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All of New Brunswick is under an Environment Canada frost advisory for early Friday morning, but you wouldn’t guess it by looking at Wednesday’s weather.
Several New Brunswick communities broke daily high temperature records on Wednesday.
Fredericton broke the old May 20 record of 30.6 C — set in 1951 — by a little less than one degree, with a temperature of 31.3 C.
Moncton set a record of 31.4 C, smashing the old one of 28.9 C, set in 1931.
Several places broke or tied records that were set in 2003.
Doaktown tied its 2003 record of 31 C. Grand Manan reached 29.5, breaking its 2003 record of 24.9 C.
The same goes for the Kouchibouguac area, which set a 31.2 C record. The temperature in Saint John reached 29.2 C, breaking a 2003 record of 25.2 C.
In St. Stephen, a record of 31.2 C broke the 26 C record set in 2012.
According to Environment Canada, the temperature records are derived from “a selection of historical stations in each geographic area that were active during the period of record.”
Jill Maepea, a Fredericton-based meteorologist with Environment Canada, said it isn’t abnormal to see 30 C days in May. She said the more significant part of the equation is that a number of locations broke their records by several degrees.
A closeup of frost in a file photo. Meteorologist Jill Maepea said frost advisories are issued when ground frost and temperatures near zero, or even below zero, are expected. (Maggie MacPherson/CBC)
But only a day later and Environment Canada has issued frost advisories for the whole province.
Maepea said frost advisories are issued when ground frost and temperatures near zero, or even below zero, are expected.
According to the Environment Canada advisory, for most of the province, temperatures between 0 C and 2 C could be expected Friday morning, while the northwestern part of New Brunswick could see temperatures of -2 C to 2 C.
Maepea said it may be slightly rare that New Brunswick is seeing a frost advisory so soon after record highs, but it’s “nothing we haven’t seen.”
“During the months of March, April and May, we have these large swings in temperature as … we kind of transition from winter into summer,” she said.
“If we could see these, you know, continuously, that’d be definitely more of an interesting weather pattern, but where it’s just happening the once, it looks like it is just the transition of a really warm air mass to a cold one.”
The rest of the week will see generally below-seasonal conditions, Maepea said.
Typically, the highs for this time of year in the southern part of the province are around 20 C, but for the next couple of days, temperatures anywhere from 15 C to 17 C are expected, she said.
Temperatures will return to being near seasonal for the weekend, Maepea said.