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191 
Fpcn11 cwvr 152330
forecasts for coastal British Columbia issued by the Pacific weather
centre of Environment Canada at 4 PM PST Wednesday 15 november 1995
for tonight Thursday and Friday.
The next scheduled forecast will be issued at 7 PM.

Synopsis for coastal BC.
  A very mild southwesterly flow aloft continues over the coast
today.  A frontal system embedded in this flow brought rain to most
of the coast this morning.  The rain has tapered off to showers over
most areas as the system moves off into the interior.  The next
frontal system will arrive early Thursday bringing more rain and wind
to the north coast overnight and to the south coast Thursday morning.
Wind warnings continue for the exposed coast from northern Vancouver
Island northward.  Another frontal system will bring more rain and
wind to the coast Friday.
  Temperatures will continue mild with highs Thursday and Friday
three or four degrees above the seasonal norm.

Freezing level..in the south near 1900 metres rising to 2500 metres
Thursday.  In the north near 1400 metres.

Greater Vancouver.
Tonight..mainly cloudy. Chance of showers. Low 6.
Thursday..cloudy. Periods of rain easing to a few showers in the
 afternoon. Windy. High 14.
Friday..rain at times heavy. Windy. Low 8. High 15.
Probability of precipitation in percent 60 tonight. 100 Thursday and
 100 Friday.

Greater Victoria.
Tonight..mainly cloudy. Chance of showers. Low 7.
Thursday..cloudy. Periods of rain easing to a few showers in the
 afternoon. Windy. High 15.
Friday..rain. Windy. Low 7. High 15.
Probability of precipitation in percent 60 tonight. 100 Thursday and
 100 Friday.

Lower Fraser Valley.
Tonight..mainly cloudy. A few showers. Low 7.
Thursday..cloudy. Periods of rain easing to a few showers by late
 afternoon. Windy. High 14.
Friday..rain at times heavy. Windy. Low near 6. High near 14.
Probability of precipitation in percent 80 tonight. 100 Thursday and
 100 Friday.

Whistler.
Tonight..mainly cloudy. A few showers. Low 2.
Thursday..cloudy. Periods of rain easing to a few showers by late
 afternoon. High 5.
Friday..rain. Windy. Low 2. High 8.
Probability of precipitation in percent 80 tonight. 100 Thursday and
 100 Friday.

Howe Sound.
Tonight..mainly cloudy. A few showers. Low 3.
Thursday..cloudy. Rain at times heavy easing to a few showers in the
 afternoon. Windy. High 8.
Friday..rain at times heavy. Windy. Low 5. High 10.
Probability of precipitation in percent 80 tonight. 100 Thursday and
 100 Friday.

Sunshine Coast
east Vancouver Island.
Tonight..cloudy periods. Chance of showers. Low near 5.
Thursday..cloudy. Periods of rain easing to a few showers in the
 afternoon. High near 13.
Friday..rain. Windy. Low near 6. High near 13.
Probability of precipitation in percent 60 tonight. 90 Thursday and
 100 Friday.

West Vancouver Island.
Tonight..mainly cloudy. Rain at times heavy developing overnight.
 Windy. Low 7.
Thursday..rain at times heavy easing to showers in the morning.
 Windy. High 11.
Friday..rain. Windy. Low 7. High 12.
Probability of precipitation in percent 100 tonight. 100 Thursday and
 100 Friday.

North Vancouver Island.
Wind warning in effect for outer coast.
Tonight..southeast wind 65 to 100 km/h developing over exposed
 locations outer coast. Clear periods this evening then rain at times
 heavy developing overnight. Low near 7.
Thursday..rain tapering to showers in the morning. Windy.
 High near 11.
Friday..rain. Windy. Low near 7. High near 12.
Probability of precipitation in percent 100 tonight. 100 Thursday and
 100 Friday.

Central coast - coastal sections.
Wind warning in effect.
Tonight..southeast wind 65 to 95 km/h exposed locations overnight.
 Cloudy with rain at times heavy developing overnight. Low 7.
Thursday..rain tapering to showers in the morning. Windy. High 12.
Friday..rain. Windy. Low 7. High 12.
Probability of precipitation in percent 100 tonight. 100 Thursday and
 100 Friday.

Central coast - inland sections.
Tonight..cloudy periods. Chance of showers. Low 2.
Thursday..cloudy with showers. High 11.
Friday..periods of rain. Low 5. High 11.
Probability of precipitation in percent 60 tonight. 90 Thursday and
 100 Friday.

North coast - coastal sections.
Wind warning in effect.
Tonight..cloudy. Rain at times heavy developing overnight. Southeast
 wind 60 to 90 km/h exposed locations overnight. Low 7.
Thursday..rain tapering to showers in the morning. Southwest wind 40
 to 60 km/h. High 11.
Friday..rain at times heavy. Windy. Low 6. High 8.
Probability of precipitation in percent 100 tonight. 100 Thursday and
 100 Friday.

North coast - inland sections.
Tonight..cloudy. A few showers except mixed rain and snow showers
 over northern sections. Low 2.
Thursday..rain easing to showers. Rain locally mixed with snow over
 northern sections. High 5.
Friday..rain. Windy. Low 2. High 6.
Probability of precipitation in percent 100 tonight. 100 Thursday and
 100 Friday.

Queen Charlottes.
Wind warning in effect.
Tonight..rain at times heavy developing overnight. Southeast wind 60
 to 90 km/h exposed locations overnight. Low 6.
Thursday..rain tapering to showers in the morning. Southwest wind 40
 to 60 km/h. High 10.
Friday..rain. Windy. Low 6. High 10.
Probability of precipitation in percent 100 tonight. 100 Thursday and
 100 Friday.

End/db


342 
fpcn50 cwvr 152130
mountain weather forecast for coastal British Columbia issued by the
Pacific weather centre of Environment Canada in Vancouver at 2:00 PM
PST Wednesday 15 november 1995 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.
  The main upper ridge will continue over alberta with an upper
trough digging southward between 150 and 160 w.  The result is a
mild southwest flow aloft over the coast with a number of frontal
systems embedded for the next day or so.
  The first system crossed the coast this morning and will be out of
the area by this evening.  In behind the airmass is unstable and
very moist at least in the low and mid levels.  The sat pics show
considerable low and mid cloud behind the front as well as some good
breaks.  However for the mountain areas the onshore flow combined
with ample moisture will likely result in continued cloudiness and
convective precipitation overnight.  In addition a 968 mb low at 54
n 139 w is slowing spinning northward in the gulf while maintaining
a tight pressure gradient over the north and central coasts.
  As this low moves northward to the Alaska coast a new low will
spawn to the south near 54 n 137 w.  An associated frontal wave will
lie near sandspit thurs morning with a warm front southeast along
the coast mountains to abbotsford and a cold front southward. By
thurs afternoon the cold front will lie north-south through
abbotsford with a moist unstable flow over the coast behind it.

Freezing level..in the south 2000 metres mainland coast to 1800
metres inland rising to 2500 metres inland to 2200 metres inland
thur.  In the north 1400 metres lowering to 1200 metres thur
afternoon.

Extended outlook.
  Another well developed frontal system will sweep up across the
coast early on fri. On sat some ridging will develop along the coast
to bring some drying as well as some cooling aloft. This ridge will
continue over the coast through sun giving a dryer pattern with some
warming aloft beginning to spread in by afternoon.

South coast mountains.
Warnings.. None.
Occasional light tonight. Becoming moderate locally heavy thurs
morning into the early afternoon then light.
Mountaintop winds..southwest 30 to 50 km/h overnight then southwest
25 to 40 km/h.

Location        precip to 4am   precip 4am-4pm   min  max
                Thursday          Thursday
squamish        1-5             15-20             2     5
duffey lk       1-5             6-15              0     4
allison pass    1-5             1-5              -2     4
Fraser canyon   0-1             1-5               4     6

central coast mountains.
Warnings.. Wind warning for coast sections.
Occasional light tonight. Becoming moderate locally heavy early
thurs morning easing to light thur afternoon.
Mountaintop winds..increasing to south-southwest 70 to 100 km/h
tonight then easing to southwest 20 to 40 km/h thur afternoon.

Location        precip to 4am   precip 4am-4pm   min  max
                Thursday          Thursday
heckman pass    1-5             6-15              2     5


north coast mountains.
Warnings.. Wind warning for coast sections.
Occasional light tonight becoming light locally moderate early thur
morning.
Mountaintop winds..southerly 50 to 80 km/h.

Location        precip to 4am   precip 4am-4pm   min  max
                Thursday          Thursday
terrace tyee    1-5             6-15              2     6
bear pass       1-5             6-15             -3    -1
ningunsaw pass  1-5             6-15             -6    -2
telegraph crk   0-1             1-5             -10    -6

confidence..good confidence. The models seem to agree on timing of
the frontal systems.  Precip amounts will vary in the convective
cloud.

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