FPCN39 CWLW 221400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 22 JUNE 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 58/GOOD 790 11 100/GOOD 2185 6 100/GOOD 2140 12 KAMLOOPS 65/GOOD 808 17 100/GOOD 2235 9 77/GOOD 1540 11 OKANAGAN 80/GOOD 988 16 100/GOOD 2368 11 100/GOOD 2631 16 CASTLEGAR 43/FAIR 834 14 100/GOOD 2814 12 84/GOOD 2361 7 CRANBROOK 18/POOR 1072 11 100/GOOD 3111 14 100/GOOD 2952 11 REVELSTOKE 16/POOR 602 5 100/GOOD 2412 10 90/GOOD 2260 5 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 22 W 35 CRANBROOK W 13 W 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 78/GOOD 1200 18 100/GOOD 2251 8 100/GOOD 2459 15 100 MILE 72/GOOD 1801 19 100/GOOD 2869 11 100/GOOD 2603 17 WILLIAMS LK 74/GOOD 2016 16 100/GOOD 2969 8 100/GOOD 2757 16 PUNTZI MNT 68/GOOD 2004 17 100/GOOD 3104 9 100/GOOD 3333 16 PR. GEORGE 77/GOOD 1246 22 100/GOOD 2481 14 100/GOOD 2132 11 BURNS LAKE 62/GOOD 1521 19 100/GOOD 2533 13 100/GOOD 2577 11 SMITHERS 64/GOOD 1484 14 100/GOOD 2313 12 100/GOOD 2294 9 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 39 W 41 SMITHERS W 31 W 39 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 61/GOOD 650 32 100/GOOD 2416 26 100/GOOD 2682 20 FT STJOHN 74/GOOD 1102 25 100/GOOD 3535 22 100/GOOD 3392 27 WHITEHORSE 83/GOOD 1211 20 79/GOOD 1437 15 51/FAIR 2329 3 DAWSON 46/FAIR 691 18 100/GOOD 2808 15 100/GOOD 3075 3 WATSON LAKE 80/GOOD 1435 29 100/GOOD 1685 21 50/FAIR 1831 6 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 30 W 30 WATSON LAKE W 41 W 26 WHITEHORSE SW 30 W 30 MAYO SW 22 SW 19 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 42/FAIR 294 18 51/FAIR 529 8 69/GOOD 554 10 FRASER VLY 27/POOR 343 12 94/GOOD 1145 13 100/GOOD 1213 16 SRN VRISL 48/FAIR 299 22 37/FAIR 446 6 48/FAIR 378 17 CNTRL VRISL 69/GOOD 436 27 66/GOOD 1109 2 100/GOOD 1129 7 NRN VRISL 75/GOOD 708 23 100/GOOD 1033 29 85/GOOD 784 20 TERRACE 54/FAIR 1046 10 100/GOOD 2087 10 67/GOOD 1871 5 STEWART 33/POOR 347 10 61/GOOD 782 8 29/POOR 646 4 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 11 W 22 W 35 SANDSPIT NW 29 W 30 W 37 PORT HARDY NW 18 NW 24 W 33 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^