FPCN39 CWLW 241400
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN
WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY
24 SEPTEMBER 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  15/POOR   316    9     36/FAIR  1202    4     41/FAIR  1250    4
KAMLOOPS     15/POOR   446    7     26/POOR  1225    3     50/FAIR  1194    7
OKANAGAN     18/POOR   515   15     39/FAIR  1424    4     52/FAI   1235    6
CASTLEGAR    12/POOR   555    3     52/FAIR  1440    6     36/FAIR  1365    6
CRANBROOK    16/POOR  1032   13     51/FAIR  1721    9     51/FAIR  1721    9
REVELSTOKE   14/POOR   517    3     36/FAIR  1326    4     36/FAIR  1323    4

FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PENTICTON  0   0     N   9     N  26
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      14/POOR   604    7     31/POOR  1124    6     50/FAIR  1159    9
100 MILE     14/POOR   993    4     22/POOR  1675    1     53/FAIR  1794    7
WILLIAMS LK  14/POOR   996    4     19/POOR  1501    2     30/POOR  1491    5
PUNTZI MNT   13/POOR   944    7     25/POOR  1579    5     48/FAIR  1754    3
PR. GEORGE   17/POOR   782   14     34/FAIR  1255    6     45/FAIR  1287    6
BURNS LAKE   17/POOR   802   15     27/POOR  1145    6     50/FAIR  1200    8
SMITHERS     15/POOR   621   14     31/POOR  1008    5     50/FAIR  1100    7

FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PR. GEORGE           W  20     NW 35
SMITHERS             NW 26     NW 33



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      35/FAIR   656   27     49/FAIR  1199    4     26/POOR   591   13
FT STJOHN    20/POOR   788   24     45/FAIR  1030   16     49/FAIR  1497    6
WHITEHORSE   41/FAIR   902   23     75/GOOD  1427   16     41/FAIR  1215   10
DAWSON       18/POOR   466   16     41/FAIR   757   11     73/GOOD  1124   11
WATSON LAKE  25/POOR   821   23     75/GOOD  1403   16     46/FAIR  1683    5

FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
DEASE LAKE           W  35     W  57
WATSON LAKE          W  61     W  72
WHITEHORSE           W  54     W  69
MAYO                 W  35     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    20/POOR   163   12     23/POOR   289    7     21/POOR   299    2
FRASER VLY   18/POOR   163    6     33/POOR   702    5     40/FAIR   792    3
SRN VRISL    18/POOR   126    9     26/POOR   195   10     17/POOR   198    4
CNTRL VRISL  15/POOR   110    7     34/FAIR   449    5     25/POOR   451    2
NRN VRISL    13/POOR    56    8     16/POOR   228    3     23/POOR   302    1
TERRACE      12/POOR   252    3     38/FAIR   804    6     64/GOOD   917    9
STEWART      13/POOR    51    6     24/POOR   252    9     20/POOR   220    9

FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
VANCOUVER  E  18     NE 22     NE 41
SANDSPIT   0   0     0   0     NW 13
PORT HARDY 0   0     0   0     N  22

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


END/RET
$$$$^^