FPCN39 CWLW 181400 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 MONDAY 18 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 35/FAIR 464 17 68/GOOD 995 9 21/POOR 641 4 KAMLOOPS 17/POOR 450 10 50/FAIR 1283 7 25/POOR 880 7 OKANAGAN 17/POOR 550 14 45/FAIR 1364 7 19/POOR 1000 2 CASTLEGAR 33/POOR 707 20 59/GOOD 1759 3 23/POOR 1070 5 CRANBROOK 29/POOR 1122 23 43/FAIR 2159 6 33/POOR 1436 10 REVELSTOKE 18/POOR 553 14 30/POOR 1382 7 29/POOR 940 7 FORCAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 19 NW 43 CRANBROOK NW 11 N 43 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 16/POOR 634 12 35/FAIR 1252 4 43/FAIR 911 17 100 MILE 15/POOR 1018 10 46/FAIR 1814 7 39/FAIR 1369 15 WILLIAMS LK 15/POOR 1016 14 36/FAIR 1744 3 36/FAIR 1330 13 PUNTZI MNT 13/POOR 966 8 20/POOR 1539 2 28/POOR 1157 9 PR. GEORGE 20/POOR 832 11 51/FAIR 1318 10 33/POOR 903 21 BURNS LAKE 16/POOR 812 11 38/FAIR 1211 9 96/GOOD 1222 26 SMITHERS 15/POOR 607 8 36/FAIR 1100 8 100/GOOD 1022 24 FORCAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 30 NW 48 SMITHERS W 19 W 33 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 441 26 16/POOR 471 18 13/POOR 398 30 FT STJOHN 45/FAIR 935 20 46/FAIR 810 27 100/GOOD 1303 36 WHITEHORSE 100/GOOD 1196 28 41/FAIR 853 42 100/GOOD 1076 34 DAWSON 13/POOR 383 28 12/POOR 372 20 12/POOR 377 25 WATSON LAKE 26/POOR 814 21 13/POOR 706 26 84/GOOD 910 33 FORCAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 30 W 43 WATSON LAKE W 35 W 37 WHITEHORSE SW 41 W 44 MAYO W 39 W 56 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 21/POOR 94 28 52/FAIR 217 13 20/POOR 193 10 FRASER VLY 24/POOR 172 28 60/GOOD 597 19 28/POOR 468 6 SRN VRISL 24/POOR 159 21 45/FAIR 152 16 20/POOR 129 13 CNTRL VRISL 17/POOR 112 15 49/FAIR 423 12 27/POOR 347 9 NRN VRISL 17/POOR 138 9 26/POOR 235 6 14/POOR 153 2 TERRACE 14/POOR 292 5 19/POOR 552 3 100/GOOD 816 19 STEWART 14/POOR 110 5 25/POOR 292 9 31/POOR 177 22 FORCAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 12 N 20 NW 37 SANDSPIT W 12 W 28 W 43 PORT HARDY NW 11 NW 30 NW 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^