FPCN39 CWLW 031330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 3 MAY 2001 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. 03-May-2001 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 38/FAIR 17 574 63/GOOD 16 1060 51/FAIR 16 812 KAMLOOPS 42/FAIR 20 695 81/GOOD 20 1372 64/GOOD 19 1061 OKANAGAN 42/FAIR 16 898 81/GOOD 16 1745 90/GOOD 23 1556 CASTLEGAR 14/POOR 5 661 80/GOOD 12 2159 77/GOOD 13 1936 CRANBROOK 22/POOR 12 1140 88/GOOD 16 2450 78/GOOD 17 2069 REVELSTOKE 45/FAIR 13 1028 74/GOOD 13 1770 45/FAIR 12 1093 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 24 W 31 CRANBROOK W 17 W 28 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 48/FAIR 20 976 69/GOOD 20 1305 33/POOR 6 1338 100 MILE 27/POOR 20 1117 83/GOOD 25 1810 56/GOOD 19 1507 WILLIAMS LAKE 28/POOR 17 1164 68/GOOD 18 1776 27/POOR 7 1429 PUNTZI MTN 31/POOR 24 1094 86/GOOD 23 1913 51/FAIR 9 1944 PRINCE GEORGE 58/GOOD 23 1191 77/GOOD 22 1553 39/FAIR 6 1742 BURNS LAKE 88/GOOD 28 1414 99/GOOD 29 1685 80/GOOD 12 2232 SMITHERS 71/GOOD 25 1177 80/GOOD 24 1364 85/GOOD 13 2285 MCBRIDE 40/FAIR 17 1111 43/FAIR 16 1176 19/POOR 6 1048 CLEARWATER 28/POOR 15 637 61/GOOD 14 1295 26/POOR 14 627 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 50 W 63 SMITHERS SW 91 SW 104 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 70/GOOD 24 1045 99/GOOD 30 2804 99/GOOD 17 3543 FT ST JOHN 81/GOOD 30 1391 99/GOOD 35 2310 99/GOOD 24 3117 WHITEHORSE 76/GOOD 18 1710 99/GOOD 29 2168 99/GOOD 22 2756 DAWSON 69/GOOD 17 1269 86/GOOD 9 2972 42/FAIR 3 2709 WATSON LAKE 68/GOOD 20 1437 99/GOOD 31 2980 99/GOOD 21 2954 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 65 SW 80 WATSON LAKE SW 61 W 63 WHITEHORSE SW 43 SW 50 MAYO SW 54 SW 28 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 19/POOR 13 141 39/FAIR 18 353 24/POOR 15 190 FRASER VALLEY 13/POOR 10 137 54/FAIR 16 691 37/FAIR 13 500 SRN VAN ISLD 15/POOR 15 92 35/FAIR 25 232 24/POOR 16 196 CNTRL VAN ISLD 14/POOR 10 124 55/GOOD 20 549 31/POOR 14 342 NRN VAN ISLD 54/FAIR 23 465 48/FAIR 32 286 82/GOOD 24 909 TERRACE 54/GOOD 28 588 46/FAIR 22 579 51/FAIR 9 1252 STEWART 50/FAIR 26 360 38/FAIR 25 246 33/FAIR 13 383 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 15 SW 26 W 43 SANDSPIT S 54 SW 52 SW 63 PORT HARDY SW 63 SW 69 SW 87 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/