FPCN39 CWLW 051500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 5 NOVEMBER 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 33/POOR 520 9 52/FAIR 924 15 56/GOOD 698 18 KAMLOOPS 32/POOR 567 7 52/FAIR 699 12 57/GOOD 517 24 OKANAGAN 31/POOR 625 6 50/FAIR 1089 11 80/GOOD 1076 35 CASTLEGAR 30/POOR 702 5 45/FAIR 984 10 54/GOOD 681 24 CRANBROOK 20/POOR 1069 4 42/FAIR 1516 8 61/GOOD 1165 25 REVELSTOKE 25/POOR 776 5 45/FAIR 1141 9 58/GOOD 528 23 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 NW 15 CRANBROOK W 9 W 20 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 756 11 50/FAIR 1160 23 69/GOOD 1278 12 100 MILE 45/FAIR 1158 12 50/FAIR 1109 25 62/GOOD 1099 15 WILLIAMS LK 32/POOR 1095 13 50/FAIR 1111 24 56/GOOD 1376 10 PUNTZI MNT 17/POOR 997 11 53/FAIR 1188 19 59/GOOD 1470 14 PR. GEORGE 30/POOR 844 12 50/FAIR 1049 19 60/GOOD 1575 12 BURNS LAKE 29/POOR 896 14 59/GOOD 1158 23 50/FAIR 1353 18 SMITHERS 31/POOR 703 18 64/GOOD 1003 24 48/FAIR 891 19 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 26 W 46 SMITHERS SW 33 SW 52 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 13/POOR 415 18 14/POOR 457 18 23/POOR 529 7 FT STJOHN 18/POOR 782 17 49/FAIR 1244 19 39/FAIR 1031 17 WHITEHORSE 16/POOR 754 29 13/POOR 721 31 13/POOR 724 22 DAWSON 25/POOR 472 32 14/POOR 394 33 14/POOR 390 33 WATSON LAKE 14/POOR 729 13 18/POOR 790 22 23/POOR 872 11 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 28 SW 46 WATSON LAKE SW 41 W 48 WHITEHORSE S 39 SW 63 MAYO SW 24 W 44 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 46/FAIR 240 29 100/GOOD 635 37 44/FAIR 279 15 FRASER VLY 18/POOR 130 22 100/GOOD 725 23 52/FAIR 265 34 SRN VRISL 41/FAIR 314 15 83/GOOD 536 28 45/FAIR 286 11 CNTRL VRISL 42/FAIR 284 20 100/GOOD 722 26 43/FAIR 253 13 NRN VRISL 81/GOOD 336 37 77/GOOD 289 51 55/GOOD 334 30 TERRACE 49/FAIR 512 19 68/GOOD 639 20 57/GOOD 315 17 STEWART 23/POOR 113 19 16/POOR 44 27 43/FAIR 259 17 FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 0 0 0 0 SANDSPIT S 57 S 61 S 56 PORT HARDY S 18 S 22 S 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/TCS $$$$^^