FLCN39 CWVR 191330
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY ENVIRONMENT CANADA
AT 7:00 AM PDT
THURSDAY 19 APRIL 2007 FOR TODAY.

MIXING HEIGHTS IN METRES ABOVE SEA LEVEL.  AVERAGE WINDS IN KM/H.

19-APRIL-2007
SOUTHERN INTERIOR                       TODAY                           TOMORROW
                7:00 AM                 4:00 PM                 4:00 PM
                VI      WND     MXG HT  VI      WND     MXG HT  VI      WND     MXG HT
                        KM/H    M               KM/H    M               KM/H    M
FRASER CANYON   27/POOR 8       672     63/GOOD 6       2422    65/GOOD 7       2234
KAMLOOPS        27/POOR 17      546     78/GOOD 9       2470    85/GOOD 9       2881
OKANAGAN        18/POOR 8       658     87/GOOD 10      2842    59/GOOD 5       2824
CASTLEGAR       23/POOR 5       1011    74/GOOD 8       2651    63/GOOD 6       2713
CRANBROOK       25/POOR 8       1335    36/FAIR 4       2285    72/GOOD 14      2137
REVELSTOKE      19/POOR 5       804     35/FAIR 5       1501    24/POOR 5       1028
GOLDEN          28/POOR 8       1261    58/GOOD 9       2047    24/POOR 5       1366

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
PENTICTON       0  0    NW 41   N  37
CRANBROOK               NW 15   NW 28

CENTRAL INTERIOR                        TODAY                           TOMORROW
                7:00 AM                 4:00 PM                 4:00 PM
                VI      WND     MXG HT  VI      WND     MXG HT  VI      WND     MXG HT
                        KM/H    M               KM/H    M               KM/H    M
QUESNEL         33/POOR 13      915     99/GOOD 17      2541    55/GOOD 6       2323
100 MILE        20/POOR 16      1073    99/GOOD 17      3439    35/FAIR 2       3571
WILLIAMS LAKE   18/POOR 12      1074    99/GOOD 14      3466    61/GOOD 5       3429
PUNTZI MTN      14/POOR 7       1043    83/GOOD 8       3592    43/FAIR 3       3283
PRINCE GEORGE   20/POOR 14      844     99/GOOD 25      2411    47/FAIR 5       2367
BURNS LAKE      10/POOR 8       741     99/GOOD 17      3042    43/FAIR 5       2176
SMITHERS        11/POOR 6       597     80/GOOD 9       2756    44/FAIR 5       2004
MCBRIDE         14/POOR 3       1029    55/GOOD 7       2223    40/FAIR 5       2013
CLEARWATER      13/POOR 5       529     50/FAIR 5       2187    50/FAIR 5       2241

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
PR. GEORGE              NE 15   NE 24
SMITHERS                E  17   E  22

NORTHERN BC/YUKON                       TODAY                           TOMORROW
                7:00 AM                 4:00 PM                 4:00 PM
                VI      WND     MXG HT  VI      WND     MXG HT  VI      WND     MXG HT
                        KM/H    M               KM/H    M               KM/H    M
FORT NELSON     12/POOR 15      415     85/GOOD 10      2655    58/GOOD 8       1824
FT ST JOHN      12/POOR 12      738     77/GOOD 10      2587    35/FAIR 7       1443
WHITEHORSE      11/POOR 7       761     71/GOOD 10      2301    97/GOOD 15      2700
DAWSON          11/POOR 8       426     93/GOOD 13      2466    99/GOOD 22      2314
WATSON LAKE     11/POOR 8       731     60/GOOD 5       3122    92/GOOD 12      2899

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
DEASE LAKE              0  0    NE 13
WATSON LAKE             E  11   0  0
WHITEHORSE              S  11   SW 24
MAYO                    S  22   S  9

COAST                                   TODAY                           TOMORROW
                7:00 AM                 4:00 PM                 4:00 PM
                VI      WND     MXG HT  VI      WND     MXG HT  VI      WND     MXG HT
                        KM/H    M               KM/H    M               KM/H    M
VANCOUVER       39/FAIR 18      351     47/FAIR 12      701     34/FAIR 6       832
FRASER VALLEY   21/POOR 9       310     65/GOOD 12      1210    61/GOOD 10      1300
SQUAMISH        19/POOR 5       410     35/FAIR 6       929     39/FAIR 5       1303
SRN VAN ISLD    33/POOR 11      447     43/FAIR 12      628     48/FAIR 17      513
CNTRL VAN ISLD  19/POOR 12      182     47/FAIR 6       1400    73/GOOD 12      1443
NRN VAN ISLD    16/POOR 5       290     96/GOOD 27      1097    67/GOOD 14      1054
TERRACE         16/POOR 4       553     66/GOOD 8       2004    55/GOOD 8       1529
STEWART         22/POOR 6       39      33/POOR 6       807     27/POOR 5       707

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
VANCOUVER       0  0    0  0    0  0
SANDSPIT        0  0    SE 17   SE 22
PORT HARDY      SE 11   SE 17   SE 15


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

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