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319 
Fpcn11 cwvr 191740
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 10 AM PST Sunday 19 november 1995 for
today and Monday.
The next scheduled forecast will be issued at 4 PM.

Synopsis for coastal BC.
  A ridge of high pressure building along the coast has broken the
long stretch of wet weather for most of the British Columbia coast.
The ridge is forecast to be a factor in the weather pattern for a
number of days.  The position of the ridge will allow a Pacific
system to brush the north coast today.  As the ridge moves east
Monday the system will become stronger in the north.
  Over the north coast the effect of the ridge will be to weaken
incoming Pacific systems pushing up the west side of the ridge.
Clouds across the north will continue giving scattered showers -
mixed locally with snow inland.  A more organized system is expected
to move onto the outer coast tonight eventually moving inland Monday
bringing steadier precipitation.  Winds will increase along the coast
today.
  In the south bands of high cloud from the offshore system will move
through the ridge over the next few days.  Also areas of low cloud
and fog will form in the overnight hours and dissipate in the
mornings.

Freezing level..in the south 1700 metres rising to 2000 metres this
evening and 2300 metres Monday afternoon.  In the north 900 metres
rising to 1300 this evening and 1600 metres Monday afternoon.
All inland regions will see near surface freezing levels in the
overnight hours.

Greater Vancouver.
Today..sunny with cloudy periods. High 11.
Tonight..cloudy periods. Patchy fog overnight. Low near 2.
Monday..cloudy with sunny periods. Patchy morning fog. High 10.
Probability of precipitation in percent zero today. Zero tonight and
 zero Monday.

Greater Victoria.
Today..sunny with cloudy periods. High 11.
Tonight..cloudy periods. Patchy fog overnight. Low near 2.
Monday..cloudy with sunny periods. Patchy morning fog. High 10.
Probability of precipitation in percent zero today. Zero tonight and
 zero Monday.

Lower Fraser Valley.
Today..sunny with cloudy periods. High 11.
Tonight..cloudy periods. Patchy fog overnight. Low 1 to 4.
Monday..cloudy with sunny periods. Patchy morning fog. High 10.
Probability of precipitation in percent zero today. Zero tonight and
 zero Monday.

Whistler.
Today..cloudy with sunny periods. High 7.
Tonight..mainly cloudy. Patchy fog overnight. Low minus 3 to zero.
Monday..cloudy with sunny periods. Patchy morning fog. High 7.
Probability of precipitation in percent zero today. Zero tonight and
 zero Monday.

Howe Sound
Sunshine Coast.
Today..sunny with cloudy periods. High near 10.
Tonight..mainly cloudy. Patchy fog overnight. Low zero to plus 3.
Monday..cloudy with sunny periods. Patchy morning fog. High near 9.
Probability of precipitation in percent zero today. Zero tonight and
 zero Monday.

East Vancouver Island.
Today..cloudy with afternoon sunny periods. High 11.
Tonight..cloudy periods. Fog and low cloud forming overnight. Low 1
 to 3.
Monday..cloudy with sunny periods. Patchy morning fog. High 10.
Probability of precipitation in percent zero today. Zero tonight and
 zero Monday.

West Vancouver Island.
Today..sunny with cloudy periods. High 9.
Tonight..becoming cloudy overnight. Low near 2.
Monday..cloudy with sunny periods. High 9.
Probability of precipitation in percent 10 today. 10 tonight and
 10 Monday.

North Vancouver Island.
Today..sunny with cloudy periods. High 9.
Tonight..becoming cloudy overnight. Low 2.
Monday..mainly cloudy. Windy. High 9.
Probability of precipitation in percent 10 today. 10 tonight and
 10 Monday.

Central coast - coastal sections.
Today..sunny with cloudy periods. High 9.
Tonight..becoming cloudy overnight. Low 5.
Monday..cloudy. Chance of a shower. Windy. High 9.
Probability of precipitation in percent 10 today. 10 tonight and
 40 Monday.

Central coast - inland sections.
Today..sunny with cloudy periods. High 7.
Tonight..cloudy periods. Low near zero.
Monday..mainly cloudy. Chance of a shower. High 6.
Probability of precipitation in percent zero today. 10 tonight and
 40 Monday.

North coast - coastal sections.
Today..mainly cloudy. A few showers - mainly until midday. Windy.
 High 9.
Tonight..mainly cloudy. Chance of showers. Windy. Low 4.
Monday..mainly cloudy. A few showers. Windy. High 9.
Probability of precipitation in percent 80 today. 60 tonight and
 80 Monday.

North coast - inland sections.
Today..mainly cloudy. A few showers - locally flurries until midday.
 High 5.
Tonight..mainly cloudy. Chance of a flurry mainly northern sections.
 Low 1.
Monday..mainly cloudy. Chance of a shower or flurry mainly northern
 sections. High 5.
Probability of precipitation in percent 80 today. 40 tonight and
 40 Monday.

Queen Charlottes.
Today..mainly cloudy. Chance of showers until midday. Windy. High 9.
Tonight..cloudy. Showers developing overnight. Windy. Low 6.
Monday..mainly cloudy with showers. Windy. High 10.
Probability of precipitation in percent 60 today. 80 tonight and
 90 Monday.

End/ts


659 
fpcn50 cwvr 192158
mountain weather forecast for coastal British Columbia issued by the
Pacific weather centre of Environment Canada in Vancouver at 2:00 PM
PST Sunday 19 november 1995 valid until midnight Monday.  The next
scheduled forecast will be issued at 6:00 AM PST Monday.

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 building ridge of high pressure is currently in a north-south line
through the northern tip of Vancouver Island.  The ridge line will
move inland to lie through Kelowna to fort liard early Monday then
it will become a broad ridge over the province as it flattens
somewhat.  The upstream Pacific disturbance on the west side of the
ridge is currently north-south along 140w with cloud and some
precipitation over northernmost areas associated with a wave
near 56n.  The front will be fairly stationary tonight with
the wave continuing to push northward. Hence the bulk of
precipitation will also move north out of the area.  Warm air
advection helps maintain the snow line within a few hundred metres
of the freezing levels except some inland areas north of 55n where
isothermal layers will keep the precip as snow to surface.  The front
is forecast to begin edging east overnight.  By 4am Monday the system
is forecast to lie north-south along about 137w.
Organized mid and high cloud will have spread across the Charlottes
and to the mainland north of about 53n. However steadier precip
should be confined to northwestern parts of the Charlottes and west.
Continued warm advection aloft will warm the lower levels in the far
north somewhat but precip will still generally fall as snow as
outflows draw cooler air into low levels.  About 300 metres below
freezing levels precip will be mixed or wet snow.  Through the day
Monday the front will move east to lie through the northwestern tip
of the Charlottes by 4pm.  Another wave will have moved up from the
south to lie about 300 km south-southwest of the Charlottes by
4pm. It will bringing steadier rain to the Charlottes Monday evening
but only spotty precipitation should prevail on the mainland.

Freezing level..
In the south 1900 metres this afternoon rising to 2100 tonight.
Overnight near/below freezing layers surface. Rising to 2300 Monday
afternoon. On the central coast 1700 metres this afternoon with below
freezing surface temps inland overnight. Levels rising to near 2000
Monday afternoon. In the north 1100 metres coast to 300 metres inland
rising to 1500 coast to 1200 inland Monday afternoon but still a near
freezing layer to near the surface inland.

Extended outlook.
The upper ridge will sharpen just east of the coast range Tuesday as
a deep upper low well offshore begins drifting east.  This will
continue to feed milder air to the north with Pacific systems
heading for the north coast bringing rain. Wednesday ridge will edge
far enough east under pressure from these stronger systems to spread
some rain most of the way down the coast.  This trend
continues Thursday with precipitatin likely over all regions.
Mild air will continue in the north through the period.


South coast mountains.
Warnings.. None.
Mainly clear with some high cloud Monday. Morning fog in valleys.
Mountaintop winds..southeast 15 to 25 km/h.

Location        precip to 4 AM  precip 4am-4pm  min   max
                Monday          Monday

squamish        nil             nil              2     8
duffey lk       nil             nil             -8    -2
allison pass    nil             nil             -7    -1
Fraser canyon   nil             nil             -1     6

central coast mountains.
Warnings.. None.
Mainly clear with patchy morning fog in valleys. Cloudy periods
Monday.
Mountaintop winds..south 20 to 40 km/h.

Location        precip to 4 AM  precip 4am-4pm  min   max
                Monday          Monday
heckman pass    nil             nil             -6     0

north coast mountains.
Warnings.. None.
Few light flurries tonight and Monday north sections. Flurries mixed
locally with showers at lower elevations.
Mountaintop winds..south-southwest 30 to 50 km/h.

Location        precip to 4 AM  precip 4am-4pm  min   max
                Monday          Monday
terrace tyee    0-1             0-1             -1     4
bear pass       1-5             1-5             -3     2
ningunsaw pass  1-5             1-5             -5    -3
telegraph crk   1-5             1-5             -8    -5

confidence..good. Brunt of precipitation with front will remain
to the west and north.

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 furthur information
or other products are required for local operations, please call
664-9033.

End/ts