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399 
Fpcn11 cwvr 112337
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 4 PM PST Thursday 11 January 1996 for
tonight Friday and Saturday.
The next scheduled forecast will be issued at 7 PM.

Synopsis for coastal BC.
  Rain continues along the north and central coasts as a band of wet
weather remains anchored over the area.  A heavy rainfall warning
remains in effect for the central coast however rain should begin to
ease this evening.  Strong southeasterly winds are increasing
northward from northern Vancouver Island in advance of a disturbance
well offshore.  The inner south coast can boast a little sunshine
today with temperatures getting into the teens in a few localities. 
The mild southwesterly flow of moist Pacific air will continue for
the next several days with rain gradually spreading down the coast.

Freezing level..south..near 2500 metres on the coast to 1800 metres
inland lowering Friday afternoon to 2000 metres coast and near 1500
metres inland.  North..near 1800 metres coast to 1500 metres inland
except near surface inland northern sections.  Levels lowering Friday
to near 1200 metres.

Greater Vancouver.
Tonight..cloudy with clear periods. Patchy fog. Low 5.
Friday..variable cloudiness. Chance of a shower. High 11.
Saturday..rain tapering to showers. Windy. Low 6. High 9.
Probability of precipitation in percent 20 tonight. 40 Friday and
 90 Saturday.

Greater Victoria.
Tonight..cloudy periods. Patchy fog. Low 7.
Friday..variable cloudiness. Chance of showers. High 11.
Saturday..rain tapering to showers. Windy. Low 7. High 11.
Probability of precipitation in percent 20 tonight. 40 Friday and
 90 Saturday.

Lower Fraser Valley.
Tonight..cloudy periods. Slight chance of showers. Locally windy this
 evening. Patchy fog overnight. Low 6.
Friday..variable cloudiness. Chance of showers. High 10.
Saturday..periods of rain. Windy. Low near 4. High near 9.
Probability of precipitation in percent 30 tonight. 40 Friday and
 90 Saturday.

Whistler.
Tonight..cloudy periods. Chance of showers. Patchy fog. Low 1.
Friday..cloudy with sunny periods. Chance of a shower. High 5.
Saturday..rain tapering to showers. Windy. Low near 2. High near 4.
Probability of precipitation in percent 60 tonight. 60 Friday and
 90 Saturday.

Howe Sound.
Tonight..cloudy. Slight chance of showers. Fog patches. Low 5.
Friday..variable cloudiness. Chance of a shower. High 9.
Saturday..rain tapering to showers. Windy. Low near 4. High near 9.
Probability of precipitation in percent 30 tonight. 40 Friday and
 90 Saturday.

Sunshine Coast
east Vancouver Island.
Tonight..mainly cloudy. Chance of showers. Southeast wind to 50 km/h
 in exposed areas. Fog patches. Low 5.
Friday..cloudy with sunny periods. A chance of showers. High 11.
Saturday..rain tapering to showers. Windy. Low near 4. High near 9.
Probability of precipitation in percent 60 tonight. 60 Friday and
 90 Saturday.

West Vancouver Island.
Tonight..variable cloudiness. Chance of showers. Fog patches.
 Southeast wind to 60 km/h in exposed areas. Low 7.
Friday..cloudy with periods of rain developing. Windy. High 12.
Saturday..rain tapering to showers. Windy. Low near 3. High near 8.
Probability of precipitation in percent 40 tonight. 80 Friday and
 90 Saturday.

North Vancouver Island.
Wind warning issued.
Tonight..mainly cloudy. Periods of rain or drizzle. Southeast wind 60
 to 80 km/h in exposed areas with local higher gusts. Low 7.
Friday..periods of rain. Southerly wind to 60 km/h easing. High 10.
Saturday..mainly cloudy with showers. Windy. Low near 4. High near 8.
Probability of precipitation in percent 100 tonight. 100 Friday and
 80 Saturday.

Central coast - coastal sections.
Wind warning issued.
Heavy rain warning in effect.
Tonight..rain heavy at times easing this evening. Further rainfall
 amounts 30 to 50 mm. Southeast wind 60 to 80 km/h in exposed areas
 with local higher gusts. Low 7.
Friday..cloudy with periods of rain. Southerly wind to 60 km/h
 easing. High 10.
Saturday..mainly cloudy with showers. Windy low 2. High 4.
Probability of precipitation in percent 100 tonight. 90 Friday and
 80 Saturday.

Central coast - inland sections.
Heavy rain warning in effect.
Tonight..rain easing overnight. Locally windy. Further rainfall
 amounts 20 to 50 mm. Low 3.
Friday..cloudy with periods of rain. High 5.
Saturday..mainly cloudy with flurries or showers. Windy. Low zero.
 High plus 3.
Probability of precipitation in percent 100 tonight. 90 Friday and
 80 Saturday.

North coast - coastal sections.
Tonight..rain..heavy at times easing to showers overnight. South wind
 to 60 km/h in exposed areas. Low 4.
Friday..cloudy with occasional rain. Windy. High 6.
Saturday..mainly cloudy with showers. Windy. Low 1. High 3.
Probability of precipitation in percent 100 tonight. 90 Friday and
 80 Saturday.

North coast - inland sections.
Tonight..rain..locally heavy easing to a few showers overnight.
 Periods of snow northern sections. Low zero to 3.
Friday..occasional rain with snow northern sections. High 4.
Saturday..mainly cloudy with flurries likely. Windy. Low minus 2.
 High zero.
Probability of precipitation in percent 100 tonight. 90 Friday and
 70 Saturday.

Queen Charlottes.
Tonight..periods of rain or drizzle. Windy in exposed areas. Low 7.
Friday..periods of rain. High 9.
Saturday..cloudy with showers likely. Windy. Low 1. High 6.
Probability of precipitation in percent 100 tonight. 90 Friday and
 70 Saturday.

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