FPCN39 CWLW 121500
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN
WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY
12 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 52/FAIR 596 16 100/GOOD 1474 10 79/GOOD 930 9
KAMLOOPS 23/POOR 471 20 100/GOOD 1852 12 100/GOOD 1267 14
OKANAGAN 53/FAIR 891 14 100/GOOD 1945 11 70/GOOD 1094 11
CASTLEGAR 18/POOR 637 14 100/GOOD 1994 10 45/FAIR 976 9
CRANBROOK 24/POOR 1082 22 100/GOOD 2646 16 100/GOOD 2094 14
REVELSTOKE 74/GOOD 1060 12 100/GOOD 1785 8 49/FAIR 1006 7
FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON 0 0 SW 24 W 50
CRANBROOK SW 11 SW 35
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 17/POOR 620 17 100/GOOD 1389 17 96/GOOD 1794 11
100 MILE 18/POOR 1016 20 100/GOOD 2448 15 100/GOOD 1949 15
WILLIAMS LK 18/POOR 1027 17 100/GOOD 2149 13 100/GOOD 2020 10
PUNTZI MNT 15/POOR 964 19 100/GOOD 2193 15 100/GOOD 2201 11
PR. GEORGE 18/POOR 769 14 52/FAIR 1401 11 55/GOOD 1459 5
BURNS LAKE 22/POOR 842 16 76/GOOD 1477 12 84/GOOD 1632 12
SMITHERS 20/POOR 659 12 66/GOOD 1254 12 82/GOOD 1385 13
FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE S 33 S 28
SMITHERS SE 31 S 22
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 18/POOR 488 13 34/FAIR 1276 4 61/GOOD 1324 9
FT STJOHN 24/POOR 898 11 30/POOR 1068 12 52/FAIR 1311 11
WHITEHORSE 23/POOR 853 19 24/POOR 1082 6 47/FAIR 1100 14
DAWSON 22/POOR 454 30 25/POOR 545 12 35/FAIR 586 17
WATSON LAKE 40/FAIR 1165 12 31/POOR 1376 5 97/GOOD 1548 15
FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE E 22 S 11
WATSON LAKE E 28 0 0
WHITEHORSE E 26 0 0
MAYO E 44 E 43
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 58/GOOD 378 16 50/FAIR 456 16 44/FAIR 277 27
FRASER VLY 49/FAIR 479 14 53/FAIR 784 10 53/FAIR 730 14
SRN VRISL 27/POOR 205 14 35/FAIR 309 14 43/FAIR 157 26
CNTRL VRISL 33/POOR 212 20 87/GOOD 668 17 46/FAIR 353 23
NRN VRISL 44/FAIR 224 31 82/GOOD 327 39 98/GOOD 552 32
TERRACE 42/FAIR 535 14 51/FAIR 675 11 50/FAIR 743 10
STEWART 31/POOR 268 12 18/POOR 120 14 21/POOR 138 14
FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER SW 51 SW 57 SW 50
SANDSPIT S 33 S 26 S 22
PORT HARDY W 42 W 43 SW 33
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET
END/
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