FPCN39 CWLW 011400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 1 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 49/FAIR 813 8 100/GOOD 2364 10 100/GOOD 1662 8 KAMLOOPS 85/GOOD 1149 11 100/GOOD 2941 17 100/GOOD 1896 15 OKANAGAN 95/GOOD 1238 12 100/GOOD 2744 14 81/GOOD 1589 6 CASTLEGAR 25/POOR 875 4 100/GOOD 2606 9 100/GOOD 2601 10 CRANBROOK 28/POOR 1159 13 100/GOOD 3478 9 100/GOOD 2849 9 REVELSTOKE 95/GOOD 1362 7 79/GOOD 2214 4 100/GOOD 1961 6 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON E 9. E 26 SE 48 CRANBROOK E 26 E 67 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 28/POOR 772 15 100/GOOD 2570 13 100/GOOD 2630 7 100 MILE 54/FAIR 1521 8 100/GOOD 2963 15 100/GOOD 2381 12 WILLIAMS LK 29/POOR 1191 11 100/GOOD 2424 8 100/GOOD 2937 7 PUNTZI MNT 42/FAIR 1179 21 100/GOOD 2920 7 100/GOOD 2732 15 PR. GEORGE 23/POOR 888 12 100/GOOD 2766 8 100/GOOD 3100 8 BURNS LAKE 31/POOR 903 20 100/GOOD 2842 6 100/GOOD 2524 7 SMITHERS 23/POOR 675 14 100/GOOD 3162 7 80/GOOD 2818 7 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 37 SE 19 SMITHERS NE 17 0 0 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 28/POOR 556 18 100/GOOD 2723 3 30/POOR 995 4 FT STJOHN 17/POOR 806 9 100/GOOD 3679 8 100/GOOD 3152 5 WHITEHORSE 39/FAIR 941 19 100/GOOD 2347 12 100/GOOD 2821 6 DAWSON 46/FAIR 675 18 100/GOOD 3077 11 100/GOOD 3383 9 WATSON LAKE 51/FAIR 984 23 100/GOOD 3230 16 62/GOOD 2637 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NE 17 NE 17 WATSON LAKE NE 11 NE 15 WHITEHORSE 0 0 0 0 MAYO W 22 SW 26 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 37/FAIR 419 14 42/FAIR 571 4 34/FAIR 423 5 FRASER VLY 38/FAIR 539 10 88/GOOD 1360 4 100/GOOD 1180 11 SRN VRISL 29/POOR 486 7 30/POOR 473 8 29/POOR 438 5 CNTRL VRISL 30/POOR 429 2 58/GOOD 1144 5 77/GOOD 1250 1 NRN VRISL 30/POOR 408 10 77/GOOD 1013 18 59/GOOD 805 16 TERRACE 20/POOR 398 5 100/GOOD 2604 7 77/GOOD 2702 3 STEWART 14/POOR 62 8 57/GOOD 708 9 30/POOR 678 1 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NE 18 E 24 N 20 SANDSPIT N 29 N 17 N 11 PORT HARDY NW 37 N 22 N 15 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^