FPCN39 CWLW 191400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 19 MAY 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 985 13 100/GOOD 2174 17 100/GOOD 1718 15 KAMLOOPS 100/GOOD 1368 16 100/GOOD 2580 21 100/GOOD 2149 14 OKANAGAN 100/GOOD 1400 11 100/GOOD 2102 23 100/GOOD 2245 9 CASTLEGAR 100/GOOD 1467 11 100/GOOD 2039 13 100/GOOD 2410 12 CRANBROOK 66/GOOD 1418 15 100/GOOD 2293 23 100/GOOD 2974 17 REVELSTOKE 42/FAIR 1013 5 54/FAIR 985 8 100/GOOD 1983 10 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 19 W 17 CRANBROOK 0 0 W 26 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 100/GOOD 1575 19 100/GOOD 3229 28 100/GOOD 2479 27 100 MILE 100/GOOD 1970 16 100/GOOD 3380 27 100/GOOD 2966 21 WILLIAMS LK 100/GOOD 1946 16 100/GOOD 3655 26 100/GOOD 3054 21 PUNTZI MNT 100/GOOD 1635 13 100/GOOD 3108 31 100/GOOD 2729 27 PR. GEORGE 38/POOR 789 7 100/GOOD 2675 32 100/GOOD 2430 23 BURNS LAKE 74/GOOD 1311 15 100/GOOD 2215 32 100/GOOD 1792 17 SMITHERS 57/GOOD 975 13 100/GOOD 2150 27 100/GOOD 1280 17 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 31 SW 39 SMITHERS SW 30 W 33 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 44/FAIR 591 29 100/GOOD 2323 14 100/GOOD 2304 15 FT STJOHN 19/POOR 797 16 100/GOOD 1813 18 100/GOOD 2441 19 WHITEHORSE 49/FAIR 1168 14 100/GOOD 2342 25 100/GOOD 2010 21 DAWSON 65/GOOD 1177 16 86/GOOD 2840 14 100/GOOD 3135 13 WATSON LAKE 29/POOR 878 19 100/GOOD 2108 16 100/GOOD 2388 10 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 33 W 37 WATSON LAKE W 39 W 26 WHITEHORSE SW 24 SW 28 MAYO SW 17 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 66/GOOD 425 22 74/GOOD 512 16 33/POOR 379 14 FRASER VLY 67/GOOD 463 22 100/GOOD 801 17 61/GOOD 902 9 SRN VRISL 63/GOOD 404 21 70/GOOD 509 24 55/GOOD 474 10 CNTRL VRISL 94/GOOD 584 16 100/GOOD 1032 14 91/GOOD 850 11 NRN VRISL 100/GOOD 685 26 100/GOOD 987 25 66/GOOD 471 32 TERRACE 73/GOOD 676 14 100/GOOD 1640 15 86/GOOD 834 17 STEWART 30/POOR 251 8 79/GOOD 490 16 23/POOR 143 17 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 0 0 W 20 SANDSPIT S 22 S 24 SW 35 PORT HARDY S 22 SW 20 SW 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^