FPCN39 CWLW 311400
SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN
WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY
31 AUGUST 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 70/GOOD 801 12 100/GOOD 1896 14 100/GOOD 1866 8
KAMLOOPS 59/GOOD 755 18 100/GOOD 2085 16 88/GOOD 1548 4
OKANAGAN 36/FAIR 692 15 100/GOOD 2255 11 100/GOOD 2482 12
CASTLEGAR 13/POOR 534 11 100/GOOD 2279 16 100/GOOD 2029 7
CRANBROOK 45/FAIR 1276 11 100/GOOD 2458 18 21/POOR 1467 3
REVELSTOKE 21/POOR 592 14 100/GOOD 1814 8 68/GOOD 1206 8
FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PENTICTON NW 11 NW 24 NW 37
CRANBROOK 0 0 NW 15
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 62/GOOD 962 18 72/GOOD 1153 15 100/GOOD 2193 9
100 MILE 49/FAIR 1415 16 67/GOOD 1696 7 100/GOOD 2909 12
WILLIAMS LK 58/GOOD 1351 17 100/GOOD 1953 12 100/GOOD 3010 11
PUNTZI MNT 40/FAIR 1208 20 100/GOOD 2160 11 79/GOOD 2089 9
PR. GEORGE 58/GOOD 1196 16 87/GOOD 1966 12 100/GOOD 1661 27
BURNS LAKE 95/GOOD 1418 15 85/GOOD 1740 23 100/GOOD 1589 30
SMITHERS 90/GOOD 1260 16 85/GOOD 1407 24 100/GOOD 1469 25
FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
PR. GEORGE NE 20 N 22
SMITHERS SW 20 W 20
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 71/GOOD 751 28 100/GOOD 1858 24 100/GOOD 1439 24
FT STJOHN 32/POOR 845 25 100/GOOD 1127 38 51/FAIR 912 28
WHITEHORSE 100/GOOD 1343 23 100/GOOD 1900 18 100/GOOD 2145 15
DAWSON 64/GOOD 865 20 68/GOOD 1770 3 100/GOOD 1445 23
WATSON LAKE 93/GOOD 1249 20 76/GOOD 1920 5 100/GOOD 2195 16
FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
DEASE LAKE SW 28 SW 28
WATSON LAKE S 19 SW 19
WHITEHORSE SW 24 SW 30
MAYO S 33 S 33
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 53/FAIR 399 8 62/GOOD 572 6 39/FAIR 614 5
FRASER VLY 17/POOR 155 14 82/GOOD 811 13 92/GOOD 1424 8
SRN VRISL 36/FAIR 249 21 62/GOOD 376 20 32/POOR 496 5
CNTRL VRISL 69/GOOD 683 16 84/GOOD 1126 2 69/GOOD 1188 6
NRN VRISL 94/GOOD 591 20 100/GOOD 844 30 50/FAIR 613 13
TERRACE 95/GOOD 987 12 88/GOOD 1345 10 100/GOOD 1424 18
STEWART 52/FAIR 360 17 100/GOOD 801 22 100/GOOD 778 21
FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) :
900m 1800m 2700m
VANCOUVER N 16 N 20 N 31
SANDSPIT W 16 W 24 NW 50
PORT HARDY N 20 N 22 NW 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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