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542 
Fpcn11 cwvr 031737
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 10 AM PST Friday 3 november 1995 for
today and Saturday.
The next scheduled forecast will be issued at 4 PM.

Synopsis for coastal BC.
  Clear skies and light winds resulted in another unseasonably cold
morning over the south.  In fact this marked the third consecutive
morning that a new record low was recorded from at least one
reporting station.  This morning abbotsford had the honors with a low
of minus 4 to 4 AM.  The north was mild with temperatures of plus 10
at sandspit.  Rain was reported along the coast with flurries inland.
  An intense low and frontal system will affect the north later today
spreading very strong winds to the coast and locally heavy snows to
inland areas this evening.  The remnants of the front will slide down
the coast Saturday spreading a few hours of rain to the remainder of
the region.  Unstable air in the wake of the front will result in
lingering showers with flurries over higher ground and locally windy
conditions.
  The public is reminded that wind warnings remain in effect for the
queen charlotte islands and coastal sections of the north and central
coast.  A heavy snowfall warning is continued for inland sections of
the north coast.

Freezing level..in the south near 2300 metres over southwestern
Vancouver Island to 1800 metres over the southern mainland coast and
700 metres inland.  In the north near 1100 metres over the coast and
surface inland.  Becoming by Saturday morning 900 metres north to
1500 metres south.

Greater Vancouver.
Today..increasing high cloudiness. High 9.
Tonight..mainly cloudy. Low 3.
Saturday..cloudy. Rain beginning late morning. High 8.
Probability of precipitation in percent zero today. 10 tonight and
 90 Saturday.

Greater Victoria.
Today..increasing high cloudiness. High 10.
Tonight..mainly cloudy. Low 3.
Saturday..cloudy. Rain beginning late morning. High 9.
Probability of precipitation in percent zero today. 10 tonight and
 90 Saturday.

Lower Fraser Valley.
Today..increasing high cloudiness. High 10.
Tonight..mainly cloudy. Low 1.
Saturday..cloudy. Rain beginning late morning. High 7.
Probability of precipitation in percent zero today. 10 tonight and
 100 Saturday.

Whistler.
Today..increasing high cloudiness. High 4.
Tonight..mainly cloudy. Low minus 1.
Saturday..periods of snow or mixed rain and snow. Snowfall
 accumulations to 5 centimetres. High plus 1.
Probability of precipitation in percent 10 today. 10 tonight and
 100 Saturday.

Howe Sound.
Today..increasing high cloudiness. High 10.
Tonight..mainly cloudy. Low 1.
Saturday..periods of rain. Locally windy. High 7.
Probability of precipitation in percent 10 today. 20 tonight and
 100 Saturday.

Sunshine Coast
east Vancouver Island.
Today..increasing high cloudiness. High 8 to 11.
Tonight..cloudy. Chance of rain overnight. Low 4.
Saturday..rain tapering to a few showers in the afternoon. Locally
 windy. High 9.
Probability of precipitation in percent 10 today. 40 tonight and
 100 Saturday.

West Vancouver Island.
Today..fog in the alberni Valley early this afternoon. Otherwise
 increasing high cloudiness. High 7 to 11.
Tonight..cloudy. Chance of rain overnight. Low 5.
Saturday..rain tapering to showers near noon. Locally windy. High 9.
Probability of precipitation in percent zero today. 40 tonight and
 100 Saturday.

North Vancouver Island.
Today..becoming cloudy. High 10.
Tonight..cloudy. Rain and southeast wind 40 to 60 km/h overnight.
 Low 7.
Saturday..rain tapering to a few showers in the morning. Windy.
 High 9.
Probability of precipitation in percent 20 today. 90 tonight and
 100 Saturday.

Central coast - coastal sections.
Wind warning issued for tonight.
Today..cloudy with the chance of rain. High 10.
Tonight..periods of rain. Wind increasing to southeast 60 to 90 km/h
 over the exposed coast. Low 7.
Saturday..showers and windy. High 9.
Probability of precipitation in percent 60 today. 100 tonight and
 100 Saturday.

Central coast - inland sections.
Today..mainly cloudy. Chance of rain except snow at higher levels.
 High 4.
Tonight..rain except snow at higher levels with accumulations to 10
 centimetres. Low zero.
Saturday..flurries changing to showers in the morning. High 4.
Probability of precipitation in percent 60 today. 100 tonight and
 100 Saturday.

North coast - coastal sections.
Wind warning in effect for tonight and Saturday.
Today..wind increasing to southeast 50 km/h over the exposed coast
 this afternoon. Periods of rain. High 10.
Tonight..wind southeasterly 60 to 80 km/h over the exposed coast.
 Rain tapering to showers. Low 7.
Saturday..wind southwesterly 60 to 80 km/h. Showers. High 9.
Probability of precipitation in percent 80 today. 100 tonight and
 100 Saturday.

North coast - inland sections.
Snowfall warning in effect for tonight.
Today..periods of rain or mixed rain and snow except periods of snow
 in the stewart and nass areas. High zero to 3.
Tonight..mixed wet snow and rain except snow over northern sections.
 Snowfall accumulations of 20 to 30 cm over the stewart nass and
 meziadin areas. Lighter accumulations elsewhere. Locally windy.
 Low zero.
Saturday..showers with flurries over the north in the morning. Windy.
 High 7.
Probability of precipitation in percent 80 today. 100 tonight and
 100 Saturday.

Queen Charlottes.
Wind warning in effect for tonight and Saturday.
Today..wind increasing to southeast 60 km/h over the exposed coast
 this afternoon. Cloudy. Rain the north. High 11.
Tonight..wind southeast 60 to 100 km/h shifting to southwest 60 to
 100 overnight. Rain tapering to showers. Low 6.
Saturday..wind westerly 60 to 90 km/h. Sunny periods and a few
 showers. High 9.
Probability of precipitation in percent 80 today. 100 tonight and
 100 Saturday.

End/db


904 
fpcn50 cwvr 032145
mountain weather forecast for coastal British Columbia issued by the
Pacific weather centre of Environment Canada in Vancouver at 2:00 PM
PST Friday 3 november 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 flow continues to evolve into a more zonal pattern as
successive short wave troughs move through flattening what remains
of the upper ridge over BC.  It still exists as a flat nose
northeast to southwest across van. I..  Futher upstream a deep upper
low is forming just west of 140 w.  This will tend to pump the ridge
up a little in the short term especially over the south coast and
delay the approach of any incoming systems for awhile.  However as
the upper low kicks eastward towards the coast tonight this ridging
will disappear.
  The surface pattern mirrors these upper features.  A surface high
lies northeast-southwest across southern van. I..  A deep 983 mb low
is centered near 57 n 142 w.  Its frontal wave is at 44 n 135 w with
a warm front arcing southeastward to prince rupert - southward and a
cold front southwestward.  The cloud shield with this system extends
across the panhandle and across prince rupert and the qn Charlottes.
Sat pics should considerable cloud top cooling with this system
indicating good development and rapid deepening.
  By sat morning the low will have deepened to 974 mb and moved to
60 nm west of sitka.  The wave will pinch off as cold air surges
into the back side.  By sat morning the cold front will lie
north-northeast to south-southwest across northern van. I. And be
moving southeastward at 25 knots to be out of the area by late
afternoon.  In behind a very moist and unstable airmass will
continue to give showers or flurries to the entire coast.  Thickness
values will decrease sharply so that much of the precipitation will
fall as snow.

Freezing level..surface ningunsaw bear pass area. Near 1000 metres
terrace area to 1200 metres central coast to 1800 metres mainland
south coast and 1000 metres inland south coast. Levels lowering to
800 metres north coast and 1100 metres south coast on sat.

Extended outlook.
A northwesterly flow of cool and unstable air will continue through
Monday with thicknesses remaining very low.  On Tuesday a frontal
system will move onto the south coast overrunning the cold air and
creating good potential for heavy snowfalls.

South coast mountains.
Warnings.. None.
Nil thru late sat morning then light with some brief periods of
moderate thru sat afternoon.  Light flurries sat evening.
Mountaintop winds..northeast 10 to 15 tonight becoming southwest 25
to 45 km/h sat morning and southwest 40 to 70 km/h sat afternoon.

Location        precip to 4am   precip 4am-4pm   min  max
                Saturday          Saturday
squamish        nil             6-15              1     3
duffey lk       nil             6-15             -4    -2
allison pass    nil             1-5              -8    -2
Fraser canyon   nil             1-5              -4     4



central coast mountains.
Warnings.. Wind warning for the coast.
Light this evening with periods of moderate after midnight.
Light occasionally moderate flurries sat.
Mountaintop winds..increasing to southwest 40 to 70 km/h tonight
then westerly 30 to 60 km/h sat.

Location        precip to 4am   precip 4am-4pm   min  max
                Saturday          Saturday
heckman pass    1-5             6-15             -4    0


north coast mountains.
Warnings.. Snowfall warning inland sections. Wind warnings coast.
Light becoming light to moderate overnight. Light with local
moderate flurries sat.
Mountaintop winds..southwest 70 to 100 km/h.

Location        precip to 4am   precip 4am-4pm   min  max
                Saturday          Saturday
terrace tyee    6-15            6-15              2     4
bear pass       15-30           6-15             -3    -1
ningunsaw pass  15-30           6-15             -4    -2
telegraph crk   1-5             1-5              -4    -1


confidence..fair. Good dynamics for system devlopment evident.
Details of inflow/outflow on the north coast especially terrace is a
bit uncertain.  Also the freezing level is borderline for snow/rain
so accumulations are uncertain. Another uncertainty is the amount of
precipitation in unstable air behind front.

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