FPCN39 CWLW 191430
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF
ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 19 DECEMBER 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 48/FAIR 573 13 75/GOOD 1341 12 33/POOR 634 8
KAMLOOPS 19/POOR 424 27 78/GOOD 1274 21 15/POOR 631 7
OKANAGAN 77/GOOD 950 13 73/GOOD 1253 16 18/POOR 782 4
CASTLEGAR 20/POOR 604 12 100/GOOD 1382 20 31/POOR 1067 7
CRANBROOK 19/POOR 1033 15 100/GOOD 2014 22 27/POOR 1439 4
REVELSTOKE 96/GOOD 1090 16 64/POOR 999 15 18/POOR 655 7
FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON NW 9. NW 28 N 54
CRANBROOK NW 17 N 41
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 22/POOR 651 23 78/GOOD 1689 22 25/POOR 806 19
100 MILE 41/FAIR 1174 26 85/GOOD 1876 24 23/POOR 1210 14
WILLIAMS LK 28/POOR 1088 24 85/GOOD 1855 21 23/POOR 1256 14
PUNTZI MNT 22/POOR 1003 26 100/GOOD 1710 19 27/POOR 1252 18
PR. GEORGE 17/POOR 755 26 87/GOOD 1654 19 14/POOR 826 13
BURNS LAKE 18/POOR 779 28 67/GOOD 1912 21 19/POOR 820 19
SMITHERS 13/POOR 548 24 60/GOOD 1469 15 23/POOR 656 21
FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE N 35 N 43
SMITHERS N 30 N 50
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 12/POOR 409 31 12/POOR 388 10 12/POOR 397 9
FT STJOHN 100/GOOD 1349 38 14/POOR 714 25 12/POOR 727 17
WHITEHORSE 12/POOR 713 30 12/POOR 711 21 12/POOR 722 15
DAWSON 13/POOR 396 14 14/POOR 396 32 13/POOR 382 22
WATSON LAKE 13/POOR 705 35 12/POOR 897 26 12/POOR 697 5
FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE N 22 N 43
WATSON LAKE N 35 N 46
WHITEHORSE S 15 NW 9
MAYO SW 28 W 39
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 33/POOR 169 5 66/GOOD 1183 19 99/GOOD 494 33
FRASER VLY 13/POOR 87 13 41/FAIR 847 12 50/FAIR 409 24
SRN VRISL 72/GOOD 403 11 66/GOOD 1106 18 63/GOOD 423 21
CNTRL VRISL 32/POOR 237 21 47/FAIR 901 17 100/GOOD 586 25
NRN VRISL 19/POOR 134 19 44/AIR 671 10 35/FAIR 155 39
TERRACE 12/POOR 233 14 37/FAIR 529 4 19/POOR 329 18
STEWART 13/POOR 49 22 34/FAIR 205 19 13/POOR 50 21
FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER N 16 N 30 N 52
SANDSPIT SE 11 NE 15 N 24
PORT HARDY NE 33 N 30 N 50
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET
END/GF