FPCN39 CWLW 281500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 28 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 61/GOOD 697 17 100/GOOD 1765 15 68/GOOD 1307 8 KAMLOOPS 94/GOOD 846 22 100/GOOD 2033 17 80/GOOD 1646 9 OKANAGAN 100/GOOD 1224 19 100/GOOD 2112 16 53/FAIR 1665 6 CASTLEGAR 100/GOOD 1407 15 100/GOOD 2097 14 100/GOOD 2232 8 CRANBROOK 36/FAIR 1212 16 100/GOOD 2051 17 100/GOOD 2876 12 REVELSTOKE 53/FAIR 917 11 100/GOOD 1392 9 65/GOOD 1602 6 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 9. SW 28 SW 56 CRANBROOK SW 15 W 48 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 51/FAIR 840 20 100/GOOD 2204 9 100/GOOD 2536 21 100 MILE 100/GOOD 1622 22 100/GOOD 2631 5 100/GOOD 2575 14 WILLIAMS LK 41/FAIR 1214 20 100/GOOD 2758 10 100/GOOD 2477 14 PUNTZI MNT 21/POOR 1012 21 100/GOOD 2678 18 100/GOOD 2703 22 PR. GEORGE 100/GOOD 1653 23 100/GOOD 2352 16 100/GOOD 2185 23 BURNS LAKE 100/GOOD 1640 23 100/GOOD 2260 19 100/GOOD 1604 28 SMITHERS 100/GOOD 1760 20 100/GOOD 1750 13 73/GOOD 935 25 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 44 SW 37 SMITHERS SW 52 SW 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 33/POOR 523 30 100/GOOD 2137 25 100/GOOD 1825 11 FT STJOHN 94/GOOD 1075 31 100/GOOD 2606 29 100/GOOD 2460 29 WHITEHORSE 100/GOOD 1686 28 100/GOOD 2076 17 100/GOOD 1374 26 DAWSON 56/GOOD 685 25 45/FAIR 866 11 65/GOOD 718 23 WATSON LAKE 100/GOOD 2145 28 100/GOOD 2333 29 100/GOOD 2244 18 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 39 S 81 WATSON LAKE SW 43 SW 54 WHITEHORSE S 39 S 67 MAYO S 33 S 35 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 54/FAIR 441 23 59/GOOD 541 16 30/POOR 657 5 FRASER VLY 52/FAIR 505 15 91/GOOD 807 16 52/FAIR 1226 10 SRN VRISL 49/FAIR 329 20 100/GOOD 1047 20 26/POOR 478 1 CNTRL VRISL 45/FAIR 348 21 83/GOOD 952 13 37/FAIR 1114 2 NRN VRISL 65/GOOD 603 22 75/GOOD 691 13 63/GOOD 355 24 TERRACE 93/GOOD 1108 10 100/GOOD 1065 14 38/FAIR 427 26 STEWART 88/GOOD 693 12 90/GOOD 301 13 20/POOR 105 24 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 29 SW 43 SW 56 SANDSPIT SW 51 SW 56 S 57 PORT HARDY S 48 S 67 S 72 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^