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Article #827Coastal BC -
From: weather
Date: Sun, 04 Feb 1996 00:00
Date: Sun, 04 Feb 1996 00:00
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10728 bytes
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Fpcn11 cwvr 041738
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 10 AM PST Sunday 4 February 1996 for
today and Monday.
The next scheduled forecast will be issued at 4 PM.
Synopsis for coastal BC.
A fast moving Pacific frontal system crossed the region overnight.
This gave a mixed bag of weather to the area..with rain in the outer
coast and a mixture of rain..snow..freezing rain..and ice pellets
elsewhere. Patchy rain or drizzle with spotty freezing drizzle or
snow inland is expected across the coast today as mild air continues
to spread over the area.
The next in the series of frontal bands will move onshore tonight
bringing steady rain to most regions..with wet snow or freezing rain
a possibility through inland valleys as the cold air remains trapped
a little longer. Little change is seen in the mild wet pattern
through the week as band after band of rain dampens the coast.
Freezing level..south..near 1200 metres rising to 2000 metres this
afternoon. Below freezing layers at the surface persisting through
some inlets and valleys. North..near 900 metres rising to 1700
metres by Monday morning. Below freezing layers at the surface
persisting through inlets and valleys.
Greater Vancouver.
Today..mainly cloudy with occasional rain or drizzle. Local fog
patches. High 6.
Tonight..cloudy and mild. Periods of rain. Southeast wind to 40 km/h
developing. Low 4.
Monday..rain easing to a few showers. Windy and mild. High 10.
Probability of precipitation in percent 80 today. 100 tonight and
80 Monday.
Greater Victoria.
Today..mainly cloudy with occasional rain or drizzle. Fog patches.
Locally windy this afternoon. High 7.
Tonight..cloudy and mild. Periods of rain. Southeast wind to 40 km/h.
Low 4.
Monday..cloudy with rain easing to a few showers. Windy and mild.
High 11.
Probability of precipitation in percent 80 today. 100 tonight and
80 Monday.
Lower Fraser Valley.
Freezing rain warning in effect.
Snowfall warning in effect for eastern sections.
Today..cloudy. Occasional rain or drizzle west with snow or freezing
rain east. Local snow accumulations through the eastern Valley to
8 cm. Local easterly wind to 50 km/h. High 1 east to 5 west.
Tonight..periods of rain or wet snow. Possibly mixed with ice
pellets. Southeast wind to 50 km/h. Temperature steady near 2.
Monday..periods of rain. Windy. High 8 except 4 eastern sections.
Probability of precipitation in percent 90 today. 100 tonight and
100 Monday.
Whistler.
Freezing rain warning in effect.
Today..cloudy. Occasional snow or freezing rain today. Local snowfall
accumulations to 8 cm. High minus 2.
Tonight..periods of snow or freezing rain. Windy. Temperature steady
near minus 2.
Monday..periods of wet snow. Risk of freezing rain. High near plus 1.
Probability of precipitation in percent 80 today. 100 tonight and
80 Monday.
Howe Sound.
Freezing rain warning in effect.
Snowfall warning in effect.
Today..cloudy with periods of rain or drizzle. Freezing rain or snow
inland this morning. Local snow accumulations to 5 cm. Outflow wind
to 40 km/h. High 4 to 7.
Tonight..periods of rain. Outflow wind to 30 km/h. Low 1.
Monday..periods of rain. Windy. High 8.
Probability of precipitation in percent 80 today. 100 tonight and
80 Monday.
Sunshine Coast
east Vancouver Island.
Today..cloudy. Occasional rain or drizzle. Southeast wind to 50 km/h
in exposed areas. High 4 to 8.
Tonight..periods of rain. Southeast wind to 50 km/h. Low 3.
Monday..periods of rain easing to a few showers. Windy. High 9.
Probability of precipitation in percent 80 today. 100 tonight and
90 Monday.
West Vancouver Island.
Today..mainly cloudy with periods of rain or drizzle. Southeast wind
to 60 km/h. High near 10 except 5 inland.
Tonight..rain..heavy at times. Southeast wind to 60 km/h. Low 5.
Monday..periods of rain easing to a few showers. Windy. High 10.
Probability of precipitation in percent 100 today. 100 tonight and
90 Monday.
North Vancouver Island.
Wind warning issued.
Today..southeast wind to 60 km/h increasing to southeast 60 to
90 km/h late this afternoon. Mainly cloudy with periods of rain or
drizzle. High near 10.
Tonight..periods of rain. Southeast wind to 60 to 90 km/h. Low 6.
Monday..periods of rain. Windy. High 10.
Probability of precipitation in percent 90 today. 100 tonight and
90 Monday.
Central coast.
Wind warning issued.
Today..southeast wind 60 to 90 km/h developing this afternoon. Mainly
cloudy. Occasional rain or drizzle. Chance of snow inland today with
risk of freezing rain this morning. High 8 coast to plus 1 inland.
Tonight..cloudy with periods of rain. Southeasterly wind 60 to
90 km/h along the coast. Low zero to 5.
Monday..periods of rain. Mixed rain and snow inland. Windy. High 3
inland to 8 coast.
Probability of precipitation in percent 80 today. 100 tonight and
90 Monday.
North coast - coastal sections.
Wind warning issued.
Today..cloudy with periods of rain or drizzle. Southeast wind 40 to
60 km/h. High 5 to 9.
Tonight..cloudy with periods of rain. Southeast wind increasing to 60
to 90 km/h. Low 3.
Monday..periods of rain. Windy. High 8.
Probability of precipitation in percent 90 today. 100 tonight and
80 Monday.
North coast - inland sections.
Freezing rain warning issued.
Today..cloudy with flurries. Locally windy. High minus 2.
Tonight..periods of snow. Freezing rain likely. Locally windy.
Temperature steady near minus 1.
Monday..periods of wet snow. Risk of freezing rain. Locally windy.
High plus 1.
Probability of precipitation in percent 90 today. 90 tonight and
80 Monday.
Queen Charlottes.
Wind warning issued.
Today..periods of rain. Southerly wind 40 to 60 km/h. High 10.
Tonight..periods of rain. Southeast wind increasing to 60 to 90 km/h
early this evening. Low 4.
Monday..periods of rain. Windy. High 10.
Probability of precipitation in percent 90 today. 100 tonight and
90 Monday.
End/db
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
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 100886,f1adf5d69219d837 X-Google-Attributes: gid100886,public From: weather@wimsey.com Subject: Coastal BC - Date: 1996/02/04 Message-ID: <P9614.122025.22672@vanbc.wimsey.com> X-Deja-AN: 138026150 sender: news@wimsey.com references: <P9614.62021.4323@vanbc.wimsey.com> supersedes: <P9614.62021.4323@vanbc.wimsey.com> organization: Wimsey Information Services newsgroups: bc.weather