Saint John River at Perth-Andover, NB, 16 July 2019 (Dearing)
The next heat wave across Eastern Canada could be the warmest period yet this summer with daytime highs in the low 30’s C and humidex values near 40.
Southern Ontario and Southern Quebec have been blanketed with heat warnings from Environment Canada with hot, humid days and warm nights expected this weekend.
Temperatures in the Maritimes for Saturday and Sunday could reach 30 C but a cold front will bring cooler and drier air by Monday.
A mini heat wave already brought highs of 29 C and 30 C earlier this week in Greater Moncton.
The view from Economy Point, NS, 03 July 2019 (Dearing)
After a cool and wet start to summer, a blast of heat is heading to the Maritime Provinces over the next few days.
Environment Canada has issued heat warnings for most of New Brunswick – excluding the Fundy coast – and western Nova Scotia while other areas under a special weather statement.
A warm, humid air mass is moving into the region today raising daytime temperatures to 30°C or more.
Humidex values near 40 are expected and overnight lows may not fall below 18°C providing little relief from the heat.
Near normal values will return late Saturday as a cold front arrives.
Heat warnings are also in place for parts of Ontario and Quebec where it climbed into the low 30s yesterday.
Strawberry plant in blossom after rain, NE Moncton, 29 June 2019 (Dearing)
The average monthly temperature for June in Greater Moncton was at least close to normal compared to a damp, cold May.
While daytime highs climbed to 20°C or higher on 20 days, significant heat was scarce and the thermometer didn’t even get close to 30°C.
Rainfall was heavier than normal – a measurable amount was recorded on 21 days – following a trend which began in early spring.
About three-quarters of the precipitation fell during the last ten days of the month.
JUNE 2019 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)
Average HIGH 21.0°C
Average LOW 8.8°C
AVERAGE 14.9°C (about 0.3 degrees BELOW normal)
Extreme HIGH 26.0°C (19 June)
Extreme LOW 2.8°C (01 June)
RAINFALL 128.9 mm (almost 30 percent ABOVE normal)
(Data courtesy Environment Canada)
The summer solstice officially arrived in New Brunswick at 12:54 pm ADT and it was certainly welcome after a relentlessly cold spring.
Greater Moncton enjoyed 15 hours and 46 minutes of daylight today but unfortunately the sun didn’t make an appearance due to lots of clouds and heavy rain.
The sun is directly over the Tropic of Cancer and it will now begin moving south toward the equator which means days will get shorter – ever so slowly starting tomorrow.
As for summer weather predictions, The Weather Network is suggesting warmer than normal temperatures in July and into August with near normal precipitation.
Environment Canada is calling for near normal temperatures and near to slightly above normal precipitation.
A thunderstorm with snow is called thundersnow and it struck the British Columbia Interior just two days before the start of summer!
An unstable air mass bringing cold air from Alaska is to blame for the rare thundersnow which covered mountainous terrain in the Okanagan Valley with about 10 cm.
Snow fell above 1500 metres with a snow/rain mix down to 1100 metres and a chilly rain at sea level.
About 10 cm of snow was also expected in the Alberta Rockies from a similar system.
After a cold and wet spring in New Brunswick, what will summer be like?
The Weather Network has unveiled its summer 2019 forecast and if you were hoping for warmer temperatures, it appears you may have to wait a little longer.
TWN suggests the season will be changeable and humid with cool weather in June but warmer than normal temperatures arriving in July stretching into August.
Extended periods of dry weather could lead to short term drought in parts of the Maritimes but overall precipitation will likely be near normal.
What about the spring 2019 forecast from The Weather Network?
TWN noted a cold wave in early March would be followed by a warmer pattern later in the month with more consistent spring-like weather by early April.
Both temperatures and precipitation were expected to be near normal.
So was the seasonal forecast accurate?
While early March was cold in Greater Moncton with a bitter low of -20.1 C, a warmer pattern never really developed except for a brief shot of warmth at month end.
April had some warmth in the middle but that fizzled near the end and while May started off strong, a cold pattern held steady for the second half of the month.
Precipitation was below seasonal in March, well above average in April and slightly above normal for May.
While the last three months of 2018 were colder than normal in Greater Moncton, the annual average temperature was still 0.4 degrees above the 30-year average.
Summer proved to be extremely warm with more highs above 20°C overall and more than three times as many days above 30°C.
As for cold weather, the number of days falling below -10°C was near normal but there were far fewer lows dropping to -20°C or lower.
(Data courtesy Environment Canada)
Wildfires create smoky sky over downtown Calgary, AB, 14 Aug 2018 (Dearing)
Here is the annual list from Environment Canada:
- Record wildfires and smoky summer skies in the West
- Summer heat wave from East to West
- Tough growing season in the Prairies
- Powerful May winds impact Ontario and Quebec
- September tornadoes touch down in Ottawa-Gatineau
- Spring flooding in southern British Columbia
- Historic spring flooding along the St. John River Valley
- August deluge in Toronto
- Record cold start to a long winter nationwide
- Cold and stormy April for the East
Fall foliage along St George Boulevard, Moncton, 13 Oct 2018 (Dearing)
The brilliant fall foliage hues of red, orange and gold have reached their peak in Southeast New Brunswick.
Leaves have already begun falling to the ground and the season is already past peak across the northern part of the province.
Experts say the colours have peaked about a week later than usual thanks to a hot, dry summer which caused stress for leaves.
The drought was relatively short-lived with a plentiful amount of rain recorded so far this autumn.
Black-eyed Susans growing in Upper Hammonds Plains, NS, 21 Sept 2018 (Dearing)
Warm, summer weather picked up in September where it left off in August in Southeast New Brunswick.
But the passage of a cold front marked a drastic temperature drop on the 18th and suddenly it felt like fall in Greater Moncton.
The thermometer continued to plunge and sank to -1.9°C on the 25th with light, scattered frost although most vegetation was spared severe damage.
Precipitation was actually above normal although heavy amounts fell in a handful of rainfalls.
SEPTEMBER 2018 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)
Average HIGH 20.9°C
Average LOW 7.9°C
AVERAGE 14.4°C (about 0.8 degrees ABOVE normal)
Extreme HIGH 28.9°C (06 Sept)
Extreme LOW -1.9°C (25 Sept)
RAINFALL 100.5 mm (about 10 percent ABOVE normal)
(Data courtesy Environment Canada)