FPCN39 CWLW 291400 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 FRIDAY 29 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 100/GOOD 848 23 100/GOOD 2073 33 58/GOOD 622 14 KAMLOOPS 100/GOOD 876 22 55/GOOD 2032 36 100/GOOD 1098 21 OKANAGAN 85/GOOD 872 19 49/GOOD 2019 35 43/FAIR 745 17 CASTLEGAR 48/FAIR 832 15 47/FAIR 795 22 20/POOR 606 18 CRANBROOK 35/FAIR 1124 23 100/GOOD 1625 26 18/POOR 1027 21 REVELSTOKE 86/GOOD 1037 14 13/POOR 480 23 12/POOR 473 11 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 11 SW 30 W 76 CRANBROOK W 20 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 46/FAIR 777 19 66/POOR 1583 33 100/GOOD 1631 12 100 MILE 28/POOR 1072 18 61/POOR 1004 38 38/FAIR 1445 11 WILLIAMS LK 20/POOR 1054 16 65/GOOD 1973 36 63/GOOD 1781 12 PUNTZI MNT 100/GOOD 1424 21 100/GOOD 1342 38 100/GOOD 2425 22 PR. GEORGE 61/GOOD 964 20 66/GOOD 1729 39 100/GOOD 1927 15 BURNS LAKE 54/FAIR 1002 25 61/GOOD 1786 34 100/GOOD 1881 18 SMITHERS 90/GOOD 1037 19 69/GOOD 1653 28 100/GOOD 1634 16 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 37 W 41 SMITHERS W 30 W 41 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 424 19 41/FAIR 696 22 56/GOOD 653 30 FT STJOHN 25/POOR 805 37 59/GOOD 985 23 100/GOOD 2173 35 WHITEHORSE 16/POOR 752 27 33/POOR 937 15 43/FAIR 881 28 DAWSON 16/POOR 436 14 16/POOR 482 11 19/POOR 481 10 WATSON LAKE 12/POOR 717 21 98/GOOD 1257 25 100/GOOD 1618 21 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 20 W 37 WATSON LAKE S 26 SW 28 WHITEHORSE SW 31 SW 46 MAYO S 37 S 43 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 53/FAIR 278 25 21/POOR 50 55 20/POOR 100 16 FRASER VLY 28/POOR 238 20 17/POOR 95 44 18/POOR 155 17 SRN VRISL 46/FAIR 243 26 17/POOR 45 43 14/POOR 55 16 CNTRL VRISL 64/GOOD 377 24 18/POOR 74 37 42/FAIR 381 12 NRN VRISL 100/GOOD 772 45 70/GOOD 263 32 63/GOOD 796 15 TERRACE 98/GOOD 729 18 53/FAIR 467 29 72/GOOD 853 17 STEWART 87/GOOD 517 17 22/POOR 136 23 40/FAIR 221 18 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 53 W 70 W 69 SANDSPIT W 25 W 31 W 37 PORT HARDY W 33 W 50 W 61 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^