FPCN39 CWLW 061330
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF
ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 6 MAY 2001 FOR TODAY.

MIXING HEIGHTS IN METRES ABOVE SEA LEVEL.  AVERAGE WINDS IN KM/H.
SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING
HEIGHT IS BELOW THE HEIGHT OF LOCAL MOUNTAINS OR HILLS.

06-May-2001
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   14/POOR 11      306     54/FAIR 8       1510    92/GOOD 20      1577
KAMLOOPS        17/POOR 17      434     53/FAIR 7       1780    99/GOOD 24      1968
OKANAGAN        17/POOR 16      544     40/FAIR 4       2057    99/GOOD 21      2008
CASTLEGAR       14/POOR 14      561     53/FAIR 8       1728    76/GOOD 14      1813
CRANBROOK       17/POOR 18      1016    64/GOOD 9       2429    85/GOOD 16      2369
REVELSTOKE      11/POOR 13      476     32/POOR 3       1988    62/GOOD 12      1515

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
PENTICTON       0  0    N  24   NW 11
CRANBROOK               NW 35   N  46

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         83/GOOD 16      1906    70/GOOD 11      1989    99/GOOD 27      2419
100 MILE        83/GOOD 17      2206    53/FAIR 8       2172    99/GOOD 28      2477
WILLIAMS LAKE   80/GOOD 16      2214    64/GOOD 11      2162    99/GOOD 27      2717
PUNTZI MTN      22/POOR 3       1755    53/FAIR 9       2021    99/GOOD 33      2582
PRINCE GEORGE   78/GOOD 17      1818    53/FAIR 9       1803    99/GOOD 26      2635
BURNS LAKE      53/FAIR 11      1458    54/FAIR 7       1989    99/GOOD 30      1616
SMITHERS        24/POOR 4       1232    53/FAIR 9       1634    89/GOOD 23      1611
MCBRIDE         59/GOOD 12      1721    47/FAIR 7       1911    60/GOOD 15      1549
CLEARWATER      73/GOOD 16      1461    48/FAIR 7       1618    72/GOOD 16      1438

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
PR. GEORGE              NW 11   W  20
SMITHERS                SE 19   S  13

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     88/GOOD 29      1230    39/FAIR 5       1604    99/GOOD 23      2717
FT ST JOHN      82/GOOD 21      1705    48/FAIR 7       1917    99/GOOD 21      3051
WHITEHORSE      79/GOOD 14      2106    69/GOOD 14      1814    99/GOOD 26      2822
DAWSON          19/POOR 10      565     43/FAIR 5       1802    86/GOOD 16      1813
WATSON LAKE     44/FAIR 16      1154    42/FAIR 5       2104    99/GOOD 26      2331

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
DEASE LAKE              S  15   S  17
WATSON LAKE             W  17   W  11
WHITEHORSE              S  30   S  37
MAYO                    SW 22   SW 17

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       17/POOR 7       223     18/POOR 3       576     51/FAIR 23      410
FRASER VALLEY   24/POOR 8       421     39/FAIR 5       1283    65/GOOD 15      989
SRN VAN ISLD    12/POOR 4       135     15/POOR 4       289     29/POOR 14      293
CNTRL VAN ISLD  13/POOR 5       170     26/POOR 5       671     47/FAIR 11      772
NRN VAN ISLD    16/POOR 9       169     53/FAIR 22      477     77/GOOD 16      1188
TERRACE         41/FAIR 8       1055    84/GOOD 16      1590    60/GOOD 19      857
STEWART         27/POOR 7       516     33/FAIR 20      250     27/POOR 17      216

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
VANCOUVER       SE 11   0  0    NW 19
SANDSPIT        S  24   S  26   S  28
PORT HARDY      SE 52   S  48   S  52


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

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