FPCN39 CWLW 021500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 2 MARCH 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 51/FAIR 541 17 100/GOOD 1246 18 100/GOOD 798 20 KAMLOOPS 45/FAIR 505 22 100/GOOD 1198 21 100/GOOD 928 22 OKANAGAN 84/GOOD 856 26 93/GOOD 1182 14 100/GOOD 1186 26 CASTLEGAR 21/POOR 642 15 65/GOOD 754 9 84/GOOD 1040 17 CRANBROOK 17/POOR 1044 12 66/GOOD 1511 14 100/GOOD 1902 21 REVELSTOKE 47/FAIR 787 15 70/GOOD 845 11 36/FAIR 720 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 19 SW 30 CRANBROOK SW 9 W 26 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 53/FAIR 811 29 70/GOOD 823 19 47/FAIR 803 16 100 MILE 61/GOOD 1233 30 100/GOOD 1831 20 73/GOOD 1332 22 WILLIAMS LK 43/FAIR 1153 29 80/GOOD 1241 17 84/GOOD 1407 14 PUNTZI MNT 15/POOR 959 18 100/GOOD 2438 23 100/GOOD 2358 26 PR. GEORGE 38/FAIR 877 30 80/GOOD 720 21 100/GOOD 1670 27 BURNS LAKE 24/POOR 822 26 100/GOOD 1436 24 100/GOOD 1918 25 SMITHERS 28/POOR 685 20 77/GOOD 995 18 100/GOOD 1489 22 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 35 SW 44 SMITHERS S 52 S 65 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 14/POOR 444 6 19/POOR 583 6 30/POOR 681 9 FT STJOHN 45/FAIR 760 23 100/GOOD 2034 31 100/GOOD 1325 32 WHITEHORSE 33/POOR 932 18 49/FAIR 1022 20 97/GOOD 1178 23 DAWSON 15/POOR 405 30 30/POOR 519 23 30/POOR 510 26 WATSON LAKE 19/POOR 806 17 33/POOR 1059 4 31/POOR 929 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 26 SW 46 WATSON LAKE SW 30 S 17 WHITEHORSE S 26 S 30 MAYO S 9 SW 15 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 81/GOOD 413 31 68/GOOD 533 17 14/POOR 28 25 FRASER VLY 89/GOOD 518 22 100/GOOD 915 17 13/POOR 80 29 SRN VRISL 37/FAIR 189 21 100/GOOD 300 20 37/FAIR 203 19 CNTRL VRISL 60/GOOD 305 15 100/GOOD 825 16 100/GOOD 688 20 NRN VRISL 31/POOR 167 22 70/GOOD 388 25 100/GOOD 890 24 TERRACE 34/FAIR 444 17 62/GOOD 564 22 63/GOOD 623 16 STEWART 25/POOR 176 18 50/FAIR 71 19 31/POOR 149 22 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 25 S 28 SW 33 SANDSPIT S 10 S 100 S 74 PORT HARDY S 66 S 80 S 76 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^