FPCN39 CWLW 211430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 21 FEBRUARY 2002 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF LOCAL MOUNTAINS OR HILLS. 21-February-2002 SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 34/FAIR 18 513 53/FAIR 24 645 52/FAIR 11 1099 KAMLOOPS 33/POOR 22 563 87/GOOD 34 1046 62/GOOD 16 1146 OKANAGAN 57/GOOD 27 869 84/GOOD 28 1256 46/FAIR 13 1067 CASTLEGAR 24/POOR 20 643 53/FAIR 25 895 32/POOR 8 1066 CRANBROOK 22/POOR 12 1145 50/FAIR 30 1239 45/FAIR 11 1637 REVELSTOKE 32/POOR 21 661 50/FAIR 23 843 23/POOR 9 743 GOLDEN 24/POOR 15 982 39/FAIR 21 1085 15/POOR 8 927 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 54 SW 41 CRANBROOK SW 20 W 48 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 19/POOR 22 629 29/POOR 8 1045 55/GOOD 19 1107 100 MILE 39/FAIR 30 1150 48/FAIR 17 1440 44/FAIR 15 1440 WILLIAMS LAKE 24/POOR 24 1058 48/FAIR 17 1440 83/GOOD 15 2372 PUNTZI MTN 21/POOR 19 1034 27/POOR 12 1193 92/GOOD 18 2386 PRINCE GEORGE 14/POOR 23 734 28/POOR 8 1163 86/GOOD 21 1792 BURNS LAKE 20/POOR 23 801 33/POOR 10 1197 72/GOOD 15 1811 SMITHERS 16/POOR 20 583 30/POOR 8 1049 58/GOOD 11 1560 MCBRIDE 22/POOR 19 860 33/POOR 16 1027 40/FAIR 12 1272 CLEARWATER 36/FAIR 24 625 22/POOR 22 510 26/POOR 11 700 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 22 SW 33 SMITHERS SW 19 SW 30 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 12/POOR 23 403 39/FAIR 13 853 42/FAIR 11 1005 FT ST JOHN 14/POOR 26 731 37/FAIR 16 1057 48/FAIR 17 1196 WHITEHORSE 15/POOR 8 840 38/FAIR 16 1076 12/POOR 2 1003 DAWSON 10/POOR 5 389 20/POOR 6 712 33/POOR 20 611 WATSON LAKE 10/POOR 3 739 24/POOR 6 1157 49/FAIR 16 1237 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 52 SW 54 WATSON LAKE W 41 W 39 WHITEHORSE W 30 SW 22 MAYO NW 9 W 15 COAST TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 46/FAIR 41 196 45/FAIR 26 302 22/POOR 12 213 FRASER VALLEY 20/POOR 27 137 52/FAIR 28 408 12/POOR 4 177 SQUAMISH 38/FAIR 22 324 30/POOR 21 252 28/POOR 5 801 SRN VAN ISLD 40/FAIR 32 222 41/FAIR 27 269 19/POOR 11 183 CNTRL VAN ISLD 54/FAIR 31 355 44/FAIR 21 374 36/FAIR 13 453 NRN VAN ISLD 29/POOR 30 155 48/FAIR 24 372 58/GOOD 30 407 TERRACE 20/POOR 15 359 40/FAIR 12 756 61/GOOD 11 1336 STEWART 11/POOR 5 63 22/POOR 10 253 14/POOR 14 69 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SE 37 S 52 SW 70 SANDSPIT SE 41 S 37 SW 57 PORT HARDY 0 0 S 11 SW 22 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/