FPCN39 CWLW 221500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 22 FEBRUARY 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 27/POOR 373 22 50/FAIR 302 19 100/GOOD 1089 13 KAMLOOPS 38/FAIR 556 24 52/FAIR 609 27 80/GOOD 1220 13 OKANAGAN 20/POOR 708 25 100/GOOD 1063 27 51/FAIR 1340 8 CASTLEGAR 20/POOR 648 12 60/GOOD 748 16 20/POOR 696 11 CRANBROOK 16/POOR 1089 5 48/FAIR 1314 15 28/POOR 1349 6 REVELSTOKE 46/FAIR 773 14 45/FAIR 641 18 19/POOR 765 4 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 9. S 19 SW 44 CRANBROOK SW 15 SW 52 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 68/GOOD 824 33 100/GOOD 1033 37 70/GOOD 936 24 100 MILE 65/GOOD 1204 35 95/GOOD 1312 36 100/GOOD 1977 16 WILLIAMS LK 60/GOOD 1193 33 100/GOOD 1376 35 82/GOOD 1583 15 PUNTZI MNT 29/POOR 1036 28 100/GOOD 2103 29 100/GOOD 2087 27 PR. GEORGE 32/POOR 841 27 100/GOOD 1782 32 100/GOOD 1292 28 BURNS LAKE 38/FAIR 897 27 70/GOOD 1036 29 100/GOOD 1678 26 SMITHERS 49/FAIR 783 24 61/GOOD 841 24 100/GOOD 1289 22 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 50 S 44 SMITHERS S 30 S 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 13/POOR 435 7 42/FAIR 783 11 13/POOR 410 14 FT STJOHN 12/POOR 720 7 38/FAIR 919 29 72/GOOD 1094 23 WHITEHORSE 15/POOR 759 7 45/FAIR 958 16 29/POOR 924 13 DAWSON 12/POOR 383 13 17/POOR 464 14 22/POOR 528 15 WATSON LAKE 13/POOR 741 7 45/FAIR 1194 18 24/POOR 914 11 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 SW 15 WATSON LAKE 0 0 S 11 WHITEHORSE SW 17 SW 11 MAYO NW 15 NW 13 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 22/POOR 53 47 45/FAIR 9 47 29/POOR 319 17 FRASER VLY 17/POOR 99 30 45/FAIR 100 27 26/POOR 352 10 SRN VRISL 21/POOR 65 36 50/FAIR 61 27 55/GOOD 346 16 CNTRL VRISL 26/POOR 135 33 45/FAIR 417 29 100/GOOD 958 17 NRN VRISL 40/FAIR 170 53 43/FAIR 241 29 81/GOOD 536 20 TERRACE 52/FAIR 511 20 45/FAIR 472 17 33/POOR 399 23 STEWART 59/GOOD 334 20 16/POOR 68 23 14/POOR 46 23 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 35 S 54 S 57 SANDSPIT W 18 W 17 SW 20 PORT HARDY SW 22 SW 35 S 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^