FPCN39 CWLW 221500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 22 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 32/POOR 420 21 88/GOOD 678 15 100/GOOD 1670 14 KAMLOOPS 34/FAIR 568 15 100/GOOD 1073 20 100/GOOD 1640 11 OKANAGAN 41/FAIR 617 31 100/GOOD 1001 23 100/GOOD 1984 18 CASTLEGAR 17/POOR 575 19 56/GOOD 905 13 100/GOOD 1492 16 CRANBROOK 30/POOR 1164 12 93/GOOD 1468 19 100/GOOD 2378 20 REVELSTOKE 31/POOR 645 19 21/POOR 572 17 100/GOOD 1801 15 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 11 W 30 W 54 CRANBROOK W 20 W 61 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 16/POOR 627 12 44/FAIR 969 10 100/GOOD 1810 11 100 MILE 39/FAIR 1152 22 90/GOOD 1480 15 100/GOOD 2220 13 WILLIAMS LK 20/POOR 1050 16 43/FAIR 1308 7 100/GOOD 2047 10 PUNTZI MNT 28/POOR 1095 17 68/GOOD 1495 12 100/GOOD 2496 13 PR. GEORGE 13/POOR 727 6 34/FAIR 1232 5 100/GOOD 1992 17 BURNS LAKE 19/POOR 833 15 72/GOOD 1419 12 100/GOOD 2019 14 SMITHERS 26/POOR 709 15 77/GOOD 1379 10 100/GOOD 1716 10 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 76 W 106 SMITHERS W 59 W 78 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 16/POOR 440 26 61/GOOD 1114 10 100/GOOD 1458 8 FT STJOHN 13/POOR 733 19 41/FAIR 1209 12 69/GOOD 1140 22 WHITEHORSE 31/POOR 877 21 100/GOOD 1537 21 100/GOOD 1451 17 DAWSON 24/POOR 534 18 35/FAIR 757 11 64/GOOD 843 16 WATSON LAKE 21/POOR 795 17 100/GOOD 2521 11 100/GOOD 2498 18 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 43 W 76 WATSON LAKE W 37 W 35 WHITEHORSE W 31 W 33 MAYO W 9 0 0 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 24/POOR 106 26 14/POOR 47 14 71/GOOD 766 15 FRASER VLY 27/POOR 198 23 30/POOR 200 20 100/GOOD 1169 16 SRN VRISL 19/POOR 110 14 38/FAIR 189 20 87/GOOD 671 17 CNTRL VRISL 38/FAIR 254 21 93/GOOD 664 13 100/GOOD 1161 11 NRN VRISL 31/POOR 367 11 57/GOOD 368 31 87/GOOD 822 16 TERRACE 52/FAIR 654 12 61/GOOD 1183 10 100/GOOD 1227 11 STEWART 49/FAIR 377 13 21/POOR 311 5 40/FAIR 348 12 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 29 W 46 W 57 SANDSPIT W 51 W 70 W 87 PORT HARDY W 31 W 37 W 54 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^