FPCN39 CWLW 161400 SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 16 OCTOBER 1999 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 530 13 64/GOOD 739 14 70/GOOD 1338 4 KAMLOOPS 32/POOR 567 17 80/GOOD 1086 15 100/GOOD 1487 14 OKANAGAN 31/POOR 790 7 96/GOOD 1256 15 77/GOOD 1392 9 CASTLEGAR 19/POOR 679 8 94/GOOD 1508 10 78/GOOD 1412 9 CRANBROOK 20/POOR 1094 10 100/GOOD 1957 17 100/GOOD 1946 20 REVELSTOKE 19/POOR 645 7 74/GOOD 1261 8 70/GOOD 1057 12 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 20 N 26 CRANBROOK 0 0 N 17 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 29/POOR 721 18 15/POOR 587 27 100/GOOD 1294 10 100 MILE 32/POOR 1142 19 25/POOR 1079 20 100/GOOD 1860 14 WILLIAMS LK 23/POOR 1092 13 34/FAIR 1100 19 100/GOOD 1763 7 PUNTZI MNT 73/GOOD 1298 19 69/GOOD 1388 25 79/GOOD 1456 16 PR. GEORGE 34/FAIR 888 22 45/FAIR 927 32 100/GOOD 1471 15 BURNS LAKE 100/GOOD 1268 25 100/GOOD 1268 35 91/GOOD 1384 16 SMITHERS 36/FAIR 876 22 48/FAIR 922 32 77/GOOD 1108 15 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 15 NW 17 SMITHERS SW 11 W 20 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 17/POOR 469 12 43/FAIR 598 31 25/POOR 491 28 FT STJOHN 100/GOOD 1198 28 100/GOOD 1200 70 100/GOOD 1920 27 WHITEHORSE 94/GOOD 1079 31 99/GOOD 1077 29 24/POOR 805 31 DAWSON 68/GOOD 628 37 18/POOR 489 11 13/POOR 398 22 WATSON LAKE 100/GOOD 1251 29 94/GOOD 988 33 100/GOOD 1480 25 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 26 W 37 WATSON LAKE W 39 W 52 WHITEHORSE SW 26 SW 41 MAYO W 11 W 30 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 30/POOR 218 23 35/FAIR 421 6 27/POOR 248 20 FRASER VLY 20/POOR 167 16 35/FAIR 701 5 35/FAIR 596 8 SRN VRISL 19/POOR 178 8 35/FAIR 289 6 18/POOR 180 8 CNTRL VRISL 21/POOR 155 13 36/FAIR 518 7 34/FAIR 442 14 NRN VRISL 20/POOR 106 24 36/POOR 400 25 19/POOR 222 6 TERRACE 100/GOOD 692 24 34/FAIR 349 25 29/POOR 462 11 STEWART 74/GOOD 353 26 61/GOOD 306 23 19/POOR 99 16 FORCAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 N 15 N 44 SANDSPIT S 42 SW 33 W 43 PORT HARDY N 9. N 11 NW 22 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^