FPCN39 CWLW 301500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 30 DECEMBER 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 13/POOR 261 10 32/POOR 457 15 73/GOOD 968 15 KAMLOOPS 13/POOR 398 4 13/POOR 384 12 84/GOOD 985 12 OKANAGAN 17/POOR 517 13 28/POOR 575 12 33/POOR 676 14 CASTLEGAR 12/POOR 533 3 26/POOR 834 7 13/POOR 539 12 CRANBROOK 16/POOR 1040 8 29/POOR 1264 13 50/FAIR 1335 14 REVELSTOKE 16/POOR 590 3 29/POOR 754 12 23/POOR 660 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 22 NW 46 CRANBROOK NW 22 NW 78 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 14/POOR 595 7 17/POOR 641 14 20/POOR 706 16 100 MILE 13/POOR 971 7 19/POOR 1122 8 45/FAIR 1362 11 WILLIAMS LK 15/POOR 1010 6 16/POOR 1073 10 26/POOR 1216 14 PUNTZI MNT 12/POOR 935 18 19/POOR 1016 12 100/GOOD 1603 24 PR. GEORGE 15/POOR 747 16 14/POOR 766 16 16/POOR 756 20 BURNS LAKE 13/POOR 754 17 19/POOR 826 18 23/POOR 817 27 SMITHERS 13/POOR 562 14 16/POOR 607 17 27/POOR 666 24 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 50 W 78 SMITHERS W 43 W 72 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 32/POOR 797 11 28/POOR 641 12 33/POOR 779 9 FT STJOHN 50/FAIR 935 33 50/FAIR 1051 15 71/GOOD 1271 17 WHITEHORSE 33/POOR 1075 10 27/POOR 968 8 32/POOR 1058 9 DAWSON 12/POOR 376 9 12/POOR 370 3 12/POOR 375 10 WATSON LAKE 47/FAIR 1235 16 50/FAIR 1273 14 52/FAIR 1255 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 44 W 70 WATSON LAKE W 57 W 76 WHITEHORSE W 35 W 63 MAYO W 31 W 52 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 17/POOR 212 4 22/POOR 289 8 61/GOOD 306 30 FRASER VLY 12/POOR 100 6 17/POOR 292 6 54/FAIR 357 22 SRN VRISL 18/POOR 317 5 16/POOR 255 5 12/POOR 26 22 CNTRL VRISL 16/POOR 296 1 19/POOR 244 9 75/GOOD 542 19 NRN VRISL 16/POOR 94 14 12/POOR 35 14 32/POOR 225 26 TERRACE 16/POOR 325 10 18/POOR 354 11 13/POOR 249 18 STEWART 13/POOR 60 15 13/POOR 50 12 19/POOR 106 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 NW 20 NW 28 SANDSPIT NW 12 W 28 W 57 PORT HARDY W 9. W 20 W 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^