FPCN39 CWLW 311500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST MONDAY 31 JANUARY 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 30/POOR 421 18 40/FAIR 943 17 96/GOOD 569 26 KAMLOOPS 30/POOR 552 16 40/FAIR 1085 22 100/GOOD 1178 34 OKANAGAN 40/FAIR 711 20 40/FAIR 1030 24 100/GOOD 938 28 CASTLEGAR 17/POOR 575 17 40/FAIR 891 10 54/FAIR 755 25 CRANBROOK 13/POOR 1007 3 41/FAIR 1328 11 72/GOOD 1234 33 REVELSTOKE 18/POOR 547 20 30/POOR 704 12 33/POOR 641 21 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 19 S 30 CRANBROOK 0 0 S 28 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 748 32 69/GOOD 751 29 42/FAIR 775 16 100 MILE 41/FAIR 1133 30 100/GOOD 1676 30 42/FAIR 1459 29 WILLIAMS LK 34/FAIR 1097 31 78/GOOD 1329 29 42/FAIR 1073 18 PUNTZI MNT 14/POOR 948 19 100/GOOD 2137 22 42/FAIR 1060 19 PR. GEORGE 34/FAIR 830 34 74/GOOD 1053 29 42/FAIR 892 20 BURNS LAKE 27/POOR 831 29 69/GOOD 1051 23 42/FAIR 931 17 SMITHERS 33/POOR 670 27 69/GOOD 849 19 42/FAIR 831 17 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 61 SW 54 SMITHERS S 65 S 102 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 428 20 19/POOR 446 30 17/POOR 461 25 FT STJOHN 14/POOR 730 21 44/FAIR 1044 27 17/POOR 863 7 WHITEHORSE 88/GOOD 780 35 88/GOOD 739 32 75/GOOD 948 29 DAWSON 14/POOR 392 41 12/POOR 375 36 13/POOR 389 21 WATSON LAKE 17/POOR 749 22 17/POOR 747 29 23/POOR 852 18 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 56 S 113 WATSON LAKE S 56 S 74 WHITEHORSE S 61 S 117 MAYO S 50 S 70 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 47/FAIR 204 30 47/FAIR 130 44 66/GOOD1 8 43 FRASER VLY 37/FAIR 255 25 37/FAIR 206 26 66/GOOD 75 37 SRN VRISL 33/POOR 142 25 17/POOR 65 42 66/GOOD 23 39 CNTRL VRISL 28/POOR 135 25 53/FAIR 281 40 66/GOOD 49 27 NRN VRISL 66/GOOD 177 32 66/GOOD 83 52 66/GOOD 194 35 TERRACE 66/GOOD 269 26 66/GOOD 230 16 66/GOOD 559 16 STEWART 66/GOOD 78 26 66/GOOD 62 15 66/GOOD 134 23 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 29 S 43 S 48 SANDSPIT SW 59 SW 69 SW 74 PORT HARDY S 48 S 61 S 63 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^