FPCN39 CWLW 191400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 19 JULY 2000 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 36/FAIR 608 7 60/GOOD 1821 5 100/GOOD 2143 9 KAMLOOPS 75/GOOD 999 13 65/GOOD 2041 3 100/GOOD 2476 7 OKANAGAN 41/FAIR 763 14 83/GOOD 2412 6 100/GOOD 2441 3 CASTLEGAR 27/POOR 691 16 100/GOOD 2878 9 100/GOOD 2767 10 CRANBROOK 23/POOR 1188 5 100/GOOD 3189 12 100/GOOD 3040 8 REVELSTOKE 14/POOR 528 7 100/GOOD 2183 7 51/FAIR 1341 5 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 20 W 19 CRANBROOK 0 0 W 19 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 78/GOOD 1056 18 100/GOOD 2144 6 100/GOOD 2132 8 100 MILE 54/FAIR 1283 19 63/GOOD 2564 3 100/GOOD 2820 8 WILLIAMS LK 56/GOOD 1290 20 76/GOOD 2547 3 100/GOOD 2774 8 PUNTZI MNT 52/FAIR 1330 15 100/GOOD 3044 11 100/GOOD 2961 9 PR. GEORGE 85/GOOD 1177 21 100/GOOD 2150 10 100/GOOD 2171 14 BURNS LAKE 100/GOOD 1427 19 100/GOOD 2234 17 100/GOOD 1721 14 SMITHERS 100/GOOD 1273 13 100/GOOD 1910 16 100/GOOD 1449 14 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 15 W 24 SMITHERS SW 17 W 19 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 15/POOR 457 9 100/GOOD 1940 8 100/GOOD 2046 18 FT STJOHN 26/POOR 821 24 100/GOOD 2346 21 100/GOOD 2611 29 WHITEHORSE 95/GOOD 1411 16 100/GOOD 1745 14 87/GOOD 1210 27 DAWSON 39/FAIR 697 14 31/POOR 738 10 100/GOOD 2221 18 WATSON LAKE 92/GOOD 1345 17 100/GOOD 1982 12 100/GOOD 2565 26 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 20 SW 22 WATSON LAKE W 24 W 20 WHITEHORSE SW 26 SW 20 MAYO SW 15 SW 13 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 276 10 28/POOR 331 7 29/POOR 290 8 FRASER VLY 25/POOR 386 11 50/FAIR 775 10 46/FAIR 736 10 SRN VRISL 29/POOR 233 15 26/POOR 302 8 25/POOR 337 4 CNTRL VRISL 27/POOR 274 12 53/FAIR 823 4 51/FAIR 1004 5 NRN VRISL 23/POOR 361 7 52/FAIR 657 14 71/GOOD 635 22 TERRACE 73/GOOD 769 13 100/GOOD 1121 16 56/GOOD 795 10 STEWART 31/POOR 243 14 27/POOR 236 15 73/GOOD 681 10 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 9. SW 11 SW 11 SANDSPIT SW 14 W 24 SW 28 PORT HARDY N 9. 0 0 W 9 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^