Heat warnings expanded across the Maritimes, first named storm for hurricane season possible by Wednesday
![Rainbow Haven Beach Provincial Park A father and daughter walk along a wooden bridge in Rainbow Haven Beach Provincial Park in Cow Bay, N.S. on Father's Day, Sunday, June 19, 2016. THE CANADIAN PRESS/Darren Calabrese](/content/dam/ctvnews/en/images/2024/6/18/rainbow-haven-beach-provincial-park-1-6931535-1718734581832.jpg)
Environment Canada has placed the entirety of the Maritimes under heat warnings as of Tuesday afternoon.
The criteria for a heat warning is slightly different for each Maritimes province but require two consecutive days and nights of hot temperatures, high humidex and warm nights.
The warnings call for widespread humidex values making it feel well into the 30s and in some cases 40s for the Maritimes. The warnings note that some coastal areas will experience more moderate temperatures.
The weather agency goes on to recommend to “Drink plenty of water regularly, even before you feel thirsty, to decrease your risk of dehydration. Thirst is not a good indicator of dehydration. Watch for early signs of heat illness - feeling unwell, fatigue, thirst, headache - all these can rapidly evolve into life-threatening emergencies. Move to a cooler environment immediately, such as a shaded or air-conditioned space.”
Heat warning criteria for the three Maritime provinces.
Mid-week heat
Parts of the Maritimes are experiencing the first of some unseasonably hot and humid weather Tuesday. High temperatures for much of New Brunswick and interior areas of the southwest of Nova Scotia are expected to reach temperatures in the high 20s and low 30s.
Humidex values, or what it feels like with both heat and humidity, are expected in the mid-to-high 30s.
Both the heat and humidity are expected to reach a peak in the Maritimes Wednesday and Thursday.
On Wednesday, high temperatures reach high 20s and low 30s across most of the region. Humidex values will make it feel in the mid-to-high 30s with some in New Brunswick into the low 40s. There will be cooler coastal areas, especially the Bay of Fundy coastline of New Brunswick and Atlantic coastal Nova Scotia, where the wind is expected to be more onshore.
Possible humidex values, or what it feels like with both temperature and humidity, Wednesday afternoon in the Maritimes.
Similar conditions are expected on Thursday with a few exceptions. Once again, areas directly on the coast will have more moderate temperatures as a result of a breeze off the ocean. Additionally, a turn to a northwest wind in northern New Brunswick will start bringing in some slightly cooler and much less humid air. It will still be hot Thursday for northern New Brunswick, but the humidex values could be reduced to the high 20s and low 30s.
Possible humidex values, or what it feels like with both temperature and humidity, Thursday afternoon in the Maritimes.
Relief Friday into Saturday
This first round of peak summer heat and humidity doesn’t linger for an overly extended period of time. A cold front is forecast to cross the Maritimes late Thursday into early Friday. Behind the front, some much less humid air filters will arrive from the north and will work to relieve both temperature and humidity levels Friday into Saturday.
Due to the warm, humid air built up ahead of the arrival of the front, as the system moves through, it will bring a risk of thunderstorms. The chance of thunderstorms are highest Thursday afternoon and evening in New Brunswick, Prince Edward Island, and eastern Nova Scotia.
A cold front brings a risk of thunderstorms to the Maritimes Thursday. Less humid air behind the front will help to relieve the heat and humidity built up for Friday.
Possible first named storm of hurricane season
The National Hurricane Center has designated a developing system in the Gulf of Mexico as Potential Tropical Cyclone One. While not a tropical storm yet there is a high degree of confidence it will develop into one by Wednesday. If and once it does, it will be named Alberto, the first named storm of the 2024 Atlantic hurricane season.
The system is forecast to move westward coming onshore in the Mexican province of Tamaulipas Wednesday into Thursday. The system could bring areas of heavy rain to northeastern Mexico as well as parts of southern Texas. Flash flooding and mudslides in higher terrain are common hazards associated with this type of storm.
The forecast cone for Potential Tropical Cyclone One issued by the National Hurricane Center.
CTVNews.ca Top Stories
![](https://www.ctvnews.ca/polopoly_fs/1.5346613.1719853464!/httpImage/image.jpg_gen/derivatives/landscape_800/image.jpg)
If you qualify for this tax credit, you can expect a payment in your bank account this week
The next quarterly GST/HST tax credit payment is expected to go out this week, according to the Canada Revenue Agency.
U.S. Supreme Court rules Trump has immunity for official, not private acts
The U.S. Supreme Court found on Monday that Donald Trump cannot be prosecuted for any actions that were within his constitutional powers as president, but can for private acts, in a landmark ruling recognizing for the first time any form of presidential immunity from prosecution.
These ultraprocessed foods may shorten your life, study says
Eating higher levels of ultraprocessed food may shorten lifespans by more than 10 per cent, according to a new, unpublished study of over 500,000 people whom researchers followed for nearly three decades.
WATCH: Ode to Newfoundland rings out at emotional internment of Unknown Soldier
As part of the emotional ceremony honouring Newfoundland and Labrador's Unknown Soldier, the province's national anthem, The Ode to Newfoundland, was sung. Military members received special permission from defence officials to salute the Ode.
This 12-year-old memorized the periodic table at age two. He's heading to NYU after finishing high school in just two years
Recent high school graduate Suborno Isaac Bari, 12, plans to start studying math and physics at New York University in the fall, but he’s already got his ambitious sights set on beginning a doctoral program.
Judge calls Jeffrey Epstein 'most infamous pedophile in American history' as he releases transcripts
A Florida judge released Monday afternoon the transcripts of a 2006 grand jury investigation that looked into sex trafficking and rape allegations made against the late millionaire and financier Jeffrey Epstein.
Eddie Murphy is still stung by that David Spade joke on 'Saturday Night Live'
Eddie Murphy is reflecting on some of the “cheap shots” he feels he’s taken over the years.
Possible indecent gesture at Euro 2024 game under investigation
England star Jude Bellingham is being investigated by UEFA over a potentially offensive gesture made during a European Championship win against Slovakia.
On July 1, 1916, a generation of Newfoundlanders died in one brief battle
Millions are celebrating Canada’s 157th birthday this year -- as they do every year -- with fireworks, food and family. In Newfoundland, it is a day of mourning for one of the bloodiest battles of the First World War.