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536 
Fpcn11 cwvr 171736
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 10 AM PST Wednesday 17 January 1996
for today and Thursday.
The next scheduled forecast will be issued at 4 PM.

Synopsis for coastal BC.
  A strong ridge of high pressure over the b.c. Interior is allowing
cold dry arctic air to spread out towards the coast.  Arctic outflow
warnings remain in effect for the north and central coasts as high
winds combined with cold temperatures continues to give high
windchill values.
  Mainly clear skies and cold temperatures will persist today and
through early Thursday.  Cloud will spread across the south coast
later Thursday as a weather system approaches washington.

Freezing level..south..surface this morning increasing to near 300
metres this afternoon then becoming surface again this evening. 
North..surface or near surface.

Greater Vancouver.
Today..sunny with a few cloudy periods. High 4.
Tonight..mainly clear. Wind easterly 30 km/h developing. Low minus 2
 to minus 5.
Thursday..becoming cloudy. High zero to plus 3.
Probability of precipitation in percent 20 today. 10 tonight and
 20 Thursday.

Greater Victoria.
Today..sunny with cloudy periods. High 5.
Tonight..a few clouds. Low minus 2.
Thursday..mainly cloudy. Chance of flurries. High 1 to 4.
Probability of precipitation in percent 20 today. 10 tonight and
 40 Thursday.

Lower Fraser Valley.
Today..a mix of sun and cloud. Easterly wind to 40 km/h especially
 over eastern sections. High minus 2 to plus 2.
Tonight..clear. Wind easterly 40 km/h. Low minus 3 to minus 6.
Thursday..becoming cloudy. High minus 1 to plus 3.
Probability of precipitation in percent 20 today. 10 tonight and
 20 Thursday.

Whistler.
Today..mainly sunny. High minus 3.
Tonight..clear. Locally windy. Low minus 13.
Thursday..mainly sunny. Becoming cloudy in the afternoon.
 High minus 3.
Probability of precipitation in percent 10 today. 10 tonight and
 20 Thursday.

Howe Sound.
Today..mainly sunny. Outflow wind 40 to 60 km/h. High zero to plus 4.
Tonight..mainly clear. Outflow wind 40 to 60 km/h. Low minus 3 to
 minus 6.
Thursday..becoming cloudy. Outflow wind 40 to 60 km/h. High minus 2
 to plus 3.
Probability of precipitation in percent 10 today. 10 tonight and
 20 Thursday.

Sunshine Coast.
Today..mainly sunny. High plus 4.
Tonight..mainly clear. Low minus 4.
Thursday..becoming cloudy. Locally windy. High plus 3.
Probability of precipitation in percent 10 today. 10 tonight and
 20 Thursday.

East Vancouver Island.
Today..sunny with cloudy periods. High 4.
Tonight..cloudy periods. Low minus 2 to minus 5.
Thursday..becoming cloudy. Locally windy. High 3.
Probability of precipitation in percent 20 today. 20 tonight and
 20 Thursday.

West Vancouver Island.
Today..sunny with cloudy periods. Local fog patches lifting.
 High zero to plus 5.
Tonight..mainly clear. Becoming windy. Low minus 1 to minus 3.
Thursday..mainly cloudy. Chance of flurries. Wind southeast 40 to
 60 km/h. High plus 2 to 5.
Probability of precipitation in percent 10 today. 20 tonight and
 40 Thursday.

North Vancouver Island.
Today..sunny with cloudy periods. Locally windy. High 1 to 4.
Tonight..mainly clear. Low minus 2.
Thursday..becoming cloudy. Windy. High plus 1.
Probability of precipitation in percent 20 today. 10 tonight and
 20 Thursday.

Central coast.
Arctic outflow warning in effect.
Today..mainly sunny. Outflow wind 60 to 90 km/h through mainland
 inlets. High plus 1 coast to minus 8 inland.
Tonight..clear. Outflow wind continuing through mainland inlets.
 Low minus 3 coast to minus 15 inland.
Thursday..sunny with cloudy periods. Outflow wind continuing through
 mainland inlets. High plus 1 coast to minus 8 inland.
Probability of precipitation in percent 10 today. 10 tonight and
 20 Thursday.

North coast.
Arctic outflow warning in effect.
Today..mainly sunny. Outflow wind 60 to 90 km/h continuing through
 mainland inlets. High minus 1 coast to minus 12 inland.
Tonight..clear. Outflow wind continuing through mainland inlets.
 Low minus 12 coast to minus 23 inland.
Thursday..sunny with cloudy periods. Outflow wind continuing through
 mainland inlets. High minus 3 coast to minus 12 inland.
Probability of precipitation in percent 10 today. 10 tonight and
 20 Thursday.

Queen Charlottes.
Today..sunny with cloudy periods. High plus 1.
Tonight..cloudy periods. Low minus 3.
Thursday..variable cloudiness. Slight chance of flurries. Windy.
 High plus 2.
Probability of precipitation in percent 10 today. 10 tonight and
 30 Thursday.

End/pw


187 
fpcn11 cwvr 171930 aaa
revised forecasts for coastal British Columbia issued by the Pacific
weather centre of Environment Canada at 11:30 AM PST Wednesday
17 January 1996 for today and Thursday. 
The next scheduled forecast will be issued at 4 PM. 

Widely scattered snow showers have developed along the west side of
Vancouver Island.  Revised forecast follows.

Freezing level..south..surface this morning increasing to near 300
metres this afternoon then becoming surface again this evening. 
North..surface or near surface.

West Vancouver Island - coastal sections.
Today..a mix of cloud and sun. Chance of flurries. High 1 to 5.
Tonight..a few clouds. Becoming windy. Low minus 1 to minus 3.
Thursday..mainly cloudy. Chance of flurries. Wind southeast 40 to
 60 km/h. High plus 2 to 5.
Probability of precipitation in percent 60 today. 20 tonight and
 40 Thursday.

Remainder of forecasts unchanged.

End/pw


405 
fpcn50 cwvr 032130
mountain weather forecast for coastal British Columbia issued by the
Pacific weather centre of Environment Canada in Vancouver at 2:00 PM
PST Wednesday 3 January 1996 valid until midnight Thursday.  The next
scheduled forecast will be issued at 6:00 AM PST Thursday.

Precipitation intensity is forecast as an
hourly rate of snowfall water equivalent.
  Nil        light         moderate           heavy
no pcpn   up to 2.5 mm   2.5 to 7.5 mm   more than 7.5 mm

discussion.
A big upper ridge covers the gulf of Alaska with a northerly flow
over the coast. The ridge supports a 1040 mb arctic surface high
centered over the central yukon. This high centre will move to
north-central BC by Thursday afternoon. The arctic front extends
from near rosespit on the queen Charlottes to vicinty bella coola -
southeastwards. Overnight the central and southern portions will
push out to queen charlotte Sound on the central coast and strait of
georgia in the south. Cloud associated with the front May generate
some isolated light flurries over eastern slopes tonight. Otherwise
conditions will be mainly clear and cold with strong surface outflow
winds through the inlets and valleys.

Freezing level..surface central and north coasts. In the south near
1400 metres coast to 1000 metres inland lowering to 600 metres coast
and surface inland overnight and Thursday.

Extended outlook.
On Friday the surface high will move to central sask and the upper
high will drift eastward allowing overrunning cloud on the next
series of fronts to reach the coast in the evening and precipitation
to spread onto the coast overnight. On sat the upper high will move
inland bringing a mild southwest flow over the coast with rising
freezing levels and significant precipitation. The front will move
inland early sun leaving the coast under an unstable showery and
somewhat cooler pattern again.

South coast mountains.
Warnings.. None.
Occasional light flurries eastern slopes this evening then nil.
Mountaintop winds..northwest 20 km/h becoming northeast 20 km/h
overnight. Outflow winds 30 to 40 km/h at the surface.

Location        precip to 4am   precip 4am-4pm   min  max
                Thursday          Thursday
squamish        nil             nil              -3    -1
duffey lk       0-1             nil             -10    -7
allison pass    0-1             nil              -5    -3
Fraser canyon   nil             nil              -2     0

central coast mountains.
Warnings.. Artic outflow warning.
Occasional light flurries eastern slopes this evening then nil.
Mountaintop winds..northeast 30 to 40 km/h. Outflow winds 50 to 80
km/h at the surface.

Location        precip to 4am   precip 4am-4pm   min  max
                Thursday          Thursday
heckman pass    0-1             nil             -12    -9

north coast mountains.
Warnings.. Artic outflow warning.
Nil tonight and thurs.
Mountaintop winds..northeast 30 to 40 km/h becoming easterly 30 to
40 km/h overnight. Outflow winds 60 to 90 km/h at the surface.

Location        precip to 4am   precip 4am-4pm   min  max
                Thursday          Thursday
terrace tyee    nil             nil              -6    -2
bear pass       nil             nil             -11    -8
ningunsaw pass  nil             nil             -16   -11
telegraph crk   nil             nil             -17    -6

confidence..good. Fairly straightfoward dry arctic pattern in the
short term. Tempertures in the north might be a little colder.
Details of the breakdown fri night and sat still a little uncertain
but thickness pattern and advections indicate freezing levels near
1800 metres in the south and 1500 metres in the north for sat
afternoon.  In addition there's a good chance of some freezing rain
with this situation.

This mountain weather forecast was produced for BC ministry of
transportation and highways, snow avalanche programs and applies
specifically to those areas in the forecast.  If further information
or other products are required for local operations, please call
664-9033.

End/db