FPCN39 CWLW 021400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 2 MAY 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 69/GOOD 691 15 100/GOOD 1623 15 100/GOOD 1169 19 KAMLOOPS 100/GOOD 1170 19 100/GOOD 2627 21 100/GOOD 1662 31 OKANAGAN 100/GOOD 1296 13 100/GOOD 2424 17 100/GOOD 1506 22 CASTLEGAR 100/GOOD 1454 12 100/GOOD 2502 16 100/GOOD 605 14 CRANBROOK 66/GOOD 1403 16 100/GOOD 2467 18 100/GOOD 1581 22 REVELSTOKE 100/GOOD 1367 9 100/GOOD 2368 11 100/GOOD 793 12 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 11 SW 35 SW 69 CRANBROOK S 17 SW 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 81/GOOD 1623 9 100/GOOD 3395 20 100/GOOD 2425 16 100 MILE 94/GOOD 1730 15 100/GOOD 3328 21 100/GOOD 2964 32 WILLIAMS LK 64/GOOD 1400 18 100/GOOD 3490 19 100/GOOD 2894 27 PUNTZI MNT 82/GOOD 1521 16 100/GOOD 3187 22 100/GOOD 3579 26 PR. GEORGE 74/GOOD 1547 10 100/GOOD 2694 4 100/GOOD 2123 15 BURNS LAKE 38/FAIR 1046 13 100/GOOD 2409 15 100/GOOD 1976 17 SMITHERS 18/POOR 634 16 100/GOOD 2038 13 100/GOOD 1214 16 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 31 SW 31 SMITHERS SW 41 SW 54 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 69/GOOD 722 26 100/GOOD 3324 7 100/GOOD 3590 18 FT STJOHN 42/FAIR 1011 15 100/GOOD 3476 10 100/GOOD 3005 23 WHITEHORSE 33/POOR 1016 9 100/GOOD 2457 13 100/GOOD 2213 12 DAWSON 37/FAIR 702 12 100/GOOD 2530 11 100/GOOD 2730 16 WATSON LAKE 41/FAIR 1036 11 100/GOOD 3264 7 100/GOOD 2794 24 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 28 SW 41 WATSON LAKE W 33 W 28 WHITEHORSE SW 30 SW 43 MAYO SW 19 SW 13 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 13/POOR 54 5 100/GOOD 421 19 100/GOOD 865 24 FRASER VLY 14/POOR 113 12 100/GOOD 1078 19 100/GOOD 1246 19 SRN VRISL 15/POOR 81 12 100/GOOD 273 11 98/GOOD 481 21 CNTRL VRISL 15/POOR 103 12 100/GOOD 802 12 100/GOOD 665 24 NRN VRISL 41/FAIR 246 19 100/GOOD 1112 34 100/GOOD 1013 33 TERRACE 39/FAIR 494 16 100/GOOD 1991 11 100/GOOD 1720 6 STEWART 41/FAIR 311 14 100/GOOD 200 16 100/GOOD 328 6 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 22 SW 30 SW 44 SANDSPIT SW 44 SW 44 SW 43 PORT HARDY S 27 SW 33 SW 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^