FPCN39 CWLW 261400 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 TUESDAY 26 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 75/GOOD 870 12 100/GOOD 1717 3 100/GOOD 995 21 KAMLOOPS 28/POOR 526 19 95/GOOD 2280 4 100/GOOD 1222 32 OKANAGAN 36/FAIR 695 14 81/GOOD 1793 6 100/GOOD 1149 33 CASTLEGAR 56/GOOD 981 13 77/GOOD 1730 10 100/GOOD 1249 25 CRANBROOK 100/GOOD 1778 16 100/GOOD 2242 12 100/GOOD 1878 19 REVELSTOKE 64/GOOD 1073 13 93/GOOD 1784 7 100/GOOD 1554 25 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 12 SW 33 W 69 CRANBROOK SW 24 W 72 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 42/FAIR 772 23 100/GOOD 2170 16 100/GOOD 988 46 100 MILE 27/POOR 1086 20 100/GOOD 2799 12 70/GOOD 1376 48 WILLIAMS LK 24/POOR 1068 22 100/GOOD 2377 15 70/GOOD 1356 43 PUNTZI MNT 28/POOR 1046 29 100/GOOD 2198 14 100/GOOD 1341 33 PR. GEORGE 37/FAIR 867 28 100/GOOD 2105 21 100/GOOD 1856 36 BURNS LAKE 43/FAIR 921 29 100/GOOD 1843 21 100/GOOD 1212 42 SMITHERS 38/FAIR 743 21 100/GOOD 1399 16 100/GOOD 1030 38 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 50 W 63 SMITHERS SW 52 SW 69 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 16/POOR 438 22 27/POOR 528 29 18/POOR 450 31 FT STJOHN 91/GOOD 1042 38 100/GOOD 2211 35 100/GOOD 1191 43 WHITEHORSE 17/POOR 752 30 89/GOOD 1056 27 64/GOOD 934 34 DAWSON 19/POOR 428 42 12/POOR 378 30 32/POOR 470 42 WATSON LAKE 16/POOR 747 22 100/GOOD 1697 27 20/POOR 745 42 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 31 SW 63 WATSON LAKE SE 41 SW 61 WHITEHORSE S 35 S 65 MAYO E 57 SE 74 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 15/POOR 95 10 30/POOR 569 5 19/POOR 47 63 FRASER VLY 13/POOR 123 4 61/GOOD 1289 8 18/POOR 119 40 SRN VRISL 14/POOR 93 14 24/POOR 521 8 17/POOR 52 53 CNTRL VRISL 15/POOR 119 13 38/FAIR 1195 7 22/POOR 99 43 NRN VRISL 37/FAIR 232 22 67/GOOD 724 14 70/GOOD 236 53 TERRACE 58/GOOD 567 19 100/GOOD 1553 16 60/GOOD 485 26 STEWART 44/FAIR 286 21 100/GOOD 1225 20 28/POOR 151 32 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 35 W 52 SW 70 SANDSPIT SW 66 SW 78 SW 78 PORT HARDY SW 44 SW 57 SW 63 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^