FPCN39 CWLW 271430
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF
ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 27 FEBRUARY 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   276   12     44/FAIR   719    9    100/GOOD   975   14
KAMLOOPS     14/POOR   397   11     45/FAIR   787   12    100/GOOD  1124   24
OKANAGAN     20/POOR   555   13     42/FAIR  1018    8    100/GOOD  1250   16
CASTLEGAR    16/POOR   588   14     43/FAIR  1205    6    100/GOOD  1337   13
CRANBROOK    25/POOR  1077   19     64/GOOD  1647    8    100/GOOD  1713   19
REVELSTOKE   14/POOR   521    2     42/FAIR  1160    5    100/GOOD  1457   15

FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PENTICTON  0   0     0   0     0   0
CRANBROOK            0   0     NW 20


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      24/POOR   657   21     54/FAIR   856   23     75/GOOD   919   24
100 MILE     21/POOR  1041   22     57/GOOD  1318   19    100/GOOD  1482   23
WILLIAMS LK  22/POOR  1053   13     44/FAIR  1253   16    100/GOOD  1508   24
PUNTZI MNT   16/POOR   975   13    100/GOOD  1587   19    100/GOOD  2356   33
PR. GEORGE   23/POOR   797   23     54/FAIR  1014   20     41/FAIR   883   27
BURNS LAKE   21/POOR   822   22     54/FAIR  1014   20    100/GOOD  1530   23
SMITHERS     21/POOR   636   20     54/FAIR  1014   20    100/GOOD  1358   20

FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
PR. GEORGE           SW 44     SW 52
SMITHERS             SW 76     SW122


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   413   12     26/POOR   499   29     15/POOR   432   24
FT STJOHN    43/FAIR   868   37    100/GOOD  2000   35     28/POOR   848   24
WHITEHORSE   14/POOR   724   46     49/FAIR   844   41     61/GOOD   968   27
DAWSON       47/FAIR   512   48     29/POOR   451   42     14/POOR   390   13
WATSON LAKE  19/POOR   760   25     19/POOR   760   25    100/GOOD  1487   26

FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
DEASE LAKE           SW 57     SW111
WATSON LAKE          SW 70     SW100
WHITEHORSE           S  67     S 115
MAYO                 S  78     S 113


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   214   28     22/POOR   283    6     24/POOR   276    2
FRASER VLY   23/POOR   185   17     26/POOR   636    3     36/FAIR   479   10
SRN VRISL    27/POOR   241   10     24/POOR   253    8     77/GOOD   378    8
CNTRL VRISL  28/POOR   220   16     39/FAIR   443   11    100/GOOD  1249    9
NRN VRISL    28/POOR   153   21     75/GOOD   411   24    100/GOOD   601   18
TERRACE      43/FAIR   466   22    100/GOOD   852   28     86/GOOD   891   15
STEWART      21/POOR   113   24     13/POOR    33   29     54/FAIR   284   19

FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) :
            900m     1800m     2700m
VANCOUVER  SE 11     S  13     SW 11
SANDSPIT   SW 74     SW 78     SW 87
PORT HARDY S  40     S  59     SW 50

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

END/MtnWC