FPCN39 CWLW 021430
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF
ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 2 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  24/POOR   372   19     63/GOOD   667   14     86/GOOD  1044   10
KAMLOOPS     21/POOR   443   18     72/GOOD   801   21    100/GOOD  1229   14
OKANAGAN     20/POOR   677   27     57/GOOD   629   15     57/GOOD  1044   12
CASTLEGAR    13/POOR   540   17     18/POOR   595   11     74/GOOD  1256   13
CRANBROOK    23/POOR  1094   11     34/FAIR  1148   17    100/GOOD  1992   15
REVELSTOKE   19/POOR   570   16     12/POOR   461   15     19/POOR   591   10

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PENTICTON  0   0     W  24     W  48
CRANBROOK            W  17     W  50



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      14/POOR   583   19     21/POOR   659   16     82/GOOD  1231    4
100 MILE     16/POOR   988   26     33/POOR  1175   12    100/GOOD  1759   13
WILLIAMS LK  13/POOR   967   22     16/POOR  1050   16    100/GOOD  1897    8
PUNTZI MNT   13/POOR   932   11     58/GOOD  1236   20     56/GOOD  1750    5
PR. GEORGE   13/POOR   714   26     12/POOR   704   24     51/FAIR  1143   10
BURNS LAKE   14/POOR   750   27     14/POOR   740   28     43/FAIR  1126   13
SMITHERS     16/POOR   564   25     13/POOR   539   26     42/FAIR   951   12

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PR. GEORGE           W  48     W  57
SMITHERS             W  44     W  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      24/POOR   656   17     20/POOR   483   20     19/POOR   583   10
FT STJOHN    14/POOR   714   43     13/POOR   707   41     18/POOR   832   12
WHITEHORSE   12/POOR   730   16     33/POOR   949    3     13/POOR   730   23
DAWSON       13/POOR   395   12     14/POOR   412   14     13/POOR   389   29
WATSON LAKE  17/POOR   742   15     14/POOR   733   22     13/POOR   741   12

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
DEASE LAKE           W  35     W  59
WATSON LAKE          W  44     W  59
WHITEHORSE           W  19     W  43
MAYO                 W  19     W  52



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    40/FAIR   178   36     59/GOOD   110    9     28/POOR   261    6
FRASER VLY   41/FAIR   295   24     67/GOOD   259   12     36/FAIR   534   12
SRN VRISL    28/POOR   153   21     68/GOOD   191   14     35/FAIR   355   11
CNTRL VRISL  21/POOR    98   17     66/GOOD   587   12     38/FAIR   394    9
NRN VRISL    15/POOR    68   20     58/GOOD   449   15     35/FAIR   559    1
TERRACE      30/POOR   434   21     53/FAIR   250   16     26/POOR   521   10
STEWART      40/FAIR   565   26     54/FAIR    57   19     16/POOR    85   13

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
VANCOUVER  W  16     W  22     W  35
SANDSPIT   W  31     W  33     NW 33
PORT HARDY W  22     W  28     W  30

VENTILATION GUIDELINES:
          0-33.....POOR
          34-54.....FAIR
          55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET


END/LEC