FPCN39 CWLW 151500
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN
WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY
15 MARCH 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 14/POOR 300 14 100/GOOD 1412 11 80/GOOD 815 14
KAMLOOPS 61/GOOD 741 20 100/GOOD 1451 12 44/FAIR 678 14
OKANAGAN 100/GOOD 1169 18 81/GOOD 1670 7 63/GOOD 864 16
CASTLEGAR 100/GOOD 1387 18 100/GOOD 1859 9 34/FAIR 754 15
CRANBROOK 32/POOR 1198 18 100/GOOD 2286 16 64/GOOD 1369 16
REVELSTOKE 85/GOOD 1345 12 87/GOOD 1508 9 33/POOR 724 12
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON SW 9. W 24 W 56
CRANBROOK SW 19 SW 57
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 19/POOR 756 9 100/GOOD 1369 16 38/FAIR 783 19
100 MILE 42/FAIR 1354 16 100/GOOD 1925 16 41/FAIR 1243 18
WILLIAMS LK 16/POOR 1152 9 90/GOOD 1678 15 65/GOOD 1348 18
PUNTZI MNT 14/POOR 976 5 100/GOOD 2027 17 100/GOOD 1831 29
PR. GEORGE 18/POOR 869 6 81/GOOD 1444 13 81/GOOD 862 20
BURNS LAKE 33/POOR 931 14 100/GOOD 1463 21 100/GOOD 1755 27
SMITHERS 19/POOR 630 20 100/GOOD 1102 22 100/GOOD 1395 20
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE W 46 W 48
SMITHERS SW 43 SW 54
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 15/POOR 469 11 79/GOOD 1159 14 26/POOR 801 6
FT STJOHN 15/POOR 745 15 78/GOOD 1081 12 19/POOR 877 7
WHITEHORSE 30/POOR 828 24 88/GOOD 1078 31 98/GOOD 1245 21
DAWSON 63/GOOD 651 31 80/GOOD 653 36 27/POOR 564 16
WATSON LAKE 17/POOR 771 13 100/GOOD 1485 23 100/GOOD 1552 12
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE SE 20 S 39
WATSON LAKE E 44 SE 33
WHITEHORSE E 33 E 39
MAYO E 44 E 41
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 30/POOR 206 16 55/GOOD 533 13 46/FAIR 195 37
FRASER VLY 24/POOR 229 10 98/GOOD 1151 7 42/FAIR 290 25
SRN VRISL 15/POOR 152 12 80/GOOD 1084 11 75/GOOD 297 33
CNTRL VRISL 20/POOR 136 8 77/GOOD 672 14 100/GOOD 787 25
NRN VRISL 22/POOR 110 28 100/GOOD 481 39 100/GOOD 776 24
TERRACE 31/POOR 404 16 100/GOOD 1038 19 100/GOOD 1351 15
STEWART 36/FAIR 230 16 66/GOOD 825 25 40/FAIR 204 18
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER W 44 W 59 W 67
SANDSPIT W 57 W 63 W 57
PORT HARDY W 37 W 48 W 56
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET
END/GF
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