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142 
Fpcn11 cwvr 311730
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 10 AM PST Wednesday 31 January 1996
for today and Thursday.
The next scheduled forecast will be issued at 4 PM.

Synopsis for coastal BC.
  The cold dome of arctic air remains over most of the province and
will continue to give cold and clear weather to the south coast today
and Thursday.  A weak weather system will brush the southern yukon
and northern b.c. Spreading cloudy periods to the north coast from
time to time.  Strong gusty outflow winds continue through many
inlets and valleys along the coast and arctic outflow warnings
continue for the north and central coasts as well as the Fraser
Valley.  Elsewhere the combination of wind and cold temperatures is
not sufficient to meet the windchill criteria for arctic warnings but
temperatures will remain well below normal.

Freezing level..at the surface.

Greater Vancouver.
Arctic outflow warning ended.
Today..sunny. High near zero.
Tonight..clear. Low minus 5 to minus 10.
Thursday..sunny. High near zero.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

Greater Victoria.
Arctic outflow warning ended.
Today..sunny. Windy. High near zero.
Tonight..clear. Locally windy. Low minus 2 to minus 9.
Thursday..sunny. Windy. High near zero.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

Lower Fraser Valley.
Arctic outflow warning in effect.
Today..sunny. Easterly outflow to 50 km/h giving moderate windchill.
 High near minus 3.
Tonight..clear. Outflow wind continuing. Low minus 5 to minus 14.
Thursday..sunny. Outflow wind continuing. High near minus 2.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

Whistler.
Arctic outflow warning ended.
Today..sunny and cold. Locally windy. High minus 11.
Tonight..clear. Locally windy. Low minus 20.
Thursday..sunny. Locally windy. High minus 8.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

Howe Sound.
Arctic outflow warning ended.
Today..sunny. Easterly outflow wind to 50 km/h. High near zero.
Tonight..clear. Easterly outflow to 50 km/h. Low minus 1 to minus 7.
Thursday..sunny. Outflow wind continuing. High near zero.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

Sunshine Coast.
Arctic outflow warning ended.
Today..sunny. Locally windy. High minus 3.
Tonight..clear. Locally windy. Low minus 10.
Thursday..sunny. Locally windy. High minus 2.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

East Vancouver Island.
Arctic outflow warning ended.
Today..sunny. Locally windy. High near minus 2.
Tonight..clear. Locally windy. Low minus 10 to minus 15.
Thursday..sunny with cloudy periods. Locally windy. High near
 minus 2.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

West Vancouver Island.
Today..sunny. Locally windy this morning. High zero to plus 5.
Tonight..clear. Locally windy. Low zero to minus 8.
Thursday..sunny. Locally windy. High zero to plus 3.
Probability of precipitation in percent zero today. Zero tonight and
 zero Thursday.

North Vancouver Island.
Arctic outflow warning ended.
Today..sunny. Locally windy. High zero.
Tonight..clear. Locally windy. Low minus 8.
Thursday..sunny. Locally windy. High plus 2.
Probability of precipitation in percent 10 today. 10 tonight and
 10 Thursday.

Central coast.
Arctic outflow warning in effect.
Today..sunny. Outflow wind northeasterly 50 to 70 km/h giving
 moderate windchill. High minus 2 coast to minus 6 inland.
Tonight..clear. Outflow wind continuing. Low minus 4 coast to
 minus 14 inland.
Thursday..mainly sunny. Outflow wind continuing. High plus 2 coast to
 minus 6 inland.
Probability of precipitation in percent 10 today. 10 tonight and
 20 Thursday.

North coast.
Arctic outflow warning in effect.
Today..sunny with cloudy periods. Outflow wind to 70 km/h giving high
 windchill. High minus 2 coast to minus 12 inland.
Tonight..cloudy periods. Outflow wind continuing. Low minus 10 coast
 to minus 17 inland.
Thursday..sunny with cloudy periods. Outflow wind continuing.
 High near zero coast to minus 10 inland.
Probability of precipitation in percent 20 today. 10 tonight and
 20 Thursday.

Queen Charlottes.
Today..sunny with cloudy periods. Locally windy. High minus 1.
Tonight..cloudy periods. Locally windy. Low minus 3.
Thursday..cloudy with sunny periods. Locally windy. High plus 1.
Probability of precipitation in percent 10 today. 10 tonight and
 20 Thursday.

End/db


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