FPCN39 CWLW 211500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST MONDAY 21 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 30/POOR 435 17 75/GOOD 604 15 66/GOOD 503 27 KAMLOOPS 32/POOR 555 18 51/FAIR 693 17 100/GOOD 776 31 OKANAGAN 41/FAIR 635 25 50/FAIR 685 18 100/GOOD 1107 31 CASTLEGAR 15/POOR 560 21 40/FAIR 576 14 41/FAIR 750 20 CRANBROOK 13/POOR 991 6 55/GOOD 1290 18 30/POOR 1127 19 REVELSTOKE 23/POOR 592 18 44/FAIR 501 14 39/FAIR 666 21 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 12 S 26 S 46 CRANBROOK S 9 SW 37 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 51/FAIR 802 29 65/GOOD 829 9 100/GOOD 1357 38 100 MILE 67/GOOD 1261 27 70/GOOD 1227 17 100/GOOD 1559 39 WILLIAMS LK 51/FAIR 1190 26 65/GOOD 1294 10 100/GOOD 1599 36 PUNTZI MNT 13/POOR 941 13 100/GOOD 2167 13 100/GOOD 1952 36 PR. GEORGE 23/POOR 806 29 75/GOOD 1007 2 100/GOOD 1555 32 BURNS LAKE 14/POOR 761 22 100/GOOD 2091 8 36/FAIR 869 33 SMITHERS 15/POOR 587 16 97/GOOD 1582 6 43/FAIR 742 26 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 61 SW 56 SMITHERS S 39 SW 43 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 13/POOR 418 6 35/FAIR 464 13 56/GOOD 916 12 FT STJOHN 14/POOR 729 19 95/GOOD 1208 30 50/FAIR 949 32 WHITEHORSE 14/POOR 749 23 27/POOR 970 11 72/GOOD 1195 17 DAWSON 12/POOR 386 7 14/POOR 492 5 23/POOR 514 17 WATSON LAKE 17/POOR 785 7 44/FAIR 1063 10 96/GOOD 1328 18 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 24 SW 41 WATSON LAKE SW 33 SW 28 WHITEHORSE S 33 SW 46 MAYO S 31 SW 30 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 22/POOR 142 18 60/GOOD 107 17 17/POOR 35 66 FRASER VLY 17/POOR 143 15 60/GOOD 232 7 16/POOR 87 38 SRN VRISL 18/POOR 242 7 65/GOOD 203 11 15/POOR 45 46 CNTRL VRISL 31/POOR 395 8 60/GOOD 574 14 13/POOR 46 43 NRN VRISL 20/POOR 479 10 100/GOOD 891 15 15/POOR 39 50 TERRACE 23/POOR 398 17 55/GOOD 780 8 17/POOR 290 21 STEWART 25/POOR 253 14 45/FAIR 172 7 19/POOR 94 23 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 38 S 56 S 69 SANDSPIT 0 0 S 28 S 43 PORT HARDY SE 62 S 81 S 87 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^