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804 
Fpcn11 cwvr 212330
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 4 PM PST Tuesday 21 november 1995 for
tonight Wednesday and Thursday.
The next scheduled forecast will be issued at 7 PM.

Synopsis for coastal BC.
  A Pacific frontal system will clip through the district overnight.
A weak ridge of high pressure will build over the coast tomorrow
morning giving a few sunny breaks.  Wednesday afternoon will bring
cloud and showers to the coast as the next in a series of systems
pushes onshore.  Wet and windy weather will continue Thursday.
Temperatures will remain mild through the period.

Freezing level..south 2500 metres.  1300 metres north.
Levels stationary Wednesday.  Patchy below freezing layers near the
surface inland and north.

Greater Vancouver.
Tonight..cloudy with a few showers. Low 3 to 5.
Wednesday..cloudy with sunny periods. Chance of showers. High 10.
Thursday..periods of rain. Low 6. High 12.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

Greater Victoria.
Tonight..cloudy with a few showers. Low 4 to 6.
Wednesday..cloudy with sunny periods. Chance of showers. High 10.
Thursday..periods of rain. Low 5. High 12.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

Lower Fraser Valley.
Tonight..cloudy with a few showers. Low 2 to 5.
Wednesday..patchy morning fog then cloudy with sunny periods. Chance
 of afternoon showers. High 10.
Thursday..periods of rain. Low near 6. High near 12.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

Whistler.
Tonight..cloudy with a few showers. Low plus 1 to 3.
Wednesday..cloudy with sunny periods. Chance of showers. High 6.
Thursday..periods of rain. Low near zero. High near 10.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

Howe Sound.
Tonight..cloudy with a few showers. Low 4 to 7.
Wednesday..cloudy with sunny periods. Chance of showers. High 8
 to 11.
Thursday..periods of rain. Low near 6. High near 12.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

Sunshine Coast.
Tonight..cloudy with a few showers. Low 4 to 7.
Wednesday..cloudy with sunny periods. Chance of showers. High 8.
Thursday..periods of rain. Low near 6. High near 12.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

East Vancouver Island.
Tonight..cloudy with a few showers. Low 4 to 7.
Wednesday..cloudy with sunny periods. Chance of showers. High 8.
Thursday..periods of rain. Low near 6. High near 12.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

West Vancouver Island.
Tonight..cloudy with a chance of showers. Low 3 to 6.
Wednesday..cloudy with sunny periods. Slight chance of a shower.
 High 11.
Thursday..rain. Windy. Low near 5. High near 11.
Probability of precipitation in percent 60 tonight. 30 Wednesday and
 100 Thursday.

North Vancouver Island.
Tonight..cloudy with a few showers. Windy. Low 4.
Wednesday..becoming mainly cloudy. Chance of showers. Windy. High 9.
Thursday..rain. Windy. Low near 5. High near 11.
Probability of precipitation in percent 80 tonight. 60 Wednesday and
 100 Thursday.

Central coast.
Tonight..cloudy with a few showers. Windy. Low near zero inland to 4
 near the coast.
Wednesday..becoming mainly cloudy. Chance of showers in the
 afternoon. Windy. High 9 coast to 6 inland.
Thursday..periods of rain. Windy. Low 3 to 6. High 7 to 11.
Probability of precipitation in percent 80 tonight. 60 Wednesday and
 90 Thursday.

North coast - coastal sections.
Tonight..cloudy with a few showers. Windy. Low 3.
Wednesday..mainly cloudy with showers. Windy. High 9.
Thursday..periods of rain. Windy. Low 3 to 6. High 7 to 11.
Probability of precipitation in percent 80 tonight. 80 Wednesday and
 90 Thursday.

North coast - inland sections.
Tonight..cloudy with a few flurries. Low zero to minus 2.
Wednesday..mainly cloudy. Chance of showers or flurries. High plus 1
 to 3.
Thursday..periods of rain mixed with snow. Windy. Low near zero.
 High 3 to 7.
Probability of precipitation in percent 80 tonight. 40 Wednesday and
 90 Thursday.

Queen Charlottes.
Tonight..cloudy with a few showers. Wind southeast 50 gusting to
 80 km/h diminishing to southwest 30 km/h this evening. Low 4.
Wednesday..mainly sunny at first. Becoming cloudy in the afternoon
 with rain developing. Windy. High 9.
Thursday..rain. Windy. Low near 5. High near 10.
Probability of precipitation in percent 80 tonight. 100 Wednesday and
 90 Thursday.

End/cjd


169 
fpcn50 cwvr 212159
mountain weather forecast for coastal British Columbia issued by the
Pacific weather centre of Environment Canada in Vancouver at 2:00 PM
PST Tuesday 21 november 1995 valid until midnight Wednesday.  The
next scheduled forecast will be issued at 6:00 AM PST Wednesday.


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 weak elongated upper trough currrently northwest-southeast through
southern Oregon is moving rapidly northeastwards and will bring
light precipitation to the coastal mountains this afternoon and
inland this evening. Following the passage of this upper system,
thicknesses will subside somewhat forcing the overrunning of air
from a mild Pacific frontal system offshore.
Overrunning precipitation will spread first to the
north coast this evening and then to the south coast overnight.
Freezing levels...currently very high...will subside slightly after
the passage of the upper trough but will remain high during this
period as warm air continues to advect northeastwards over the BC
coast. The front...currently north northwest - south southeast
through 138 west 50 north will shift to a position along 134 west
50 north this evening and accellerate to 124 west 50 north
early Wednesday morning. Organized precipitation will cease
following the passage of the front however local orographic
precipitation will persist as the surface flow becomes westerly.
The arctic front stretches northwest to northeast over northern BC
and it will edge southwestwards during the period to lie along the
BC Alaska panhandle border and southeastwards by this evening. It
will remain stationary there for at least the next 24 hours.

Freezing level..
South and central coasts..3000 metres outer
coast to 2500 metres inland subsiding to 2500 meters outer coast and
2300 metres inland this evening. Below freezing layers near the
surface inland.
North coast..2000 metres subsiding to 1700 metres overnight. Below
freezing layers near the surface inland.

Extended outlook.
The upper ridge will rebound along the coast on Wednesday morning in
the wake of the frontal passage. Freezing levels will lower that day
as cooler air moves in from the west. A weak shortwave will
bring precipitation to the north and central coasts
Wednesday evening. Persistant southwesterly flow will bring
another front onshore Thursday. This will be accompanied by rain and
high freezing levels. On Friday a deep low pressure system offshore
will move inland on the north coast and fill. This will bring cooler
unstable air to the area which will slide southwards to reach the
south coast late in the day.

South coast mountains.
Warnings.. None.
Cloudy with light showers tapering this evening. Showers
redeveloping overnight ending Wednesday morning.

Mountaintop winds..south to southwest 45 to 55 km/h shifting to west
60 km/h Wednesday morning.

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

squamish        1-5             6-15             3     9
duffey lk       1-5             6-15             0     5
allison pass    6-15            6-15             0     3
Fraser canyon   1-5             6-15             1     7

central coast mountains.
Warnings.. None.
Cloudy. Light showers or flurries northern sections with
showers over southern sections. Showers and flurries becoming steady
this evening tapering to orographic showers and flurries
Wednesday morning.
Mountaintop winds..south 50 to 70 km/h shifting to southwest 70 km/h
Wednesday morning.

Location        precip to 4 AM  precip 4am-4pm  min   max
                Wednesday         Wednesday
heckman pass    6-15                6-15         -3     -1

north coast mountains.
Warnings.. None.
Cloudy. Light rain this afternoon. Snow above 1200 metres.
Precipitation tapering to showers or flurries late this
evening but but redeveloping overnight and tapering to showers or
flurries Wednesday morning.
Mountaintop winds..south 50 to 70 km/h shifting to southwest 50 to
70 km/h Wednesday morning.

Location        precip to 4 AM  precip 4am-4pm  min   max
                Wednesday        Wednesday
terrace tyee    6-15            6-15             0     4
bear pass       6-15            6-15            -4     0
ningunsaw pass  6-15            6-15            -3     1
telegraph crk   6-15            6-15            -8    -2

confidence..good. The bulk of the precipitation will be in the
north along the coast.

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/cjd