Venting Index

Saturday April 21, 2018


You can find the old venting reports here.
FLCN39 CWVR 211330
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY ENVIRONMENT CANADA AT 7:00 AM PDT
SATURDAY 21 APRIL 2018 FOR TODAY.

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

21-APRIL-2018
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   50/FAIR 26      575     99/GOOD 33      2178    37/FAIR 3       2113
KAMLOOPS        61/GOOD 22      916     99/GOOD 31      3408    99/GOOD 18      2627
OKANAGAN        14/POOR 8       570     99/GOOD 23      2447    97/GOOD 14      2565
CASTLEGAR       11/POOR 3       634     99/GOOD 20      2967    90/GOOD 14      2327
CRANBROOK       14/POOR 18      987     99/GOOD 32      2426    82/GOOD 12      2716
REVELSTOKE      10/POOR 1       618     77/GOOD 14      1793    76/GOOD 10      2287
GOLDEN          12/POOR 4       912     99/GOOD 23      2288    78/GOOD 13      2256

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
PENTICTON       W  38   W  43   W  46
CRANBROOK       W  43   W  47   W  49

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         11/POOR 13      578     99/GOOD 26      2184    72/GOOD 10      2217
100 MILE        52/FAIR 32      1239    99/GOOD 32      4050    89/GOOD 12      3028
WILLIAMS LAKE   24/POOR 18      1105    99/GOOD 30      3977    80/GOOD 10      2956
PUNTZI MTN      12/POOR 17      940     99/GOOD 27      3473    79/GOOD 11      2717
PRINCE GEORGE   14/POOR 24      732     62/GOOD 25      1208    92/GOOD 14      2592
BURNS LAKE      14/POOR 8       827     99/GOOD 33      2395    68/GOOD 9       2365
SMITHERS        10/POOR 2       640     99/GOOD 23      2296    70/GOOD 11      1970
MCBRIDE         21/POOR 6       1101    94/GOOD 22      1992    45/FAIR 4       2667
CLEARWATER      44/FAIR 20      763     99/GOOD 18      2564    78/GOOD 11      2152

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
PR. GEORGE      W  11   W  20   W  21
SMITHERS        W  23   W  37   W  26

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 6       403     63/GOOD 19      1066    99/GOOD 18      2990
FT ST JOHN      10/POOR 9       717     72/GOOD 22      1441    99/GOOD 17      2947
WHITEHORSE      10/POOR 8       735     99/GOOD 25      2531    99/GOOD 26      1913
DAWSON          11/POOR 5       439     51/FAIR 5       2236    99/GOOD 16      2374
WATSON LAKE     12/POOR 17      720     89/GOOD 17      2167    90/GOOD 12      2835

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
DEASE LAKE      S  13   SW 12   W  13
WATSON LAKE     S  19   S  18   SW 13
WHITEHORSE      SW 10   SW 12   SW 12
MAYO            0  0    SW 3    SW 8

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       62/GOOD 23      558     57/GOOD 16      709     64/GOOD 23      585
FRASER VALLEY   70/GOOD 31      565     85/GOOD 16      1496    71/GOOD 13      1286
SQUAMISH        56/GOOD 30      412     89/GOOD 20      1299    97/GOOD 20      1544
SRN VAN ISLD    88/GOOD 29      869     75/GOOD 23      799     50/FAIR 14      661
CNTRL VAN ISLD  15/POOR 26      725     69/GOOD 13      1220    50/FAIR 10      946
NRN VAN ISLD    47/FAIR 24      362     91/GOOD 24      1112    42/FAIR 13      561
TERRACE         36/FAIR 20      487     99/GOOD 35      1356    74/GOOD 15      1382
STEWART         10/POOR 2       140     38/FAIR 10      601     33/POOR 10      480

FORECAST UPPER WINDS FOR THIS AFTERNOON
                900M    1800M   2700M
VANCOUVER       W  31   W  37   W  39
SANDSPIT        W  28   W  36   W  34
PORT HARDY      W  24   W  29   W  26


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

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