FPCN39 CWLW 111400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 11 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 15/POOR 312 6 80/GOOD 1358 5 77/GOOD 1399 7 KAMLOOPS 20/POOR 486 11 100/GOOD 1970 6 100/GOOD 1807 14 OKANAGAN 17/POOR 577 7 92/GOOD 2042 5 100/GOOD 2047 11 CASTLEGAR 29/POOR 710 16 100/GOOD 2375 7 100/GOOD 2342 9 CRANBROOK 27/POOR 1108 19 100/GOOD 2382 5 100/GOOD 2549 8 REVELSTOKE 12/POOR 486 3 80/GOOD 1768 2 100/GOOD 1499 7 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 24 NW 48 CRANBROOK NW 13 NW 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 13/POOR 592 2 100/GOOD 2183 6 100/GOOD 2283 22 100 MILE 17/POOR 1044 9 100/GOOD 2436 6 100/GOOD 2269 19 WILLIAMS LK 15/POOR 1045 7 100/GOOD 2343 6 100/GOOD 2551 19 PUNTZI MNT 13/POOR 978 4 100/GOOD 2331 14 100/GOOD 2158 19 PR. GEORGE 14/POOR 759 1 100/GOOD 2139 3 100/GOOD 2488 27 BURNS LAKE 17/POOR 798 17 92/GOOD 1603 11 100/GOOD 2294 21 SMITHERS 16/POOR 594 18 100/GOOD 1317 9 100/GOOD 1765 16 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 17 NW 41 SMITHERS 0 0 NW 30 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 18/POOR 463 17 87/GOOD 1192 11 100/GOOD 2047 18 FT STJOHN 63/GOOD 1103 24 98/GOOD 1692 14 100/GOOD 2626 23 WHITEHORSE 18/POOR 823 4 43/FAIR 1465 10 49/FAIR 1366 9 DAWSON 16/POOR 434 15 25/POOR 795 1 35/FAIR 629 12 WATSON LAKE 16/POOR 754 16 91/GOOD 2395 5 100/GOOD 2437 8 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 W 15 WATSON LAKE NW 19 W 30 WHITEHORSE N 13 NW 19 MAYO NW 13 NW 28 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 18/POOR 93 14 23/POOR 334 17 23/POOR 404 16 FRASER VLY 19/POOR 172 9 33/POOR 971 8 34/FAIR 914 8 SRN VRISL 18/POOR 137 10 23/POOR 222 9 20/POOR 216 9 CNTRL VRISL 14/POOR 97 8 28/POOR 450 9 26/POOR 499 9 NRN VRISL 17/POOR 110 14 14/POOR 209 8 47/FAIR 439 21 TERRACE 18/POOR 322 11 91/GOOD 1268 6 100/GOOD 1457 15 STEWART 13/POOR 72 8 24/POOR 270 8 35/FAIR 214 19 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 NW 28 NW 41 SANDSPIT 0 0 W 15 W 28 PORT HARDY 0 0 W 15 W 24 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^