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 TUESDAY 21 MARCH 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 100/GOOD 840 24 61/GOOD 779 12 46/FAIR 477 21 KAMLOOPS 100/GOOD 966 27 91/GOOD 1143 15 95/GOOD 800 25 OKANAGAN 100/GOOD 1191 21 100/GOOD 1455 11 100/GOOD 864 25 CASTLEGAR 93/GOOD 1049 15 62/GOOD 1229 8 23/POOR 618 20 CRANBROOK 100/GOOD 1573 20 100/GOOD 1776 15 74/GOOD 1430 14 REVELSTOKE 100/GOOD 1058 17 60/GOOD 1068 10 17/POOR 522 19 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 26 N 30 CRANBROOK N 13 N 33 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 77/GOOD 888 28 100/GOOD 2092 19 94/GOOD 1018 21 100 MILE 64/GOOD 1233 31 100/GOOD 2376 13 100/GOOD 1556 31 WILLIAMS LK 44/FAIR 1165 24 100/GOOD 2393 14 100/GOOD 1736 27 PUNTZI MNT 100/GOOD 1285 38 100/GOOD 1980 18 100/GOOD 1900 20 PR. GEORGE 100/GOOD 1101 36 100/GOOD 2342 26 43/FAIR 1011 15 BURNS LAKE 100/GOOD 1128 44 100/GOOD 1808 23 23/POOR 990 5 SMITHERS 73/GOOD 815 37 100/GOOD 1358 18 25/POOR 1101 3 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 20 W 31 SMITHERS SW 43 SW 46 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 429 20 40/FAIR 642 10 57/GOOD 1398 11 FT STJOHN 69/GOOD 965 36 100/GOOD 2231 47 66/GOOD 1072 27 WHITEHORSE 14/POOR 782 5 100/GOOD 1412 27 100/GOOD 1684 13 DAWSON 13/POOR 400 8 41/FAIR 736 12 47/FAIR 722 14 WATSON LAKE 16/POOR 794 11 100/GOOD 1432 29 82/GOOD 2046 9 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 37 SW 63 WATSON LAKE SW 44 SW 44 WHITEHORSE S 48 SW 80 MAYO S 39 S 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 53/FAIR 320 22 50/FAIR 243 13 13/POOR 15 35 FRASER VLY 87/GOOD 564 20 35/FAIR 616 5 14/POOR 91 29 SRN VRISL 44/FAIR 261 15 50/FAIR 181 9 14/POOR 44 32 CNTRL VRISL 59/GOOD 367 18 45/FAIR 418 15 100/GOOD 530 25 NRN VRISL 19/POOR 175 16 39/FAIR 425 11 13/POOR 43 32 TERRACE 100/GOOD 966 23 100/GOOD 1091 12 38/FAIR 641 9 STEWART 61/GOOD 350 29 50/FAIR 227 15 21/POOR 308 5 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 0 0 NW 19 SANDSPIT S 61 SW 54 W 52 PORT HARDY S 18 SW 20 W 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^