FPCN39 CWLW 131400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 13 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 12/POOR 291 5 100/GOOD 2540 9 52/FAIR 896 7 KAMLOOPS 16/POOR 484 4 100/GOOD 3057 11 51/FAIR 1062 8 OKANAGAN 19/POOR 598 7 100/GOOD 3025 8 74/GOOD 1440 9 CASTLEGAR 15/POOR 667 2 100/GOOD 2960 7 70/GOOD 1249 6 CRANBROOK 37/FAIR 1240 14 68/GOOD 3119 5 77/GOOD 1551 15 REVELSTOKE 62/GOOD 1238 4 58/GOOD 2222 7 100/GOOD 1383 9 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 11 W 19 W 22 CRANBROOK W 9 W 19 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 17/POOR 634 9 96/GOOD 3110 3 100/GOOD 2835 8 100 MILE 18/POOR 1075 8 100/GOOD 3195 10 100/GOOD 2759 8 WILLIAMS LK 16/POOR 1057 4 95/GOOD 3703 5 100/GOOD 2918 7 PUNTZI MNT 18/POOR 1015 9 100/GOOD 3608 6 85/GOOD 2756 2 PR. GEORGE 20/POOR 835 10 100/GOOD 3232 5 100/GOOD 3453 7 BURNS LAKE 26/POOR 920 12 100/GOOD 3148 7 100/GOOD 3368 12 SMITHERS 31/POOR 924 7 100/GOOD 2550 8 100/GOOD 2865 13 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 0 0 SMITHERS S 17 0 0 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 97/GOOD 960 21 100/GOOD 2274 19 100/GOOD 1598 12 FT STJOHN 98/GOOD 1486 10 100/GOOD 2082 18 100/GOOD 2829 15 WHITEHORSE 21/POOR 1085 6 100/GOOD 2588 17 100/GOOD 2497 10 DAWSON 19/POOR 481 13 100/GOOD 3295 15 100/GOOD 2369 22 WATSON LAKE 59/GOOD 1315 9 100/GOOD 3083 13 100/GOOD 2604 7 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 20 W 20 WATSON LAKE W 19 W 28 WHITEHORSE NW 22 NW 22 MAYO N 20 NW 17 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 25/POOR 141 22 82/GOOD 687 11 34/FAIR 558 20 FRASER VLY 28/POOR 208 23 100/GOOD 1681 10 68/GOOD 1324 4 SRN VRISL 23/POOR 183 13 55/GOOD 365 17 40/FAIR 467 9 CNTRL VRISL 18/POOR 162 8 71/GOOD 703 9 67/GOOD 1068 10 NRN VRISL 19/POOR 206 5 57/GOOD 756 12 69/GOOD 613 30 TERRACE 38/FAIR 708 8 88/GOOD 2066 4 100/GOOD 2040 8 STEWART 23/POOR 399 5 80/GOOD 759 6 81/GOOD 1008 8 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 27 W 19 W 13 SANDSPIT 0 0 E 9 E 15 PORT HARDY SW 9. S 9 S 13 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^