FPCN39 CWLW 201500
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN
WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST MONDAY
20 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 15/POOR 295 10 100/GOOD 1278 17 81/GOOD 980 9
KAMLOOPS 22/POOR 498 16 100/GOOD 1466 20 100/GOOD 1685 12
OKANAGAN 29/POOR 790 16 100/GOOD 1772 12 77/GOOD 1293 10
CASTLEGAR 52/FAIR 864 19 100/GOOD 1999 8 46/FAIR 1141 6
CRANBROOK 54/FAIR 1233 24 100/GOOD 2473 13 100/GOOD 1763 13
REVELSTOKE 13/POOR 560 13 100/GOOD 1855 11 68/GOOD 1049 11
FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON W 12 W 31 W 61
CRANBROOK W 26 W 70
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 629 10 100/GOOD 1446 26 100/GOOD 2122 17
100 MILE 16/POOR 1025 11 100/GOOD 2030 23 100/GOOD 2661 17
WILLIAMS LK 16/POOR 1031 8 100/GOOD 1926 19 100/GOOD 2595 15
PUNTZI MNT 16/POOR 990 13 100/GOOD 1919 23 100/GOOD 2192 18
PR. GEORGE 26/POOR 832 18 100/GOOD 1464 27 100/GOOD 2085 25
BURNS LAKE 29/POOR 879 22 100/GOOD 1378 30 100/GOOD 1757 25
SMITHERS 27/POOR 670 19 92/GOOD 1026 27 100/GOOD 1459 22
FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE W 46 W 46
SMITHERS W 20 W 31
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 457 21 100/GOOD 1187 20 100/GOOD 2023 42
FT STJOHN 42/FAIR 887 29 100/GOOD 1609 31 100/GOOD 2310 47
WHITEHORSE 95/GOOD 1083 29 100/GOOD 1305 21 100/GOOD 1500 25
DAWSON 21/POOR 468 17 35/FAIR 650 14 48/FAIR 695 16
WATSON LAKE 42/FAIR 900 23 100/GOOD 1600 18 100/GOOD 2106 35
FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE W 22 W 33
WATSON LAKE W 41 NW 26
WHITEHORSE NW 26 NW 30
MAYO NW 33 NW 50
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 24/POOR 166 15 60/GOOG 520 14 26/POOR 343 12
FRASER VLY 16/POOR 144 11 59/GOOD 1002 8 24/POOR 798 2
SRN VRISL 15/POOR 95 8 60/GOOD 397 10 25/POOR 244 12
CNTRL VRISL 17/POOR 122 6 70/GOOD 763 15 45/FAIR 552 15
NRN VRISL 17/POOR 91 18 100/GOOD 436 38 33/POOR 480 7
TERRACE 35/FAIR 700 17 40/FAIR 300 32 100/GOOD 1028 14
STEWART 39/FAIR 244 20 40/FAIR 43 27 64/GOOD 304 19
FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER W 33 W 41 W 43
SANDSPIT W 24 NW 22 NW 24
PORT HARDY SW 37 W 44 W 44
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET
END/
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