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196 
Fpcn11 cwvr 012330
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 4 PM PST Friday 1 December 1995 for
tonight Saturday and Sunday.
The next scheduled forecast will be issued at 7 PM.

Synopsis for coastal BC.
  A very unsettled pattern continued over the coast today as a cold
low spun slowly southward in the gulf of Alaska.  Over the south
coast a mix of sunny breaks clouds and showers prevailed.  In the
north snow fell for most of the day at terrace and is still falling
at stewart.  The snow has eased for now in these areas but will
increase again overnight and Saturday as the low moves in.
Snowfall warnings continue for the north coast and the queen
Charlottes.  Little change is expected in this pattern tonight and
Saturday.  Showers or flurries and gusty winds will continue over
most areas.  There is even a chance of some isolated thundershowers
and small hail along the outer coast.  On Sunday a frontal system
moving through washington state will brush the south coast with
periods of rain while showers or flurries continue in the north.
Temperatures will be close to normal for early December.

Freezing level..south..near 1000 metres lowering to 800 metres by
Saturday morning.  North..surface except 400 metres near the coast
today.

Greater Vancouver.
Tonight..mainly cloudy with showers. Windy. Low 3.
Saturday..mainly cloudy with showers. Windy. High 8.
Sunday..periods of rain. Windy. Low 4. High 8.
Probability of precipitation in percent 80 tonight. 80 Saturday and
 100 Sunday.

Greater Victoria.
Tonight..mainly cloudy with a few showers. Chance of a thundershower.
 Windy. Low 2.
Saturday..cloudy with a few showers. Windy. High 8.
Sunday..periods of rain. Windy. Low 4. High 9.
Probability of precipitation in percent 80 tonight. 80 Saturday and
 90 Sunday.

Lower Fraser Valley.
Tonight..cloudy with showers. Locally windy. Low 3.
Saturday..cloudy with showers. Locally windy. High 8.
Sunday..periods of rain. Windy. Low near 4. High near 10.
Probability of precipitation in percent 100 tonight. 100 Saturday and
 100 Sunday.

Whistler.
Tonight..cloudy with flurries. Local accumulations to 8 centimetres.
 Low minus 3.
Saturday..cloudy with flurries. Locally windy. High zero.
Sunday..periods of snow. Low minus 4. High zero.
Probability of precipitation in percent 100 tonight. 90 Saturday and
 90 Sunday.

Howe Sound.
Tonight..cloudy with showers. Locally windy. Low 3.
Saturday..cloudy with showers. Windy. High 7.
Sunday..periods of rain. Windy. Low 4. High 8.
Probability of precipitation in percent 90 tonight. 90 Saturday and
 90 Sunday.

Sunshine Coast
east Vancouver Island.
Tonight..cloudy with clear periods. A few showers with flurries over
 higher ground. Slight chance of a thundershower. Windy. Low 1.
Saturday..cloudy with sunny periods. Chance of showers. Windy.
 High 8.
Sunday..periods of rain. Windy. Low 2. High 9.
Probability of precipitation in percent 80 tonight. 60 Saturday and
 90 Sunday.

West Vancouver Island.
Tonight..cloudy with showers. Flurries over higher ground. Chance of
 a thundershower. Windy. Low 2.
Saturday..cloudy with showers. Windy. High 7.
Sunday..periods of rain. Windy. Low 3. High 8.
Probability of precipitation in percent 90 tonight. 90 Saturday and
 90 Sunday.

North Vancouver Island.
Tonight..cloudy with mixed rain and snow showers. Chance of a
 thundershower. Windy. Low 1.
Saturday..cloudy with mixed rain and snow showers. Windy. High 5.
Sunday..cloudy with showers. Windy. Low 2. High 5.
Probability of precipitation in percent 90 tonight. 90 Saturday and
 80 Sunday.

Central coast.
Tonight..cloudy with showers except flurries inland with local
 accumulations to 5 centimetres. Chance of a thundershower. Locally
 windy. Low zero.
Saturday..cloudy with showers. Flurries inland. Windy. High near 3.
Sunday..cloudy with flurries. Windy. Low zero coast to minus 5
 inland. High 3 coast to minus 2 inland.
Probability of precipitation in percent 90 tonight. 90 Saturday and
 80 Sunday.

North coast - coastal sections.
Snowfall warning in effect.
Tonight..flurries with local accumulations to 5 centimetres. Chance
 of a thundershower. Windy. Low minus 1.
Saturday..cloudy with flurries or showers and flurries mixed. Windy.
 High 2.
Sunday..cloudy with flurries. Windy. Low zero coast to minus 5
 inland. High 3 coast to minus 2 inland.
Probability of precipitation in percent 100 tonight. 100 Saturday and
 80 Sunday.

North coast - inland sections.
Snowfall warning continued.
Tonight..periods of snow over northern sections. Flurries or mixed
 rain and snow showers over southern sections. Further accumulations
 of 10 to 15 cm. Low minus 4.
Saturday..flurries and windy. High minus 1.
Sunday..cloudy with flurries. Windy. Low minus 5. High minus 2.
Probability of precipitation in percent 100 tonight. 80 Saturday and
 80 Sunday.

Queen Charlottes.
Snowfall warning in effect.
Tonight..flurries with local accumulations to 5 centimetres.
 Southwest wind 40 to 60 km/h. Low zero.
Saturday..cloudy with flurries or showers and flurries mixed.
 Southwest wind 40 to 60 km/h. High 3.
Sunday..cloudy with flurries. Windy. Low minus 1. High 4.
Probability of precipitation in percent 90 tonight. 90 Saturday and
 80 Sunday.

End/db


348 
fpcn50 cwvr 012130
mountain weather forecast for coastal British Columbia issued by the
Pacific weather centre of Environment Canada in Vancouver at 2:00 PM
PST Friday 1 December 1995 valid until midnight Saturday.  The next
scheduled forecast will be issued at 6:00 AM PST Saturday.

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.
The upper cold low continues over the northern gulf of Alaska
maintaining a moist unstable flow pattern over the coast. The sat
pic shows extensive open celled convective cloud in the circulation
around the low. At the surface the low is centered at 57n/134w with
a broad trough extending southeast along the coast. The low will
move to near telegraph by sat morning with a trof extending westward
out over the gulf. A new low centre will form in this trof just
north of the Charlottes then move inland to just east of terrace sat
afternoon. The arctic front lies quasi-stationary from the southern
pandhandle - vicinity terrace - southeastward. It will begin to push
southward along the coast once the second low centre moves inland
late sat. Convective precipitation will continue through sat over
the coast with this pattern with periods of snow just north of the
arctic front. The models dont indicate heavy precip amounts with
this convection but local amounts along west facing slopes could
reach 15 to 20 cm.

Freezing level..in the south 800 to 1000 metres. Near 400 metres
outer central north coasts. Surface inland north and central coast.

Extended outlook.
The upper low moves inland to northern alberta by mon afternoon and
northern man by tues as a big upper ridge develops over Alaska. This
puts the coast in a somewhat drier and cooler northwest flow for
mon. It also paves the way for a big arctic high to develop over
Alaska and the yukon and then to push southward into the BC interior
by tue afternoon. This could lead to arctic outflow conditions.

South coast mountains.
Warnings.. None.
Light locally moderate convective tonight and Saturday.
Mountaintop winds..southwest 30 to 45 km/h increasing to southwest
45 to 65 km/h overnight and sat.

Location        precip to 4am   precip 4am-4pm   min  max
                Saturday          Saturday
squamish        1-5             1-5               2     5
duffey lk       1-5             1-5              -2    -1
allison pass    1-5             1-5              -2    -1
Fraser canyon   0-1             0-1               1     4

central coast mountains.
Warnings.. None.
Light locally moderate convective tonight and Saturday.
Mountaintop winds..southwest 50 to 65 km/h.

Location        precip to 4am   precip 4am-4pm   min  max
                Saturday          Saturday
heckman pass    1-5             1-5              -7    -4

north coast mountains.
Warnings..snowfall warning in effect.
Light locally moderate convective tonight and Saturday.
Mountaintop winds..southwest 35 to 45 km/h becoming westerly 40 to
55 km/h sat.

Location        precip to 4am   precip 4am-4pm   min  max
                Saturday          Saturday
terrace tyee    1-5             1-5              -1     1
bear pass       1-5             1-5             -10    -8
ningunsaw pass  1-5             0-1             -18   -12
telegraph crk   1-5             0-1             -18   -14

confidence..fair on the overall pattern which is just continued
instability for now. Snowfall amounts are iffy and could vary
considerably. One item to watch is a frontal system moving in over
the wash coast on Sunday. This could catch the south coast/cascades
with heavier snowfall Sunday afternoon.

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