16/POOR 573 25 15/POOR 561 15 59/GOOD 938 18 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 35 W 57 SMITHERS SW 43 W 52 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 12/POOR 399 1 12/POOR 413 3 50/FAIR 748 16 FT STJOHN 13/POOR 717 20 13/POOR 712 32 19/POOR 830 16 WHITEHORSE 12/POOR 717 17 12/POOR 725 15 21/POOR 848 11 DAWSON 12/POOR 380 22 12/POOR 378 3 12/POOR 372 14 WATSON LAKE 12/POOR 706 8 13/POOR 715 18 34/FAIR 870 24 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 28 W 56 WATSON LAKE W 31 W 39 WHITEHORSE S 15 SW 31 MAYO W 15 W 33 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 13/POOR 26 24 32/POOR 110 32 22/POOR 63 12 FRASER VLY 22/POOR 161 29 34/FAIR 288 30 26/POOR 161 24 SRN VRISL 12/POOR 29 32 42/FAIR 322 35 25/POOR 87 25 CNTRL VRISL 12/POOR 42 26 52/FAIR 434 25 21/POOR 105 14 NRN VRISL 14/POOR 58 25 52/FAIR 530 23 73/GOOD 386 24 TERRACE 19/POOR 328 20 42/FAIR 543 15 24/POOR 402 13 STEWART 29/POOR 220 22 30/POOR 295 13 12/POOR 41 12 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 37 SW 43 W 43 SANDSPIT W 53 W 65 W 78 PORT HARDY SW 40 W 54 W 72 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^