Venting Index

Saturday July 4, 2009


You can find the old venting reports here.
FLCN39 CWVR 041312
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY ENVIRONMENT CANADA AT 7:00 AM
PDT
SATURDAY 4 JULY 2009 FOR TODAY.

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

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04-July-2009
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   20/POOR 5       631     99/GOOD 30      2500    99/GOOD 40      1761
KAMLOOPS        28/POOR 12      658     99/GOOD 20      3100    99/GOOD 20      2955
OKANAGAN        19/POOR 15      585     99/GOOD 21      2499    99/GOOD 15      2826
CASTLEGAR       20/POOR 14      640     99/GOOD 20      2999    91/GOOD 15      2923
CRANBROOK       61/GOOD 25      1440    99/GOOD 23      3164    99/GOOD 24      3817
REVELSTOKE      35/FAIR 7       1203    99/GOOD 20      1543    99/GOOD 15      2442
GOLDEN          15/POOR 5       1011    99/GOOD 20      2527    99/GOOD 20      2651

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
PENTICTON       E  8    E   8   SW 10
CRANBROOK       SE 10   SE 15   SE 20

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         56/GOOD 16      1233    97/GOOD 15      2543    94/GOOD 13      2682
100 MILE        99/GOOD 23      2298    96/GOOD 10      3842    85/GOOD 10      3239
WILLIAMS LAKE   21/POOR 10      1170    99/GOOD 18      3935    66/GOOD 6       3305
PUNTZI MTN      99/GOOD 17      1251    99/GOOD 29      3478    74/GOOD 7       3397
PRINCE GEORGE   26/POOR 8       1095    94/GOOD 20      1866    94/GOOD 13      2841
BURNS LAKE      35/FAIR 27      906     99/GOOD 32      1886    99/GOOD 16      2710
SMITHERS        22/POOR 8       829     92/GOOD 22      1741    99/GOOD 15      2353
MCBRIDE         18/POOR 8       946     77/GOOD 14      2069    57/GOOD 8       2121
CLEARWATER      30/POOR 9       864     92/GOOD 15      2182    97/GOOD 15      2374

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
PR. GEORGE      E  16   NE  26  NE  13
SMITHERS        NW  8   E  6    E  5

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     10/POOR 9       406     61/GOOD 10      1619    81/GOOD 15      1772
FT ST JOHN      24/POOR 10      972     99/GOOD 27      2591    57/GOOD 15      1443
WHITEHORSE      18/POOR 9       881     99/GOOD 10      3808    99/GOOD 10      3821
DAWSON          14/POOR 10      453     99/GOOD 11      3594    70/GOOD 10      3538
WATSON LAKE     10/POOR 2       812     99/GOOD 15      3853    99/GOOD 14      3734

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
DEASE LAKE      NE 10   NE 10   NE 9
WATSON LAKE     SW  10  S  10   S  12
WHITEHORSE      NW 14   NW  18  NW  18
MAYO            W  14   W  16   W  20

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       65/GOOD 28      499     92/GOOD 18      1502    68/GOOD 18      831
FRASER VALLEY   59/GOOD 29      463     74/GOOD 23      819     87/GOOD 20      1250
SQUAMISH        18/POOR 9       248     68/GOOD 15      1052    78/GOOD 15      1326
SRN VAN ISLD    38/FAIR 31      215     95/GOOD 32      919     71/GOOD 18      919
CNTRL VAN ISLD  28/POOR 17      242     78/GOOD 18      1090    60/GOOD 10      1335
NRN VAN ISLD    27/POOR 15      248     87/GOOD 24      1022    66/GOOD 12      1222
TERRACE         18/POOR 7       443     65/GOOD 15      872     75/GOOD 17      1262
STEWART         10/POOR 4       56      75/GOOD 15      164     85/GOOD 10      347

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900m    1800m   2700m
VANCOUVER       W  20   W  28   W  15
SANDSPIT        W  17   W  17   N  7
PORT HARDY      W  12   W  20   N  9


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

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