FPCN39 CWLW 151400 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 FRIDAY 15 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 100/GOOD 961 13 100/GOOD 1859 11 57/GOOD 819 13 KAMLOOPS 100/GOOD 992 24 100/GOOD 2053 19 75/GOOD 1144 14 OKANAGAN 100/GOOD 1294 16 100/GOOD 1817 18 84/GOOD 1367 13 CASTLEGAR 76/GOOD 1136 10 100/GOOD 2464 15 75/GOOD 1652 9 CRANBROOK 61/GOOD 1390 16 100/GOOD 2651 15 100/GOOD 2082 15 REVELSTOKE 84/GOOD 1048 13 100/GOOD 1825 12 76/GOOD 1365 8 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON NW 11 NW 26 NW 39 CRANBROOK W 17 W 39 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 100/GOOD 1377 23 100/GOOD 1903 10 22/POOR 642 25 100 MILE 100/GOOD 1810 28 100/GOOD 2331 18 30/POOR 1104 22 WILLIAMS LK 100/GOOD 1666 23 100/GOOD 2436 12 17/POOR 1010 20 PUNTZI MNT 89/GOOD 1474 22 89/GOOD 2217 5 97/GOOD 1386 25 PR. GEORGE 100/GOOD 1325 25 100/GOOD 2036 13 14/POOR 726 29 BURNS LAKE 86/GOOD 1265 22 67/GOOD 1693 8 100/GOOD 1443 33 SMITHERS 100/GOOD 1411 17 55/GOOD 1456 6 56/GOOD 757 32 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 41 NW 54 SMITHERS W 41 W 56 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 24/POOR 497 21 100/GOOD 1584 17 13/POOR 399 31 FT STJOHN 100/GOOD 1460 24 100/GOOD 2371 17 93/GOOD 1035 39 WHITEHORSE 100/GOOD 1299 20 56/GOOD 1078 17 100/GOOD 1209 32 DAWSON 31/POOR 703 8 34/FAIR 1332 3 13/POOR 392 20 WATSON LAKE 37/FAIR 892 25 100/GOOD 1933 17 100/GOOD 1010 37 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 26 W 39 WATSON LAKE W 35 W 31 WHITEHORSE W 24 W 19 MAYO W 22 W 33 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 99/GOOD 406 33 83/GOOD 969 22 26/POOR 481 4 FRASER VLY 25/POOR 368 10 100/GOOD 1691 10 29/POOR 883 5 SRN VRISL 100/GOOD 594 31 63/GOOD 565 15 24/POOR 308 8 CNTRL VRISL 100/GOOD 606 33 100/GOOD 868 17 37/FAIR 585 7 NRN VRISL 37/FAIR 287 16 88/GOOD 842 17 100/GOOD 776 20 TERRACE 24/POOR 501 9 60/GOOD 1231 6 20/POOR 311 26 STEWART 28/POOR 411 8 57/GOOD 521 8 49/FAIR 218 25 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 29 NW 37 NW 46 SANDSPIT W 42 W 54 W 61 PORT HARDY NW 20 NW 35 NW 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/TCS $$$$^^