FPCN39 CWLW 261400
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN
WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 26 JULY
2000 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 81/GOOD 916 11 100/GOOD 1428 13 100/GOOD 873 19
KAMLOOPS 85/GOOD 919 18 100/GOOD 1868 16 100/GOOD 1360 23
OKANAGAN 97/GOOD 1481 8 100/GOOD 2315 9 100/GOOD 1729 13
CASTLEGAR 22/POOR 707 6 100/GOOD 2196 12 100/GOOD 2017 14
CRANBROOK 17/POOR 1035 10 100/GOOD 2684 16 100/GOOD 2629 18
REVELSTOKE 56/GOOD 1288 6 100/GOOD 1766 8 56/GOOD 1025 9
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON 0 0 W 17 SW 22
CRANBROOK 0 0 SW 22
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 31/POOR 775 13 100/GOOD 2632 21 100/GOOD 1483 25
100 MILE 77/GOOD 1700 14 100/GOOD 2587 24 100/GOOD 2113 31
WILLIAMS LK 40/FAIR 1290 12 100/GOOD 2801 21 100/GOOD 2023 28
PUNTZI MNT 66/GOOD 1477 13 100/GOOD 2858 22 100/GOOD 2244 27
PR. GEORGE 32/POOR 1101 8 100/GOOD 2673 16 100/GOOD 1648 26
BURNS LAKE 26/POOR 957 10 64/GOOD 1409 11 96/GOOD 1311 21
SMITHERS 22/POOR 702 11 79/GOOD 1185 12 100/GOOD 1309 14
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE S 19 SW 24
SMITHERS S 33 SW 43
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 36/FAIR 590 22 100/GOOD 1965 4 100/GOOD 1619 21
FT STJOHN 100/GOOD 1256 23 100/GOOD 3420 14 100/GOOD 2802 24
WHITEHORSE 17/POOR 820 7 100/GOOD 1983 9 100/GOOD 1753 13
DAWSON 70/GOOD 994 12 100/GOOD 1788 7 100/GOOD 2227 7
WATSON LAKE 14/POOR 751 6 65/GOOD 1990 6 49/FAIR 1415 9
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE S 26 S 33
WATSON LAKE SW 28 SW 35
WHITEHORSE 0 0 0 0
MAYO W 19 W 15
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 49/FAIR 616 12 33/POOR 495 6 38/FAIR 170 31
FRASER VLY 46/FAIR 680 10 66/GOOD 1018 8 16/POOR 125 19
SRN VRISL 58/GOOD 510 15 25/POOR 317 4 38/FAIR 164 20
CNTRL VRISL 52/FAIR 517 16 63/GOOD 721 8 37/FAIR 229 23
NRN VRISL 18/POOR 66 22 13/POOR 37 37 64/GOOD 290 27
TERRACE 42/FAIR 534 13 15/POOR 284 13 77/GOOD 748 15
STEWART 36/FAIR 293 11 19/POOR 160 15 23/POOR 187 15
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER SW 16 SW 24 SW 35
SANDSPIT W 25 W 22 SW 26
PORT HARDY SW 20 SW 26 SW 26
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET
END/
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