FPCN39 CWLW 011431 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 1 FEBRUARY 2001 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 51/FAIR 512 21 80/GOOD 675 21 39/FAIR 367 27 KAMLOOPS 23/POOR 475 19 41/FAIR 579 19 100/GOOD 1023 32 OKANAGAN 31/POOR 605 20 29/POOR 592 20 100/GOOD 1405 27 CASTLEGAR 16/POOR 573 13 38/FAIR 804 13 51/FAIR 798 22 CRANBROOK 14/POOR 997 8 86/GOOD 1434 20 70/GOOD 1301 26 REVELSTOKE 23/POOR 621 13 14/POOR 498 14 47/FAIR 724 19 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. SW 22 SW 43 CRANBROOK W 19 W 61 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 755 27 60/GOOD 690 28 62/GOOD 878 26 100 MILE 32/POOR 1094 28 60/GOOD 1136 26 100/GOOD 1642 34 WILLIAMS LK 31/POOR 1093 27 60/GOOD 1159 25 100/GOOD 1470 27 PUNTZI MNT 24/POOR 1007 22 100/GOOD 1655 22 100/GOOD 1945 27 PR. GEORGE 46/FAIR 912 29 70/GOOD 1200 31 49/FAIR 977 25 BURNS LAKE 21/POOR 812 24 70/GOOD 1200 18 35/FAIR 969 18 SMITHERS 16/POOR 593 22 12/POOR 537 13 45/FAIR 871 15 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 46 W 48 SMITHERS SW 37 SW 56 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 425 23 14/POOR 422 28 16/POOR 468 10 FT STJOHN 20/POOR 767 33 40/FAIR 718 34 14/POOR 718 37 WHITEHORSE 13/POOR 726 29 12/POOR 709 23 27/POOR 859 21 DAWSON 16/POOR 417 25 12/POOR 379 24 17/POOR 439 10 WATSON LAKE 13/POOR 706 19 14/POOR 735 23 18/POOR 852 4 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 28 SW 59 WATSON LAKE W 41 W 52 WHITEHORSE SW 37 W 57 MAYO SW 33 W 50 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 28/POOR 120 23 40/FAIR 400 37 15/POOR 29 48 FRASER VLY 17/POOR 130 21 40/FAIR 400 26 23/POOR 151 35 SRN VRISL 18/POOR 89 14 60/GOOD 1000 29 20/POOR 67 45 CNTRL VRISL 50/FAIR 282 17 60/GOOD 1000 28 68/GOOD 273 38 NRN VRISL 90/GOOD 349 39 60/GOOD 1000 50 72/GOOD 316 30 TERRACE 38/FAIR 440 23 13/POOR 245 14 12/POOR 238 14 STEWART 22/POOR 147 20 12/POOR 35 13 12/POOR 31 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 40 S 54 SW 59 SANDSPIT SE 48 SE 54 S 65 PORT HARDY SE 77 S 98 S 91 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/CC/MTNWC