FPCN39 CWLW 311430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 31 JANUARY 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. 31-January-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 18 512 56/GOOD 9 1429 59/GOOD 14 1064 KAMLOOPS 13/POOR 15 397 47/FAIR 10 1180 67/GOOD 15 1316 OKANAGAN 18/POOR 15 572 50/FAIR 10 1356 56/GOOD 16 1128 CASTLEGAR 15/POOR 17 563 34/FAIR 10 995 35/FAIR 10 1020 CRANBROOK 10/POOR 5 990 35/FAIR 14 1319 51/FAIR 15 1557 REVELSTOKE 20/POOR 15 581 27/POOR 11 761 17/POOR 9 604 GOLDEN 13/POOR 12 853 33/POOR 11 1224 45/FAIR 12 1435 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 46 SW 50 CRANBROOK W 33 W 43 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 11/POOR 8 596 42/FAIR 10 1245 30/POOR 14 836 100 MILE 14/POOR 13 1007 41/FAIR 11 1540 41/FAIR 14 1420 WILLIAMS LAKE 10/POOR 3 990 38/FAIR 12 1440 25/POOR 12 1202 PUNTZI MTN 11/POOR 15 937 20/POOR 13 1072 61/GOOD 18 1600 PRINCE GEORGE 14/POOR 14 760 48/FAIR 12 1391 28/POOR 14 957 BURNS LAKE 16/POOR 15 803 55/GOOD 15 1415 36/FAIR 11 1209 SMITHERS 17/POOR 15 619 60/GOOD 15 1323 25/POOR 14 747 MCBRIDE 17/POOR 10 882 43/FAIR 10 1451 54/FAIR 15 1409 CLEARWATER 14/POOR 10 496 28/POOR 6 996 45/FAIR 11 1087 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 24 SW 39 SMITHERS SW 52 SW 56 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 10/POOR 11 403 11/POOR 7 429 11/POOR 4 492 FT ST JOHN 17/POOR 20 773 30/POOR 20 900 36/FAIR 20 969 WHITEHORSE 11/POOR 10 736 16/POOR 8 853 13/POOR 24 734 DAWSON 10/POOR 4 406 10/POOR 3 402 12/POOR 17 400 WATSON LAKE 10/POOR 9 709 10/POOR 5 711 12/POOR 12 732 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 43 SW 44 WATSON LAKE SW 28 SW 39 WHITEHORSE S 22 S 26 MAYO SW 26 SW 30 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 12/POOR 17 37 32/POOR 18 252 15/POOR 14 74 FRASER VALLEY 16/POOR 20 122 18/POOR 7 307 14/POOR 10 146 SQUAMISH 20/POOR 13 204 26/POOR 11 352 30/POOR 8 582 SRN VAN ISLD 12/POOR 17 47 23/POOR 11 269 22/POOR 12 231 CNTRL VAN ISLD 15/POOR 18 80 29/POOR 16 274 40/FAIR 13 519 NRN VAN ISLD 17/POOR 19 103 34/FAIR 20 272 10/POOR 19 28 TERRACE 28/POOR 19 407 20/POOR 14 367 17/POOR 18 296 STEWART 16/POOR 18 78 14/POOR 17 58 16/POOR 19 76 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 20 SW 37 SW 50 SANDSPIT SW 41 SW 37 SW 39 PORT HARDY SW 46 SW 41 SW 41 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/