Heat wave abruptly ends in N.B.

The temperature climbed to 30 C for three days in a row in Greater Moncton which is an unofficial heat wave since 32 C is the maximum by definition.

Those warm daytime highs, 30.4 C (19 July), 30.4 C (20 July) and 30.0 C (21 July), still haven’t eclipsed the season-to-date maximum of 30.8 C recorded on 11 June.

A cold front moved west to east through New Brunswick yesterday triggering scattered thunderstorms with heavy rain, gusty winds and even hail.

The heat and humidity have been replaced by a cooler, drier air mass with highs in the low 20’s C which is slightly below normal for late July.

Decent first half of July

An ominous afternoon sky over Greater Moncton, 17 July 2017 (Dearing)


For whatever reason, summer seems to go by faster than the other seasons and here we are already at the midway point of July. 

After 16 days, Greater Moncton has been having a decent month with an average temperature of 19.3 C which is 0.5 degrees above normal. 

Daytime highs have been warm but not hot with a peak of 29.4 C on 16 July while overnight lows have been mild except for a chilly low of 8.9 C on  05 July. 

The only concern is a lack of rainfall. 

The tally is 19.8 mm so far – less than a quarter of the monthly total – but keep in mind we are entering what is traditionally the driest period of the year in Southeast New Brunswick. 

(Stats courtesy Environment Canada)

June 2017 – Warm and unsettled

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Ominous clouds near the Nova Scotia-New Brunswick border, 03 June 2017 (Dearing)

Thunderstorm activity was common throughout Southeast New Brunswick in June and all but ten days had at least a trace of rainfall.

But precipitation amounts were generally light in Greater Moncton except for two major rain events – 36.6 mm fell on 09 June along with a peak wind gust of 102 km/h and 21.2 mm fell on 24 June.

Temperatures were cool during the first week of the month with an overnight low dropping to the freezing point although frost was generally avoided thanks to cloudy skies.

Summer-like conditions arrived by mid-month and many daytime highs climbed well into the 20’s C and reached 30 C or higher three times.

JUNE 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  22.4 C

Average LOW  9.9 C

AVERAGE 16.2 C (about 1.0 degree ABOVE normal)

Extreme HIGH  30.8 C (11 June)

Extreme LOW  0.0 C (06 June)

RAINFALL  77.8 mm (about 20 percent BELOW normal)

(Data courtesy Environment Canada)

Severe weather in northern N.B.

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Heavy rain, hail and wind, Plaster Rock, NB, 27 June 2017 (Greg LeBel/Facebook)

An unstable air mass moved from west to east in New Brunswick producing severe thunderstorms bringing torrential rain, large hail and strong winds.

Environment Canada believes a severe thunderstorm formed near Doaktown and possibly spawned a tornado that moved into the Blackville area last night.

Golf ball size hail and damaging winds with gusts up to 100 km/h were recorded in the Plaster Rock area.

Southeast New Brunswick has seen an above average 18 days with thunderstorm activity this June and a severe thunderstorm watch was issued in the region this afternoon.

Heat comes to abrupt end

Thunderstorm moves into Saint John, 12 June 2017 (AKS/Twitter)


After three days of daytime highs above 28 C in Greater Moncton, much cooler weather is coming thanks to a cold front and a change in wind direction. 

The warm sometimes unstable air mass has created severe thunderstorms across the region.

Flash flooding was reported in Saint John yesterday after heavy downpours with wind and and hail which were also observed today in northeastern Nova Scotia. 

Environment Canada is forecasting below seasonal temperatures for Southeast New Brunswick over the next couple of days. 

Heavy rain, wind after record highs

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Tree downed in key intersection of downtown Moncton, 09 June 2017 (Wade Perry/Twitter)

A low pressure system moved into the Maritimes today bringing up to 40 mm of rain to Greater Moncton.

A strong thunderstorm also rolled through Southeast New Brunswick in the early evening with wind speeds clocked as high as 102 km/h.

The brief but powerful gusts downed trees and branches onto power lines and caused thousands of power outages.

Environment Canada had not issued any weather warnings for the region.

The storm replaced a warm air mass which set record highs in at least four New Brunswick communities yesterday.

The hotspot was Kouchibouguac National Park which climbed to 32 C and that beats the maximum from 1992.

Moncton and Doaktown both tied their record highs of 30.6 C for the date.

Cool, unsettled start to June

Ominous clouds near Nova Scotia-New Brunswick border, 03 June 2017 (Dearing)

Weather conditions have been cool and unsettled in the Maritimes over the past several days.

While driving in Nova Scotia on Friday, I encountered everything from clouds and heavy downpours to a clearing sky with bright sunshine to clouds and rain again.

On the way home to New Brunswick on Saturday, I encountered similar conditions.

In Greater Moncton today, the thermometer climbed to a daytime high of only 10.6 C under a dreary sky which is about 10 degrees below normal for early June.

Forecasters say warmer, more seasonal temperatures will return by Wednesday but not before a risk of frost in Southeast New Brunswick by early Tuesday.

May 2017 – Wet and cloudy

Trailing arbutus or Mayflower growing in Irishtown Nature Park, 20 May 2017 (Dearing)


May in Southeast New Brunswick certainly lived up to its unpredictable nature as a transitional month between winter and summer.

Overall temperatures were above normal in Greater Moncton but oddly enough some of the coolest days were in the last third of the month.

Many days were cloudy and rainfall was heavy with only seven days without at least a trace of precipitation.

By the final week, trees were in full leaf or blossom and perennials were in full bloom.

MAY 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH 16.1 C

Average LOW  5.1 C

AVERAGE 10.8 C (about 0.8 degrees ABOVE normal)

Extreme HIGH 30.5 C (18 May)

Extreme LOW -0.4 C (13 May)

RAINFALL 163.5 mm (about 40 percent ABOVE normal)

(Data courtesy Environment Canada)

Sunshine and dandelions 

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Dandelions growing in NE Moncton, 13 May 2017 (Dearing)

The dandelions are out in full force as Southeast New Brunswick welcomed a beautiful, sunny day following a cold, grey and rainy week.

The normal high in Greater Moncton for mid-May is 17 C and temperatures didn’t even reach 10 C for two days in a row.

Rainfall has already reached 87 mm and the normal monthly total is 93 mm.

Forecasters are calling for 20-30 mm rain early next week thanks to another low pressure system.

Cape Breton drenched again

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A stream overflows in north end Sydney, NS, 11 May 2017 (Cape Breton Post)

Parts of Cape Breton Island were flooded by a deluge of rain barely six months ago – Thanksgiving weekend – and this week it’s happening again.

The ground is saturated with water after more than 160 mm of rain since the weekend and some Sydney residents are dealing with flooded basements.

Rain and snow melt from the Cape Breton highlands is being blamed for washouts along sections of the Cabot Trail and its side roads.

Road crews are working overtime making repairs before the busy tourism season begins in a few weeks.