FPCN39 CWLW 311430
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF
ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 31 JANUARY 2001 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 35/FAIR 435 22 100/GOOD 779 23 92/GOOD 678 24
KAMLOOPS 22/POOR 508 11 47/FAIR 638 21 13/POOR 364 26
OKANAGAN 19/POOR 545 11 35/FAIR 581 17 14/POOR 462 26
CASTLEGAR 14/POOR 561 6 29/POOR 703 16 41/FAIR 845 14
CRANBROOK 19/POOR 1053 15 19/POOR 1067 9 48/FAIR 1444 20
REVELSTOKE 12/POOR 480 3 38/FAIR 697 17 12/POOR 460 16
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON W 9. W 33 W 70
CRANBROOK NW 17 NW 56
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 35/FAIR 734 25 15/POOR 587 28 15/POOR 576 35
100 MILE 28/POOR 1118 16 22/POOR 1054 25 22/POOR 1024 32
WILLIAMS LK 27/POOR 1109 17 13/POOR 966 21 27/POOR 1053 33
PUNTZI MNT 16/POOR 970 19 100/GOOD 1574 34 100/GOOD 1471 32
PR. GEORGE 33/POOR 868 22 25/POOR 793 32 14/POOR 718 34
BURNS LAKE 37/FAIR 919 23 49/FAIR 910 37 12/POOR 724 25
SMITHERS 45/FAIR 782 20 100/GOOD 1203 31 12/POOR 533 21
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE SW 61 W 94
SMITHERS SW 70 SW102
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 16/POOR 438 15 33/POOR 528 30 14/POOR 414 27
FT STJOHN 17/POOR 771 14 16/POOR 744 24 13/POOR 722 20
WHITEHORSE 100/GOOD 1177 32 45/FAIR 738 31 12/POOR 712 24
DAWSON 37/POOR 624 17 19/POOR 436 30 13/POOR 395 26
WATSON LAKE 29/POOR 841 25 16/POOR 745 22 13/POOR 709 21
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE SW 46 SW 91
WATSON LAKE SW 52 W 91
WHITEHORSE S 54 SW 93
MAYO S 37 S 54
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 15/POOR 43 21 15/POOR 47 25 15/POOR 30 39
FRASER VLY 20/POOR 165 23 22/POOR 189 19 12/POOR 68 29
SRN VRISL 13/POOR 39 25 21/POOR 91 15 13/POOR 34 30
CNTRL VRISL 13/POOR 51 20 53/FAIR 328 18 15/POOR 71 29
NRN VRISL 13/POOR 41 29 12/POOR 27 39 13/POOR 33 41
TERRACE 20/POOR 315 26 13/POOR 244 25 12/POOR 232 20
STEWART 38/FAIR 227 22 17/POOR 82 25 12/POOR 30 18
FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER SW 29 SW 46 W 67
SANDSPIT SW 66 SW 78 SW 85
PORT HARDY S 70 SW 85 SW 91
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET
END/LEC