Irishtown Reservoir, Moncton, 05 Nov 2017 (Dearing)
Autumn has made an abrupt return to Southeast New Brunswick.
The passage of a cold front lowered daytime highs in Greater Moncton from a near record of 19.3 C to a below seasonal high of 5.2 C over the past 24 hours.
Temperatures are poised to drop even lower later this week when the first blast of Arctic air this season moves into the Maritimes.
Environment Canada is forecasting a low of -7 C by early Saturday which will likely mean a hard, killing frost for any remaining sensitive vegetation.
Wildflowers and annuals in northeast Moncton, 03 Nov 2017 (Dearing)
A warm southerly flow allowed temperatures in the Maritimes to climb into the low 20s C yesterday with record highs broken in all three provinces.
Bouctouche was the hot spot in New Brunswick at 21.1 C which was the same record high set at St. Peters, Prince Edward Island.
Greenwood, Nova Scotia reached a summer-like maximum of 25.5 C which was the warmest in Canada.
A new high was also set at the Greater Moncton International Airport at 19.7 C edging out a record from 1999.
After a cold front moved through the region with some much needed rain, temperatures fell back to more seasonal values.
An intense low pressure system which absorbed the remnants of Tropical Storm Philippe unleashed its fury on Ontario, Quebec and the Maritimes after racing through the Northeastern United States.
Environment Canada reports more than 100 mm of rain (a month’s worth) fell in Ottawa turning some streets into rivers in the National Capital (2017 is now its wettest year ever) and neighbouring Gatineau.
Strong winds gusted to 93 km/h at Ile d’Orleans with rainfall amounts of up to 90 mm across Southern Quebec.
Western New Brunswick felt the brunt of this storm in the Maritimes while Greater Moncton recorded 25 mm of rain and a peak wind gust of 69 km/h.
Autumn 2017 – Abnormally dry (YELLOW), Moderate drought (TAN), courtesy Agriculture Canada
Central New Brunswick is experiencing a moderate drought while much of the rest of the province is abnormally dry except for the Acadian Peninsula according to Agriculture Canada.
Forecasters say two weather systems could bring as much as 100 mm of rain on Thursday and Friday which is welcome relief for a prolonged dry period which began in early summer.
Environment Canada has issued rainfall warnings for western and southern New Brunswick but the Southeast is expecting less than 40 mm.
Meantime, more record highs were broken across the Maritimes today as southerly air continued to push temperatures well into the 20’s C.
Along the Riverfront Trail in Moncton, 21 October 2017 (Dearing)
Nine communities across New Brunswick set new record highs yesterday and the same will likely happen again today.
Greater Moncton was the warmest spot in the province climbing to 23.1 C which broke the old maximum temperature of 22.8 C from 1928.
Greenwood was among six communities in Nova Scotia breaking records with a high of 24.5 C.
Four records fell on Prince Edward Island including Charlottetown at 21.7 C.
Environment Canada says the Maritimes is enjoying a late October heat wave because the region is sandwiched between low pressure and high pressure allowing warm, southerly air to move northward.
Maple tree past peak in Moncton, 22 Oct 2017 (Dearing)
The fall foliage in Southeast New Brunswick is now past peak and the leaves are starting to tumble to the ground.
Typically a strong wind and/or rain event will bring down most remaining leaves from the trees with maples the first to shed and oaks among the last.
Forestry experts say unseasonably warm weather across the Maritimes this autumn have muted some fall colours.
Rich, vivid displays are most common when days are sunny but cool and nights are cold.
Aboiteau Beach, Cap-Pele, NB, 08 Oct 2017 (Dearing)
The jet stream brought warm southerly air into the Maritimes allowing temperatures in Southeast New Brunswick to climb into the 20s this Thanksgiving weekend.
Environment Canada says Greater Moncton reached a daytime high of 20.2 C on 07 October, 23.7 C on 08 October (near the record of 23.9 C from 1970), and 22.9 C on 09 October.
Given the autumn warmth, I couldn’t resist a visit to Aboiteau Beach (and neither could a handful of others) which was near 24 C under a mostly cloudy sky and it was quite windy.
Greenwood, Nova Scotia was the hot spot in Canada hitting 26 C for two days in a row.
The parade of hurricanes in the Atlantic continues with Maria making landfall late tonight over the eastern Caribbean island nation of Dominica as a powerful category 5 storm packing sustained winds of 260 km/h.
The U.S. National Hurricane Center is outlying a path for Maria which is eerily similar to the recent Hurricane Irma with the U.S and British Virgin Islands and Puerto Rico expected to be impacted on Wednesday.
Maria will be accompanied by a dangerous storm surge and between 300-500 mm (12-20 inches) of rain to some of the islands causing life-threatening flash floods and mudslides.
Meantime, Hurricane Jose is still churning northward as a category 1 storm with heavy surf and rip currents along the U.S East Coast from North Carolina to Massachusetts.
Canadian forecasters say the remnants of Jose have already brought high humidity to the Maritimes and will give Nova Scotia persistent moisture and cloud cover as well as rough surf along the Atlantic coast.
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.
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.