Weather bomb crosses the continent

Bomb cyclone

Bomb cyclone centre in U.S. Midwest, 14 Mar 2019 (earth.nullschool.net)

A so-called bomb cyclone brought blizzard conditions to Colorado and now heavy rain,  flooding and even tornadoes to the U.S. Midwest.

The weather bomb occurs when there is a rapid drop in atmospheric pressure over a 24 hour period.

Further north, the storm is dumping snow across Minnesota as it moves into northwestern Ontario.

Severe thunderstorm watches have been posted for Southern Ontario with strong winds expected along with heavy rain.

New Brunswick will the effects this weekend with significant rainfall and gusty winds in the forecast.

Advertisements

Dangerous whiteout conditions across N.B.

Open areas like West Main Street were prone to drifting snow, 26 Feb 2019 (Dearing)

Strong winds created blowing and drifting snow across New Brunswick today which caused whiteout conditions on highways.

RCMP say a multi-vehicle pileup on Highway 11 near Cocagne late this morning involved 15 vehicles in a series of collisions.

Visibility was poor in whiteouts near the Cocagne Bridge.

The highway was closed as emergency responders cleared the wreckage and waited for the weather to improve.

Winds gusted as high as 85 km/h in Greater Moncton which created a bitterly cold wind chill giving a risk of frostbite on exposed skin.

Major winter storm approaches

winterstormjan20

Radar image captured at 23hrs, 19 Jan 2019 (Bing maps)


A strong winter storm will track across the Maritimes Sunday bringing a mixed bsg of precipitation to Southeast New Brunswick.

Snow at times heavy will begin in the morning changing to ice pellets and freezing rain by noon and eventually to rain later in the afternoon.

Greater Moncton is expecting about 20 cm snow, 20 mm of rain and possibly several hours of ice accumulation.

Strong winds will develop giving reduced visibility in blowing snow with gusts reaching 80 km/h along the Fundy coast.

Conditions may not improve until Monday afternoon as the storm moves eastward.

Risk of frostbite

Hoar frost on trees in west end Moncton, 14 Jan 2019 ( Dearing)

A good old fashioned January cold snap continues in New Brunswick with well below normal temperatures since last weekend.

Wind chill values have dropped to -30 giving the risk of frostbite on exposed skin.

After a frosty -21.4°C in Greater Moncton earlier this week, forecasters say a further tumble to -23°C is likely before a potent winter storm arrives on Sunday.

Environment Canada is tracking a system moving across the U.S. which is expected to bring at least 30 cm of snow, 50 mm of rain, a period of freezing rain and strong winds to the Maritimes.

Storm ravaged B.C. to get more active weather

Power crews working on restoration efforts in Nanaimo, BC, 25 Dec 2018 (BC Hydro)

Almost 7,000 customers are still without electricity in British Columbia after the most powerful windstorm in 20 years struck the province a week ago.

BC Hydro says most of the remaining outages are in the southern Gulf Islands and those customers should be back on the grid by New Year’s Eve.

At the storm’s peak about 700,000 customers were in the dark after wind gusts of between 90 and 123 km/h were recorded on Vancouver Island and the Lower Mainland.

After a brief quiet period over Christmas, the next system is coming this weekend bringing more active weather including rain, snow, and gusty winds.

Canada’s Top 10 Weather Stories 2018

img_2955

Wildfires create smoky sky over downtown Calgary, AB, 14 Aug 2018 (Dearing)

Here is the annual list from Environment Canada:

  1. Record wildfires and smoky summer skies in the West
  2. Summer heat wave from East to West
  3. Tough growing season in the Prairies
  4. Powerful May winds impact Ontario and Quebec
  5. September tornadoes touch down in Ottawa-Gatineau
  6. Spring flooding in southern British Columbia
  7. Historic spring flooding along the St. John River Valley
  8. August deluge in Toronto
  9. Record cold start to a long winter nationwide
  10. Cold and stormy April for the East

 

Snowstorm departs, rainstorm coming

Reservoir at Irishtown Nature Park, 16 Dec 2018 (Dearing)

More than 24 hours after it started, snow finally stopped falling in Southeast New Brunswick and a slow moving low pressure system headed to western Newfoundland.

Greater Moncton picked up between 20 and 25 cm and schools in the region were closed for two days.

Higher amounts of snow fell in western New Brunswick, western Prince Edward Island and the Cape Breton Highlands.

Environment Canada says the next major weather should arrive Friday with warm, moist air boosting temperatures and bringing significant rainfall.

Storm Deirdre slams U.K. & Ireland

Scotlandsnow

Snow falling in southern Scotland, UK, 15 Dec 2018 (D.Cheskin/PA)

So-called Storm Deirdre put a damper on holiday shopping this weekend just days before Christmas as strong winds, freezing rain, rain and snow turned many roads into ice rinks across the United Kingdom and Ireland.

Weather warnings covered most regions except for Greater London and southeast England which saw mostly rain.

Hurricane force winds gusted up to 120 km/h in the Scottish Highlands where up to 50 cm of snow fell.

Police responded to numerous highway collisions related to the icy conditions.

Bitter cold hangs on

Irishtown Nature Park reservoir is already frozen, 01 Dec 2018 (Dearing)

An Arctic air mass continues to have its grip over the Maritimes with today marking the sixth day of below freezing temperatures in Greater Moncton.

The early morning lows dropped to -16.1°C yesterday and -16.5°C today.

Brisk northwest winds have also created bitter wind chills into the -20s this weekend giving a risk of frostbite on exposed skin.

The normal high for early December is 0°C and the low is -8°C.

Environment Canada says temperatures may not climb above freezing until Friday making this one of the longest cold snaps in recent memory.

Powerful winds pummel Maritimes

Tree topples over following powerful winds, 04 Nov 2018 (NB Power)

An intense low pressure system moving up from the U.S. Eastern Seaboard brought heavy rain and strong winds to the Maritimes overnight.

The powerful hurricane-force gusts knocked out electricity to more than 100,000 customers in New Brunswick during the height of the storm.

Temperatures were very mild thanks to a southerly flow with highs exceeding 20°C in some areas including a new record of 21.7°C in Cheticamp.

Rainfall amounts (mm):

  • Kejimkujik, NS  93
  • Alma, NB  85
  • Greater Moncton  69
  • Fredericton  64
  • Saint John  60
  • Summerside, PEI  58
  • Halifax Stanfield  45

Wind gusts (km/h):

  • Bouctouche, NB  119
  • North Cape, PEI  117
  • Greater Moncton  110
  • North Mountain, NS  108
  • Grand Etang, NS  106
  • Fredericton  102
  • Saint John  100
  • Halifax Stanfield  100

(Data courtesy Environment Canada)