FPCN39 CWLW 011500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 1 APRIL 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 38/FAIR 468 19 100/GOOD 1195 12 38/FAIR 863 4 KAMLOOPS 25/POOR 483 25 100/GOOD 1131 17 48/FAIR 1328 5 OKANAGAN 22/POOR 740 20 68/GOOD 765 13 58/GOOD 1471 6 CASTLEGAR 28/POOR 772 20 100/GOOD 1763 21 64/GOOD 2052 3 CRANBROOK 27/POOR 1200 19 100/GOOD 2271 29 82/GOOD 2350 6 REVELSTOKE 20/POOR 768 20 54/FAIR 868 17 29/POOR 1659 4 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 11 N 15 CRANBROOK N 9 N 22 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 13/POOR 568 20 23/POOR 578 16 80/GOOD 1284 14 100 MILE 25/POOR 1052 29 35/FAIR 1127 19 57/GOOD 1846 7 WILLIAMS LK 16/POOR 993 22 33/POOR 966 14 62/GOOD 1761 9 PUNTZI MNT 100/GOOD 1310 35 100/GOOD 2021 28 100/GOOD 2055 9 PR. GEORGE 19/POOR 775 28 35/FAIR 866 19 75/GOOD 1340 14 BURNS LAKE 39/FAIR 961 31 23/POOR 728 16 84/GOOD 1391 12 SMITHERS 15/POOR 578 29 36/FAIR 536 16 82/GOOD 1169 12 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 37 W 44 SMITHERS SW 70 W 81 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 45/FAIR 572 33 100/GOOD 2166 22 100/GOOD 1132 26 FT STJOHN 100/GOOD 1148 36 100/GOOD 2706 26 100/GOOD 2386 13 WHITEHORSE 34/FAIR 1029 18 55/GOOD 1557 7 33/POOR 890 23 DAWSON 16/POOR 433 13 21/POOR 841 4 70/GOOD 744 21 WATSON LAKE 35/FAIR 898 22 100/GOOD 2689 8 43/FAIR 939 24 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 37 SW 52 WATSON LAKE S 15 SW 33 WHITEHORSE SE 30 S 37 MAYO SW 22 SW 20 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 21/POOR 96 22 41/FAIR 235 30 17/POOR 251 5 FRASER VLY 23/POOR 248 14 83/GOOD 708 17 30/POOR 800 7 SRN VRISL 22/POOR 114 22 39/FAIR 256 12 17/POOR 222 5 CNTRL VRISL 58/GOOD 301 29 100/GOOD 745 18 19/POOR 512 2 NRN VRISL 24/POOR 286 9 47/FAIR 570 10 25/POOR 243 7 TERRACE 22/POOR 379 17 19/POOR 329 9 85/GOOD 870 15 STEWART 20/POOR 159 17 15/POOR 144 4 16/POOR 96 18 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 W 13 NW 22 SANDSPIT SW 74 SW 83 W 89 PORT HARDY S 40 W 26 W 48 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^