Sunday, November 21, 2021

Late November Storm


































Hazardous Weather Outlook
National Weather Service Caribou ME
359 PM EST Sun Nov 21 2021

MEZ016-017-029-030-032-222100-
Interior Hancock-Central Washington-Coastal Hancock-
Coastal Washington-Northern Washington-
359 PM EST Sun Nov 21 2021

This Hazardous Weather Outlook is for Coastal DownEast Maine, Far
Eastern Maine and Interior DownEast Maine.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

A storm system will bring gusty winds and moderate to heavy rain
late tonight into Monday. 1 to 2 inches of rainfall are expected
across Hancock and Washington Counties, though higher amounts are
possible in some areas of eastern Washington County.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

10:03 PM AST Sunday 21 November 2021
Freezing rain warning in effect for:

Stanley - Doaktown - Blackville Area
Freezing rain will impact the region tonight.

Total rainfall: 5 mm with below freezing temperatures.

Locations: central and northeastern New Brunswick.

Time span: tonight, between midnight and 5 AM.

Remarks: An intensifying low pressure system will approach the Maritimes tonight. Periods of freezing rain will begin over central and northern New Brunswick around midnight and continue for several hours while temperatures remain at or near the freezing mark. Moderate to strong southerly winds will push the temperature above zero by Monday morning. Rain is expected throughout the province for the rest of the day.

Surfaces such as highways, roads, walkways and parking lots will become icy, slippery and hazardous. Be prepared to adjust your driving with changing road conditions.

Freezing rain warnings are issued when rain falling in sub-zero temperatures creates ice build-up and icy surfaces.

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

10:03 PM AST Sunday 21 November 2021
Rainfall warning in effect for:

Moncton and Southeast New Brunswick
Rain, at times heavy, is expected.

Wet and windy conditions beginning tonight and continuing through Monday night.

Total rainfall: 50 to 75 mm.

Maximum wind gusts: 50 to 70 km/h.

Locations: southern New Brunswick, including St. Andrews, Saint John, Sussex, and Moncton.

Time span: beginning overnight tonight and continuing until early Tuesday.

Remarks: An intensifying low pressure system will approach the Maritimes tonight. The rain will spread across the region late this evening. The forecast guidance is indicating that the highest rainfall rates will occur Monday morning and afternoon over the Fundy region, and late in the day and evening for other southeastern regions. The rain will likely taper off before sunrise Tuesday.

Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible. Watch for possible washouts near rivers, creeks and culverts.

Rainfall warnings are issued when significant rainfall is expected.

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

10:00 PM AST Sunday 21 November 2021
Special weather statement in effect for:

St. Stephen and Northern Charlotte County
A storm will impact the Maritimes during the first half of the week, bringing heavy rain and windy conditions.

Total rainfall: 30 to 50 mm with locally higher amounts possible.

Locations: southwestern and eastern New Brunswick.

Time span: beginning overnight tonight and continuing during the first half of the week.

Remarks: An intensifying low pressure system will approach the Maritimes tonight. The rain will start over southern areas beginning late this evening. Light snow will spread across northern parts of the province tonight, with periods of freezing rain over central and northeastern New Brunswick where a freezing rain warning is now in effect. By Monday morning, temperatures will be well above zero and rain is expected throughout the province for the rest of the day. Current forecast guidance is indicating that the highest rainfall amounts will be in the southernmost regions, where a rainfall warning is in effect.

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

10:00 PM AST Sunday 21 November 2021
Special weather statement in effect for:

Queens County P.E.I.
A storm will impact the Maritimes Monday, Tuesday and Wednesday, likely bringing heavy rain and strong winds.

Total rainfall: 40 to 70 mm, with potential for locally higher amounts.

Maximum wind gusts: possibly more than 90 km/h.

Locations: Prince Edward Island.

Time span: beginning Monday and extending to Wednesday and possibly beyond.

Remarks: An intensifying low pressure system will slowly move into the Maritimes on Monday. This system will then stall and give an extended period of rain and strong winds to Prince Edward Island on Monday night and Tuesday. There is the potential for localized flooding and water pooling on roadways and travelers should expect to encounter adverse driving conditions.

Rainfall and wind warnings may be issued with future updates.

Pounding surf and higher than normal water levels are possible on Wednesday.

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

9:57 PM AST Sunday 21 November 2021
Rainfall warning in effect for:

Halifax Metro and Halifax County West
Heavy rain is expected.

Total rainfall: 50 to 100 mm except 100 to 150 mm possible for Halifax County - East of Porters Lake.

Location: most of mainland Nova Scotia

Time span: beginning Monday morning and continuing into mid week.

Remarks: An intense low pressure system will approach from the southwest tonight and slowly cross the province on Monday before stalling over eastern Nova Scotia Tuesday night. Heavy rain associated with this system will begin Monday morning in southwestern Nova Scotia and spread to the eastern parts of the province by Monday night. Total rainfall will be heaviest in eastern Nova Scotia where amounts of 100 to 150 mm are possible by Tuesday afternoon.

The rain is likely to taper off in western areas on Tuesday, but periods of rain could linger over eastern Nova Scotia into the latter part of the week giving further rainfall accumulations.

Strong gusting southeasterly winds are also expected ahead of the low beginning on Monday. Generally, these winds are expected to gust between 60 and 80 km/h, but parts of the Atlantic coast from Lunenburg County and eastward could see gusts as high at 100 km/h, and a wind warning may be issued with future updates.

Heavy downpours can cause flash floods and water pooling on roads. Don't approach washouts near rivers, creeks and culverts.

Rainfall warnings are issued when significant rainfall is expected.

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

9:59 PM AST Sunday 21 November 2021
Special weather statement in effect for:

Sydney Metro and Cape Breton County
A storm will impact the Maritimes Monday, Tuesday and Wednesday. Torrential rain and strong winds are expected.

Total rainfall: 80 to 100 mm except 100 to 150 mm over parts of Eastern Nova Scotia and Cape Breton with the potential for locally higher amounts.

Maximum wind gusts: 90 to 100 km/h.

Locations: Nova Scotia.

Time span: The worst conditions are expected late Monday night and into Tuesday. Rain and strong winds could continue into Wednesday and possibly beyond in eastern regions.

Remarks: An intensifying low pressure system will slowly move into the Maritimes on Monday. This system will then stall over eastern Nova Scotia and give an extended period of rain and intense winds. Rainfall and wind warnings are likely to be issued with future updates as the storm approaches.

Similar storms in the past have resulted in power outages, road washouts, localized flooding in poor drainage areas, and hazardous driving conditions.

Pounding surf and higher than normal water levels are possible Tuesday and Wednesday.

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