FPCN39 CWLW 301500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 30 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 15/POOR 302 13 100/GOOD 1209 10 82/GOOD 865 13 KAMLOOPS 18/POOR 486 8 100/GOOD 1818 13 100/GOOD 1227 13 OKANAGAN 19/POOR 600 8 100/GOOD 1843 11 100/GOOD 1316 13 CASTLEGAR 61/GOOD 954 14 100/GOOD 2264 10 100/GOOD 1916 13 CRANBROOK 43/FAIR 1221 20 100/GOOD 2429 13 100/GOOD 2070 19 REVELSTOKE 14/POOR 531 6 100/GOOD 1894 8 95/GOOD 1251 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 17 NW 17 CRANBROOK 0 0 W 15 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 25/POOR 695 15 97/GOOD 1605 9 54/FAIR 856 17 100 MILE 15/POOR 1022 8 100/GOOD 2233 9 31/POOR 1155 17 WILLIAMS LK 18/POOR 1037 16 61/GOOD 1849 6 54/FAIR 1245 17 PUNTZI MNT 19/POOR 1015 16 84/GOOD 1861 9 100/GOOD 2076 33 PR. GEORGE 28/POOR 845 20 100/GOOD 1604 14 100/GOOD 1172 27 BURNS LAKE 70/GOOD 1058 26 100/GOOD 1696 20 100/GOOD 1776 45 SMITHERS 73/GOOD 881 24 100/GOOD 1244 16 100/GOOD 1345 40 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 22 NW 35 SMITHERS SW 37 W 35 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 20/POOR 468 22 100/GOOD 3145 33 39/FAIR 778 1 FT STJOHN 89/GOOD 1079 30 100/GOOD 2573 39 100/GOOD 1203 36 WHITEHORSE 100/GOOD 1365 19 100/GOOD 1795 26 80/GOOD 1682 12 DAWSON 13/POOR 413 11 100/GOOD 997 23 91/GOOD 1105 7 WATSON LAKE 20/POOR 781 19 100/GOOD 2705 28 100/GOOD 1660 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 28 SW 41 WATSON LAKE SW 20 W 33 WHITEHORSE S 26 S 31 MAYO S 19 W 24 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 18/POOR 156 7 25/POOR 440 8 30/POOR 387 8 FRASER VLY 17/POOR 165 9 54/FAIR 1206 8 57/GOOD 1000 10 SRN VRISL 15/POOR 153 6 17/POOR 309 5 19/POOR 283 1 CNTRL VRISL 15/POOR 146 7 31/POOR 795 3 32/POOR 691 1 NRN VRISL 56/GOOD 334 23 91/GOOD 552 22 50/FAIR 370 14 TERRACE 91/GOOD 665 24 82/GOOD 764 15 56/GOOD 486 26 STEWART 59/GOOD 456 21 30/POOR 203 6 20/POOR 69 26 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 16 NW 17 N 30 SANDSPIT S 40 SW 44 SW 44 PORT HARDY SW 22 SW 28 W 20 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^