FPCN39 CWLW 111400
SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE
NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF
ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 11 OCTOBER 1999 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 60/GOOD 968 10 96/GOOD 1035 10 100/GOOD 1963 12
KAMLOOPS 65/GOOD 950 10 72/GOOD 1079 11 99/GOOD 1790 7
OKANAGAN 34/FAIR 830 10 55/GOOD 1100 9 100/GOOD 1894 11
CASTLEGAR 48/FAIR 938 8 56/GOOD 1100 11 100/GOOD 2108 10
CRANBROOK 44/FAIR 1258 7 55/GOOD 1323 13 100/GOOD 2754 16
REVELSTOKE 39/FAIR 865 3 41/FAIR 922 8 92/GOOD 1650 9
FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON 0 0 W 22 W 54
CRANBROOK W 17 W 44
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 22/POOR 643 10 63/GOOD 1229 5 100/GOOD 2588 15
100 MILE 100/GOOD 1872 14 100/GOOD 2807 15 100/GOOD 2777 6
WILLIAMS LK 45/FAIR 1271 9 100/GOOD 2840 14 100/GOOD 2640 9
PUNTZI MNT 36/FAIR 1096 10 100/GOOD 2248 16 100/GOOD 3343 19
PR. GEORGE 55/GOOD 949 14 100/GOOD 1707 18 100/GOOD 2041 14
BURNS LAKE 23/POOR 856 15 100/GOOD 1642 18 100/GOOD 2109 22
SMITHERS 33/POOR 762 10 100/GOOD 1503 15 100/GOOD 1749 22
FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE SW 48 W 46
SMITHERS SW 41 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 14/POOR 425 23 100/GOOD 1546 10 100/GOOD 1785 13
FT STJOHN 74/GOOD 996 36 100/GOOD 2124 27 100/GOOD 2408 25
WHITEHORSE 24/POOR 839 20 100/GOOD 1709 14 100/GOOD 2153 12
DAWSON 16/POOR 453 10 31/POOR 767 11 45/FAIR 921 10
WATSON LAKE 23/POOR 813 23 100/GOOD 1892 20 100/GOOD 2329 11
FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE SW 30 SW 48
WATSON LAKE W 43 W 37
WHITEHORSE SW 28 SW 31
MAYO 0 0 0 0
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 35/FAIR 230 16 45/FAIR 650 9 55/GOOD 629 8
FRASER VLY 22/POOR 215 10 46/FAIR 256 8 95/GOOD 1178 12
SRN VRISL 21/POOR 133 7 39/FAIR 225 16 54/FAIR 790 9
CNTRL VRISL 29/POOR 433 7 69/GOOD 565 14 100/GOOD 1239 7
NRN VRISL 15/POOR 86 17 65/GOOD 535 18 95/GOOD 672 27
TERRACE 43/FAIR 576 15 73/GOOD 832 11 100/GOOD 992 15
STEWART 28/POOR 226 15 51/FAIR 404 13 46/FAIR 315 14
FORCAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER W 9. SW 35 SW 57
SANDSPIT W 35 W 35 W 37
PORT HARDY SW 37 SW 39 SW 43
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET
END/MWSO
$$$$^^