FPCN39 CWLW 041500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 4 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 100/GOOD 1027 8 100/GOOD 1514 9 100/GOOD 1230 15 KAMLOOPS 84/GOOD 898 19 100/GOOD 1683 16 100/GOOD 1342 15 OKANAGAN 47/FAIR 820 14 100/GOOD 1672 13 100/GOOD 1399 14 CASTLEGAR 46/FAIR 930 11 73/GOOD 1599 9 100/GOOD 1058 20 CRANBROOK 31/POOR 1155 14 92/GOOD 1979 8 57/GOOD 1269 20 REVELSTOKE 49/FAIR 922 12 100/GOOD 1943 9 100/GOOD 1697 14 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 22 SW 43 CRANBROOK W 13 W 44 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 90/GOOD 1070 23 72/GOOD 1917 3 100/GOOD 2250 15 100 MILE 81/GOOD 1405 24 100/GOOD 2586 13 100/GOOD 2494 19 WILLIAMS LK 60/GOOD 1282 23 100/GOOD 2741 6 100/GOOD 2392 19 PUNTZI MNT 16/POOR 973 23 89/GOOD 2847 4 100/GOOD 2961 15 PR. GEORGE 87/GOOD 1177 23 100/GOOD 2125 9 37/FAIR 1730 10 BURNS LAKE 20/POOR 806 24 100/GOOD 2831 9 76/GOOD 1740 9 SMITHERS 19/POOR 617 18 100/GOOD 2111 9 100/GOOD 1880 12 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 56 SW 50 SMITHERS S 61 SW 91 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 40/FAIR 543 39 92/GOOD 818 19 100/GOOD 1396 19 FT STJOHN 64/GOOD 951 37 100/GOOD 2376 26 100/GOOD 2088 3 WHITEHORSE 34/FAIR 866 23 100/GOOD 1440 20 52/FAIR 1210 16 DAWSON 13/POOR 397 10 22/POOR 497 10 20/POOR 514 10 WATSON LAKE 16/POOR 742 27 100/GOOD 2980 19 100/GOOD 1937 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 37 SW 78 WATSON LAKE S 41 SW 43 WHITEHORSE SE 35 S 54 MAYO SE 39 SE 43 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 74/GOOD 362 33 34/FAIR 526 24 88/GOOD 508 30 FRASER VLY 41/FAIR 412 13 41/FAIR 772 8 100/GOOD 1046 14 SRN VRISL 97/GOOD 487 29 53/FAIR 429 17 61/GOOD 353 28 CNTRL VRISL 100/GOOD 500 31 100/GOOD 652 23 91/GOOD 628 27 NRN VRISL 23/POOR 311 9 57/GOOD 923 11 100/GOOD 1267 36 TERRACE 72/GOOD 717 14 58/GOOD 938 7 100/GOOD 1886 10 STEWART 22/POOR 172 14 36/FAIR 345 8 30/POOR 400 14 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 27 SW 43 SW 56 SANDSPIT W 48 SW 56 SW 61 PORT HARDY S 72 S 91 SW 78 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JDG $$$$^^