FPCN39 CWLW 241400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 24 APRIL 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 100/GOOD 1688 14 100/GOOD 2104 7 100/GOOD 1109 20 KAMLOOPS 100/GOOD 1991 22 100/GOOD 3028 6 100/GOOD 2119 25 OKANAGAN 100/GOOD 1993 18 100/GOOD 2838 8 100/GOOD 2487 19 CASTLEGAR 100/GOOD 2132 14 100/GOOD 2692 10 100/GOOD 1593 14 CRANBROOK 63/GOOD 1394 16 100/GOOD 3464 17 100/GOOD 2147 14 REVELSTOKE 100/GOOD 1535 12 100/GOOD 2187 8 93/GOOD 1564 5 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 15 W 35 CRANBROOK W 15 W 35 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 100/GOOD 2286 21 100/GOOD 3629 3 100/GOOD 2575 27 100 MILE 100/GOOD 2646 28 100/GOOD 3743 4 100/GOOD 2697 24 WILLIAMS LK 100/GOOD 2666 20 100/GOOD 3766 5 100/GOOD 2776 25 PUNTZI MNT 100/GOOD 2360 17 100/GOOD 3324 11 100/GOOD 3212 29 PR. GEORGE 100/GOOD 2005 25 100/GOOD 3288 7 100/GOOD 3058 20 BURNS LAKE 100/GOOD 1958 21 100/GOOD 3171 5 100/GOOD 2502 27 SMITHERS 100/GOOD 1412 20 100/GOOD 2287 4 100/GOOD 2419 25 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 13 SW 28 SMITHERS S 28 S 28 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 27/POOR 551 18 94/GOOD 3400 7 100/GOOD 1449 17 FT STJOHN 15/POOR 767 4 100/GOOD 3175 22 100/GOOD 3613 11 WHITEHORSE 44/FAIR 1003 17 100/GOOD 2840 17 100/GOOD 2717 15 DAWSON 15/POOR 421 9 100/GOOD 3293 13 100/GOOD 2968 8 WATSON LAKE 18/POOR 794 13 100/GOOD 3625 18 100/GOOD 2914 17 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 SW 11 WATSON LAKE NW 28 W 15 WHITEHORSE S 20 S 19 MAYO SW 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 97/GOOD 1149 21 71/GOOD 760 9 100/GOOD 554 32 FRASER VLY 100/GOOD 1454 13 100/GOOD 1442 6 100/GOOD 750 21 SRN VRISL 96/GOOD 826 19 68/GOOD 516 16 100/GOOD 746 25 CNTRL VRISL 74/GOOD 835 19 100/GOOD 1035 19 100/GOOD 930 27 NRN VRISL 88/GOOD 690 19 100/GOOD 1727 26 100/GOOD 677 37 TERRACE 100/GOOD 1498 12 100/GOOD 1552 7 100/GOOD 1565 19 STEWART 91/GOOD 767 10 95/GOOD 432 9 77/GOOD 295 25 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 29 S 35 SW 37 SANDSPIT SW 27 S 30 S 39 PORT HARDY S 44 S 52 S 52 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^