Friday, November 29, 2019

Winter Storm Dorothy Event Summary

Storm Summary Number 7 for Central Rockies to New England Snowstorm
NWS Weather Prediction Center College Park MD
400 PM EST Thu Nov 28 2019

...Heavy snow has come to an end with gusty winds still being felt
across the Northeast...

Wind Advisories are in effect across portions of the northern
Mid-Atlantic.

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov

At 300 PM EST...The low pressure system that brought heavy snow
from Colorado to Maine had exited the Northeast and is racing
further into the Atlantic Ocean....

...Selected preliminary Storm Total Snowfall in inches where the
event has ended.......

.....MAINE...

KINGSBURY 2 SSE           12.0                 
MILLINOCKET                  12.0                 
SPRINGFIELD 10 NE        12.0                 
ORIENT 1 ENE                   11.5                 
ABBOT 1 NNW                  11.0                 
BLANCHARD 4 SE           11.0                 
HOULTON                          10.0                 
LINCOLN                           10.0                 
MEDFORD                         10.0                 
SEBEC                                10.0                 
WELLINGTON                   9.0

......Light snow is coming to an end across eastern Maine and winds will
gradually subside by sunset as high pressure builds in from the
west.

This will be the last Storm Summary issued by the Weather
Prediction Center for this event. Please refer to your local
National Weather service office for additional information.

Snell

Weather summary
for New Brunswick
issued by Environment Canada
at 8:57 a.m. AST Friday 29 November 2019.

Discussion.

A low pressure system passed south of Nova Scotia on Thursday
bringing a mixture of precipitation types to the province through
the day. In particular, a period of moderate to heavy snow affected
southern and western portions of the province.

The following is a summary of weather event information received by
Environment Canada as of 9:00 a.m. AST, Friday, November 29th, 2019.

Summary of snowfall in cm:

Upper Kingsclear 21
Grafton 19.1
Hanwell 19
New Maryland 15
Hoyt 10.9

Please note that this summary may contain preliminary or unofficial
information and does not constitute a complete or final report.

End/ASPC

Weather summary
for Nova Scotia
issued by Environment Canada
at 8:57 a.m. AST Friday 29 November 2019.

Discussion.

An intense low pressure system passed south of Nova Scotia on
Thursday. This system brought a mix of precipitation types over the
province during the day. In particular, several hours of moderate to
heavy snow fell in the Halifax Metro area and over busy corridors of
the 100 series highways, especially during the afternoon and evening
commute. Several power outages also occurred as a result of the
heavy wet snowfall.

The following is a summary of weather event information received by
Environment Canada as of 9:00 a.m. AST, Friday, November 29th, 2019.

Summary of snowfall in cm:

Official Observations:

Halifax Stanfield Int'l 23.2

Volunteer Observations:

Lower Sackville 22
Hammonds Plains 16.8
Trafalgar 15.2
Rawdon Gold Mines 11.4
Dartmouth 5.6
Halifax 5.1
Bedford 4.1

Please note that this summary may contain preliminary or unofficial
information and does not constitute a complete or final report.

End/ASPC

Winter Storm Dorothy Update Nine









Winter Storm Dorothy Update Eight












3:25 PM AST Friday 29 November 2019
Special weather statement in effect for:

Moncton and Southeast New Brunswick
Large waves, pounding surf and elevated water levels are expected.

Wave heights: 3 to 7 metres.

Locations: North facing shorelines of The Gulf of St. Lawrence, Northumberland Strait and Cabot Strait.

Time span: Tonight, Saturday, then subsiding on Sunday.

Remarks: The highest waves will be at north facing shorelines of the Magdalen Islands, Prince Edward Island and Cape Breton where waves of 5 to 7 metres and water levels of near a metre above normal are expected.

Over north facing shorelines of New Brunswick and mainland Nova Scotia, wave heights are expected to be in the 3 to 4 metre range with a water level of 50 cm to 1 metre above normal.

Shore or beach erosion and damage to coastal infrastructure is possible in vulnerable areas.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NBstorm@canada.ca or tweet reports using #NBStorm.

10:35 AM AST Friday 29 November 2019
Snow squall watch in effect for:

Cumberland County North and Cobequid Pass
Flurries at times heavy are expected. Snow squalls are likely as a cold northerly flow develops over the Gulf of St. Lawrence.

Total snowfall: locally up to 20 cm by Saturday afternoon.

Locations: Northern mainland Nova Scotia and western Prince Edward Island.

Time span: This afternoon until Saturday evening.

Remarks: Flurries at times heavy will develop this afternoon and will persist tonight and Saturday. Snow squalls with locally poor visibility are likely as well.

Travel may be hazardous due to sudden changes in the weather. Visibility may be suddenly reduced at times in heavy snow.

Snow squall watches are issued when conditions are favourable for the formation of bands of snow that could produce intense accumulating snow or near zero visibilities.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NSstorm@canada.ca or tweet reports using #NSStorm.

3:25 PM AST Friday 29 November 2019
Special weather statement in effect for:

Cumberland County North and Cobequid Pass
Large waves, pounding surf and elevated water levels are expected.

Wave heights: 3 to 7 metres.

Locations: North facing shorelines of The Gulf of St. Lawrence, Northumberland Strait and Cabot Strait.

Time span: Tonight, Saturday, then subsiding on Sunday.

Remarks: The highest waves will be at north facing shorelines of the Magdalen Islands, Prince Edward Island and Cape Breton where waves of 5 to 7 metres and water levels of near a metre above normal are expected.

Over north facing shorelines of New Brunswick and mainland Nova Scotia, wave heights are expected to be in the 3 to 4 metre range with a water level of 50 cm to 1 metre above normal.

Shore or beach erosion and damage to coastal infrastructure is possible in vulnerable areas.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NSstorm@canada.ca or tweet reports using #NSStorm.

10:35 AM AST Friday 29 November 2019
Snow squall watch in effect for:

Prince County P.E.I.
Flurries at times heavy are expected. Snow squalls are likely as a cold northerly flow develops over the Gulf of St. Lawrence.

Total snowfall: locally up to 20 cm by Saturday afternoon.

Locations: Northern mainland Nova Scotia and western Prince Edward Island.

Time span: This afternoon until Saturday evening.

Remarks: Flurries at times heavy will develop this afternoon and will persist tonight and Saturday. Snow squalls with locally poor visibility are likely as well.

Travel may be hazardous due to sudden changes in the weather. Visibility may be suddenly reduced at times in heavy snow.

Snow squall watches are issued when conditions are favourable for the formation of bands of snow that could produce intense accumulating snow or near zero visibilities.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to PEstorm@canada.ca or tweet reports using #PEStorm.

3:25 PM AST Friday 29 November 2019
Special weather statement in effect for:

Prince County P.E.I.
Large waves, pounding surf and elevated water levels are expected.

Wave heights: 3 to 7 metres.

Locations: North facing shorelines of The Gulf of St. Lawrence, Northumberland Strait and Cabot Strait.

Time span: Tonight, Saturday, then subsiding on Sunday.

Remarks: The highest waves will be at north facing shorelines of the Magdalen Islands, Prince Edward Island and Cape Breton where waves of 5 to 7 metres and water levels of near a metre above normal are expected.

Over north facing shorelines of New Brunswick and mainland Nova Scotia, wave heights are expected to be in the 3 to 4 metre range with a water level of 50 cm to 1 metre above normal.

Shore or beach erosion and damage to coastal infrastructure is possible in vulnerable areas.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to PEstorm@canada.ca or tweet reports using #PEStorm.

Winter Storm Dorothy Update Seven