FPCN39 CWLW 031500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 3 FEBRUARY 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 26/POOR 371 15 48/FAIR 1231 15 47/FAIR 1156 9 KAMLOOPS 15/POOR 397 16 51/FAIR 1326 18 52/FAIR 1298 15 OKANAGAN 21/POOR 544 12 53/FAIR 1087 14 54/FAIR 1160 12 CASTLEGAR 20/POOR 591 25 40/POOR 1214 19 41/POOR 1217 15 CRANBROOK 19/POOR 1041 16 40/FAIR 1647 15 49/FAIR 1603 15 REVELSTOKE 20/POOR 544 22 37/FAIR 932 17 42/FAIR 879 17 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 E 22 E 15 CRANBROOK E 15 0 0 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 17/POOR 612 14 36/FAIR 821 14 41/FAIR 960 23 100 MILE 21/POOR 1025 19 49/FAIR 1318 21 47/FAIR 1300 24 WILLIAMS LK 20/POOR 1023 14 38/FAIR 1323 18 40/FAIR 1389 21 PUNTZI MNT 25/POOR 1024 19 49/FAIR 1257 24 47/FAIR 1243 10 PR. GEORGE 12/POOR 712 9 36/FAIR 866 10 42/FAIR 907 12 BURNS LAKE 16/POOR 769 18 44/FAIR 1000 24 38/FAIR 1094 11 SMITHERS 23/POOR 642 21 48/FAIR 786 23 37/FAIR 779 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SE 22 E 24 SMITHERS SE 46 SE 33 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 412 27 25/POOR 475 4 14/POOR 534 3 FT STJOHN 15/POOR 748 18 42/FAIR 816 10 16/POOR 822 10 WHITEHORSE 16/POOR 764 27 26/POOR 718 19 15/POOR 780 13 DAWSON 13/POOR 385 28 27/POOR 376 14 13/POOR 384 7 WATSON LAKE 12/POOR 707 12 24/POOR 781 10 13/POOR 792 5 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 SW 13 WATSON LAKE W 31 W 41 WHITEHORSE SW 52 SW 69 MAYO SW 67 SW 72 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 169 53 35/POOR 426 44 31/POOR 387 19 FRASER VLY 24/POOR 231 35 32/POOR 656 28 30/POOR 605 12 SRN VRISL 22/POOR 174 31 32/POOR 501 26 32/POOR 558 14 CNTRL VRISL 19/POOR 218 37 27/POOR 641 31 44/FAIR 501 14 NRN VRISL 30/POOR 189 34 37/FAIR 750 39 43/FAIR 477 26 TERRACE 25/POOR 358 19 38/FAIR 443 20 36/POOR 323 10 STEWART 18/POOR 146 23 24/POOR 45 28 23/POOR 53 15 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 55 SE 48 SE 28 SANDSPIT SE 29 SE 39 E 46 PORT HARDY SE 64 SE 52 SE 52 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^