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Article #833Coastal BC -
From: weather
Date: Wed, 07 Feb 1996 00:00
Date: Wed, 07 Feb 1996 00:00
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Fpcn11 cwvr 071235
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 5 AM PST Wednesday 7 February 1996
for today and Thursday.
The next scheduled forecast will be issued at 10 AM.
Synopsis for coastal BC.
A mild southwesterly flow will continue across coastal b.c. For the
next couple of days. Spotty precipitation will become more
widespread later today as an upper disturbance crosses the regions.
Another more vigorous system will bring steadier rain and windy
conditions across the south overnight before tapering off late
Thursday. Meanwhile scattered showers are expected in the north on
Thursday as a moist and unstable airmass affects those regions.
Temperatures will remain above normal over the next two days across
the entire coast.
Freezing level..south..near 1600 metres rising to 2300 by evening.
North..near 1000 metres rising to 1400 by afternoon.
Greater Vancouver.
Today..mainly cloudy. Morning fog patches. Periods of rain developing
near noon. High 10.
Tonight..periods of rain. Windy. Low 7.
Thursday..rain tapering to a few showers. Windy. High 10.
Probability of precipitation in percent 90 today. 100 tonight and
100 Thursday.
Greater Victoria.
Today..mainly cloudy. Morning fog patches. Periods of rain developing
near noon. Locally windy. High 11.
Tonight..periods of rain. Windy. Low 5.
Thursday..rain tapering to a few showers. Windy. High 11.
Probability of precipitation in percent 90 today. 100 tonight and
100 Thursday.
Lower Fraser Valley.
Today..mainly cloudy. Morning fog patches. Periods of rain beginning
this afternoon. High near 11.
Tonight..periods of rain. Low near 6.
Thursday..rain tapering to a few showers. High near 11.
Probability of precipitation in percent 80 today. 100 tonight and
100 Thursday.
Whistler.
Today..mainly cloudy. Morning fog patches. Periods of rain beginning
this afternoon. High 4.
Tonight..periods of rain. Low near 2.
Thursday..rain tapering to a few showers. High near 5.
Probability of precipitation in percent 80 today. 100 tonight and
100 Thursday.
Howe Sound.
Today..mainly cloudy. Periods of rain developing near noon. High 9.
Tonight..periods of rain. Low near 4.
Thursday..rain tapering to a few showers. High near 9.
Probability of precipitation in percent 90 today. 100 tonight and
100 Thursday.
Sunshine Coast
east Vancouver Island.
Today..mainly cloudy. Morning fog patches. Periods of rain developing
this morning. Becoming windy. High 10.
Tonight..periods of rain. Windy. Low near 6.
Thursday..rain tapering to a few showers. Windy. High near 11.
Probability of precipitation in percent 90 today. 100 tonight and
100 Thursday.
West Vancouver Island.
Today..cloudy. Periods of rain developing this morning. Becoming
windy. High 10.
Tonight..periods of rain. Windy. Low near 7.
Thursday..rain tapering to a few showers. High near 10.
Probability of precipitation in percent 90 today. 100 tonight and
100 Thursday.
North Vancouver Island.
Today..mainly cloudy. Chance of morning showers. Periods of rain
developing near noon. Southeast wind rising to 40 to 60 km/h exposed
areas. High 8.
Tonight..periods of rain. Windy. Low near 5.
Thursday..rain tapering to a few showers. Windy. High near 8.
Probability of precipitation in percent 90 today. 100 tonight and
100 Thursday.
Central coast - coastal sections.
Today..mainly cloudy. Chance of morning showers. Periods of rain
beginning this afternoon. Becoming windy. High 8.
Tonight..periods of rain. Windy. Low near 4.
Thursday..mainly cloudy with showers. Windy. High near 7.
Probability of precipitation in percent 90 today. 90 tonight and
90 Thursday.
Central coast - inland sections.
Today..mainly cloudy. Chance of showers. High 5.
Tonight..mainly cloudy with showers. Low near 2.
Thursday..mainly cloudy with showers. Windy. High near 4.
Probability of precipitation in percent 60 today. 90 tonight and
90 Thursday.
North coast - coastal sections.
Today..mainly cloudy. A few showers. Windy. High 8.
Tonight..mainly cloudy with showers. Windy. Low near 3.
Thursday..mainly cloudy with a few morning showers. High near 7.
Probability of precipitation in percent 90 today. 90 tonight and
80 Thursday.
North coast - inland sections.
Today..mainly cloudy. A few showers. Wind easing this morning.
High 5.
Tonight..mainly cloudy. A few showers. Low near 2.
Thursday..mainly cloudy. Chance of morning showers. High near 4.
Probability of precipitation in percent 80 today. 80 tonight and
60 Thursday.
Queen Charlottes.
Today..mainly cloudy. Showers developing near noon. Becoming windy.
High 9.
Tonight..mainly cloudy. A few showers. Windy. Low near 4.
Thursday..mainly cloudy. Chance of a morning shower. High near 7.
Probability of precipitation in percent 90 today. 80 tonight and
40 Thursday.
End/ts
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: 100886,56cd0e9066341d5a X-Google-Attributes: gid100886,public From: weather@wimsey.com Subject: Coastal BC - Date: 1996/02/07 Message-ID: <P9617.112034.11388@vanbc.wimsey.com> X-Deja-AN: 138370252 sender: news@wimsey.com references: <P9617.52012.8867@vanbc.wimsey.com> supersedes: <P9617.52012.8867@vanbc.wimsey.com> organization: Wimsey Information Services newsgroups: bc.weather