FPCN39 CWLW 191400 SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 19 OCTOBER 1999 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 14/POOR 288 9 20/POOR 631 6 20/POOR 631 6 KAMLOOPS 12/POOR 398 6 26/POOR 853 7 26/POOR 853 7 OKANAGAN 15/POOR 512 10 25/POOR 949 4 25/POOR 949 4 CASTLEGAR 37/FAIR 742 17 36/FAIR 1017 9 36/FAIR 1017 9 CRANBROOK 25/POOR 1088 18 40/FAIR 1455 10 40/FAIR 1455 10 REVELSTOKE 18/POOR 572 14 38/FAIR 944 8 38/FAIR 944 8 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 9 N 17 CRANBROOK 0 0 N 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 16/POOR 626 7 46/FAIR 925 16 16/POOR 620 11 100 MILE 13/POOR 981 7 44/FAIR 1384 16 39/FAIR 1268 10 WILLIAMS LK 14/POOR 986 6 39/FAIR 1326 12 18/POOR 1078 12 PUNTZI MNT 13/POOR 938 8 39/FAIR 1285 10 41/FAIR 1091 25 PR. GEORGE 17/POOR 781 12 34/FAIR 901 19 12/POOR 706 21 BURNS LAKE 17/POOR 786 23 75/GOOD 1149 27 41/FAIR 965 18 SMITHERS 16/POOR 584 26 100/GOOD 1033 25 64/GOOD 993 14 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 28 NW 43 SMITHERS W 31 W 43 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 13/POOR 406 23 14/POOR 418 37 100/GOOD 895 33 FT STJOHN 32/POOR 822 38 100/GOOD 1070 37 100/GOOD 2141 30 WHITEHORSE 50/FAIR 903 37 66/GOOD 912 32 81/GOOD 1267 16 DAWSON 17/POOR 436 29 12/POOR 378 28 93/GOOD 842 17 WATSON LAKE 16/POOR 731 34 17/POOR 734 26 100/GOOD 1828 25 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 50 W 83 WATSON LAKE W 76 W 96 WHITEHORSE SW 78 SW124 MAYO SW 54 W 57 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 17/POOR 63 26 17/POOR 163 10 16/POOR 183 0 FRASER VLY 23/POOR 168 22 22/POOR 381 4 21/POOR 441 5 SRN VRISL 19/POOR 137 13 17/POOR 111 12 13/POOR 152 1 CNTRL VRISL 13/POOR 62 11 21/POOR 283 8 17/POOR 320 2 NRN VRISL 14/POOR 73 7 12/POOR 139 9 21/POOR 366 5 TERRACE 13/POOR 256 15 71/GOOD 676 18 12/POOR 245 14 STEWART 17/POOR 106 21 34/FAIR 218 21 26/POOR 239 7 FORCAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NE 22 E 26 NE 28 SANDSPIT W 14 W 26 W 33 PORT HARDY NE 14 NE 26 N 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^