FPCN39 CWLW 271430
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF
ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 27 JANUARY 2001 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  13/POOR   256    8     30/POOR   433   10     50/FAIR   679   15
KAMLOOPS     12/POOR   369    9     22/POOR   571   10     14/POOR   386   21
OKANAGAN     12/POOR   458    4     25/POOR   621   10     30/POOR   506   28
CASTLEGAR    21/POOR   609   21     19/POOR   846    6     30/POOR   654   14
CRANBROOK    20/POOR  1035   26     23/POOR  1269    8     30/POOR  1195   16
REVELSTOKE   13/POOR   487   12     23/POOR   806    9     30/POOR   651   17

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PENTICTON  0   0     SW 13     W  22
CRANBROOK            0   0     W  22



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   647   24     26/POOR   674   24     30/POOR   687   28
100 MILE     18/POOR  1014   21     25/POOR  1086   24     14/POOR   964   31
WILLIAMS LK  17/POOR  1010   11     16/POOR  1018   18     13/POOR   957   30
PUNTZI MNT   15/POOR   957   20     30/POOR  1091   21     14/POOR   964   19
PR. GEORGE   19/POOR   776   24     31/POOR   851   27     13/POOR   709   21
BURNS LAKE   15/POOR   770   27     30/POOR   803   20     14/POOR   777    8
SMITHERS     13/POOR   563   21     30/POOR   700   20     13/POOR   549   13

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PR. GEORGE           SW 44     SW 59
SMITHERS             SW 65     SW 81



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      14/POOR   419   20     14/POOR   416   25     14/POOR   408   29
FT STJOHN    28/POOR   815   35     16/POOR   737   35     15/POOR   746   16
WHITEHORSE   22/POOR   794   29     12/POOR   714   32     13/POOR   724   22
DAWSON       19/POOR   434   32     12/POOR   382   20     12/POOR   376   24
WATSON LAKE  13/POOR   719   15     13/POOR   703   27     13/POOR   709   25

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
DEASE LAKE           SW 46     SW 89
WATSON LAKE          SW 70     SW 91
WHITEHORSE           SW 50     SW 83
MAYO                 SE 24     S  20



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    22/POOR   156   21     18/POOR   168    7     25/POOR    81   40
FRASER VLY   17/POOR   144   13     18/POOR   232    2     13/POOR    78   31
SRN VRISL    21/POOR   232    9     16/POOR   212    3     34/FAIR   126   29
CNTRL VRISL  17/POOR   123   13     28/POOR   345    9     23/POOR   118   27
NRN VRISL    19/POOR    96   22     30/POOR   153   24     16/POOR    50   45
TERRACE      16/POOR   288   23     20/POOR   309   28     13/POOR   259   15
STEWART      29/POOR   185   19     30/POOR   159   28     23/POOR   192    2

FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
VANCOUVER  SE 12     SW 28     SW 37
SANDSPIT   SW 44     SW 46     SW 65
PORT HARDY S  46     S  70     SW 74

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


END/JDG