FPCN39 CWLW 131400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 13 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 66/GOOD 671 14 100/GOOD 1163 16 100/GOOD 1756 15 KAMLOOPS 29/POOR 529 19 100/GOOD 1810 27 100/GOOD 2288 22 OKANAGAN 29/POOR 754 8 100/GOOD 2629 18 100/GOOD 2621 19 CASTLEGAR 13/POOR 530 7 100/GOOD 2302 18 100/GOOD 2387 15 CRANBROOK 14/POOR 1005 6 100/GOOD 2937 19 100/GOOD 2955 24 REVELSTOKE 29/POOR 736 10 100/GOOD 2210 9 100/GOOD 1968 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 11 SW 26 CRANBROOK SW 9 SW 30 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 30/POOR 752 17 60/GOOD 1122 19 92/GOOD 963 32 100 MILE 23/POOR 1086 15 100/GOOD 2183 25 100/GOOD 2605 25 WILLIAMS LK 17/POOR 1051 16 100/GOOD 1846 16 100/GOOD 2328 25 PUNTZI MNT 16/POOR 1023 8 100/GOOD 1863 20 100/GOOD 2322 37 PR. GEORGE 16/POOR 789 12 37/FAIR 1120 21 93/GOOD 1054 35 BURNS LAKE 13/POOR 785 4 37/FAIR 1306 5 25/POOR 795 37 SMITHERS 22/POOR 775 8 32/POOR 1187 5 53/FAIR 753 32 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 9 SW 28 SMITHERS 0 0 S 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 460 11 100/GOOD 1614 10 88/GOOD 795 33 FT STJOHN 14/POOR 784 4 100/GOOD 1932 17 100/GOOD 2456 13 WHITEHORSE 87/GOOD 1224 18 51/FAIR 1474 6 100/GOOD 2646 9 DAWSON 90/GOOD 1436 13 90/GOOD 2355 4 78/GOOD 1862 6 WATSON LAKE 14/POOR 752 8 28/POOR 1554 5 100/GOOD 2468 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 13 0 0 WATSON LAKE W 26 SW 9 WHITEHORSE SW 22 0 0 MAYO E 11 0 0 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 41/FAIR 394 1 32/POOR 268 25 92/GOOD 896 12 FRASER VLY 17/POOR 144 13 71/GOOD 733 12 100/GOOD 1296 14 SRN VRISL 31/POOR 225 19 86/GOOD 601 16 63/GOOD 847 7 CNTRL VRISL 29/POOR 274 17 67/GOOD 465 18 95/GOOD 1364 6 NRN VRISL 34/FAIR 342 15 34/FAIR 289 15 100/GOOD 1090 21 TERRACE 17/POOR 672 0 32/POOR 753 8 100/GOOD 1032 20 STEWART 32/POOR 583 4 36/FAIR 743 6 100/GOOD 782 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 SW 13 SW 24 SANDSPIT SE 11 S 15 S 19 PORT HARDY S 16 S 24 S 37 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^