Tropical storm Dexter forms over the western Atlantic, NHC says
The tropical storm was about 300 miles per hour (480 kilometers) west north-west of Bermuda, with packing maximum sustained winds of 45 mph (70 kph), the Miami-based forecaster said.
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Wildfires mapped: Where will be affected by smoky conditions this week?
Wildfire smoke continued to choke millions of residents across the Upper Great Lakes region on Monday, as massive blazes burned in Canada and throughout the western U.S. Minneapolis saw the second worst air quality in the world on Friday, with an air quality index of 159, thanks to the fires. The city of Detroit had the fourth worst air quality in the world, with an air quality index of 154, according to air quality tracker IQ Air. Any measurement above 150 is considered to be unhealthy and potentially result in more serious health impacts for sensitive groups. Recent research has linked wildfire smoke exposure to a higher risk of premature death and developing dementia. 'It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease and respiratory diseases like asthma. Monitor for symptoms such as wheezing, coughing, chest tightness, dizziness, or burning in nose, throat, and eyes,' the National Weather Service's Detroit office warned in a post on social media. An advisory was issued through Monday evening for the whole state of Michigan . In nearby Chicago, air quality also remained degraded following a very hazy weekend. By Monday, smoke was hanging on in neighboring Wisconsin. Several counties there were shown to be threatened by unhealthy air. The air pollution has shifted eastward since last week, according to national forecasters, with air quality alerts in effect across the Upper Mississippi Valley and Northeast regions. In New York City, the air quality was also unhealthy, and temperatures were expected to jump up nearly 30 degrees over the course of the day. In addition to worsening wildfire conditions, higher temperatures can make air quality worse, leading to increases in ozone pollution, which is commonly known as smog. The combination of smog and wildfire smoke can be particularly harmful, potentially leading to cardiovascular and respiratory issues. This wildfire smoke is tied to fires burning in Saskatchewan, Alberta and Manitoba. Nearly 4,000 fires have scorched more than 16 million acres this year thus far across the country, and 739 are still active, according to the Canadian Interagency Forest Fire Centre. But, Canadian wildfires aren't the only potential threat to Americans and skies around the nation. In the West and Southwest, major wildfires were tearing through California and Arizona. The Golden State's Gifford Fire in Los Padres National Forest had ballooned to more than 65,000 acres, forcing evacuations. Its cause remains under investigation. In Arizona's Grand Canyon National Park, the lightning-sparked Dragon Bravo 'megafire' kept spreading, now spanning more than 116,000 acres. That makes it the largest fire in the country. 'This fire behavior we're seeing is unprecedented,' Lisa Jennings, a spokeswoman for the Southwest Area Incident Management Team, told The New York Times on Saturday. 'We have had consistently gusty winds with this dry spell for the past eight days. There's lots of fuel to burn through.'
Daily Mail
2 hours ago
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Tropical Storm Dexter forms off US coast
Hurricane forecasters are closely monitoring several systems in the Atlantic Ocean, including one that intensified into Tropical Storm Dexter overnight. Dexter, previously designated as AL95, developed Saturday along a frontal boundary about 150 miles off the coast of North Carolina. As of Monday morning, the tropical storm was located several hundred miles northwest of Bermuda and is moving east-northeast at around 12 mph, with maximum sustained winds near 45 mph. While the system appears to be drifting away from the US, meteorologists at The Weather Channel warned that high surf and dangerous rip currents could still impact the East Coast over the next several days. The National Hurricane Center (NHC) is also tracking two other systems in the Atlantic. One is a tropical wave that recently moved off the west coast of Africa and the other, more concerning in the short term, is a disturbance positioned dangerously close to northeastern Florida . Although neither system poses an immediate threat to land, forecasters said conditions are becoming increasingly favorable for development. Experts are particularly watching the tropical wave near Africa, which is expected to organize into a tropical depression or storm by late this week as it moves across the central Atlantic. Jonathan Belles, meteorologist at The Weather Channel , said: 'Dexter was first designated a tropical storm late Sunday night, after an area of low pressure first formed along a stalled frontal boundary off the Southeast coast between North Carolina's Outer Banks and Bermuda. 'It then sprouted enough persistent thunderstorms and separated from the front to become the fourth tropical storm of the season. 'It's not uncommon for tropical systems to develop this way.' Tropical Storm Dexter is expected to gain strength over the next couple of days, but will likely lose its tropical characteristics by Wednesday. Dexter formed nearly two weeks ahead of schedule, beating the average date for the fourth named storm of the Atlantic hurricane season, which is typically August 15. On average, the first hurricane of the season does not appear until August 11, making Dexter's early arrival a sign that the season may be ramping up faster than usual. Dexter is the fourth named storm of 2025 in the Atlantic. Forecasters are also keeping an eye on a tropical wave expected to move off the west coast of Africa in the next day or two. As it travels west-northwest across the central Atlantic, it could slowly develop. A tropical depression may form later in the week, according to the NHC, which gave the system a 50 percent chance of development over the next seven days as of Monday morning. The next name on the 2025 Atlantic storm list is Erin. Closer to the US, another disturbance off the East Coast could develop later this week. Forecasters expect an area of low pressure to form a few hundred miles southeast of the Carolinas, where gradual strengthening is possible. This system has a 30 percent chance of forming into a tropical depression or storm within the next week. The system is forecasted to drift to the west or northwest, which means those along the Georgia and Carolina coasts will need to keep an eye on it. The National Oceanic and Atmospheric Administration (NOAA) said in May that the Atlantic could see an 'above average' hurricane season. Overall, NOAA has predicted up to 19 named storms, 10 hurricanes, and five major hurricanes. The Atlantic hurricane season runs from June 1 to November 30. 'A steep increase in tropical activity has historically occurred over the next 4-6 weeks across the Atlantic basin,' Belles said.
Daily Mail
3 hours ago
- Daily Mail
Tropical cyclone outbreak off East Coast sparks hurricane fears as Dexter forms
Hurricane forecasters are closely monitoring several systems in the Atlantic Ocean, including one that intensified into Tropical Storm Dexter overnight. Dexter, previously designated as AL95, developed Saturday along a frontal boundary about 150 miles off the coast of North Carolina. As of Monday morning, the tropical storm was located several hundred miles northwest of Bermuda and is moving east-northeast at around 12 mph, with maximum sustained winds near 45 mph. While the system appears to be drifting away from the US, meteorologists at The Weather Channel warned that high surf and dangerous rip currents could still impact the East Coast over the next several days. The National Hurricane Center (NHC) is also tracking two other systems in the Atlantic. One is a tropical wave that recently moved off the west coast of Africa and the other, more concerning in the short term, is a disturbance positioned dangerously close to northeastern Florida. Although neither system poses an immediate threat to land, forecasters said conditions are becoming increasingly favorable for development. Experts are particularly watching the tropical wave near Africa, which is expected to organize into a tropical depression or storm by late this week as it moves across the central Atlantic. Jonathan Belles, meteorologist at The Weather Channel, said: 'Dexter was first designated a tropical storm late Sunday night, after an area of low pressure first formed along a stalled frontal boundary off the Southeast coast between North Carolina's Outer Banks and Bermuda. 'It then sprouted enough persistent thunderstorms and separated from the front to become the fourth tropical storm of the season. 'It's not uncommon for tropical systems to develop this way.' Tropical Storm Dexter is expected to gain strength over the next couple of days, but will likely lose its tropical characteristics by Wednesday. Dexter formed nearly two weeks ahead of schedule, beating the average date for the fourth named storm of the Atlantic hurricane season, which is typically August 15. On average, the first hurricane of the season does not appear until August 11, making Dexter's early arrival a sign that the season may be ramping up faster than usual. Dexter is the fourth named storm of 2025 in the Atlantic. Forecasters are also keeping an eye on a tropical wave expected to move off the west coast of Africa in the next day or two. As it travels west-northwest across the central Atlantic, it could slowly develop. A tropical depression may form later in the week, according to the NHC, which gave the system a 50 percent chance of development over the next seven days as of Monday morning. The next name on the 2025 Atlantic storm list is Erin. Closer to the US, another disturbance off the East Coast could develop later this week. Forecasters expect an area of low pressure to form a few hundred miles southeast of the Carolinas, where gradual strengthening is possible. This system has a 30 percent chance of forming into a tropical depression or storm within the next week. The system is forecasted to drift to the west or northwest, which means those along the Georgia and Carolina coasts will need to keep an eye on it. The National Oceanic and Atmospheric Administration (NOAA) said in May that the Atlantic could see an 'above average' hurricane season. Overall, NOAA has predicted up to 19 named storms, 10 hurricanes, and five major hurricanes. The Atlantic hurricane season runs from June 1 to November 30. 'A steep increase in tropical activity has historically occurred over the next 4-6 weeks across the Atlantic basin,' Belles said. 'Tropical development can occur anywhere from the Gulf and Southeast coasts to the Central Atlantic and even off the coast of Canada. 'This is because water temperatures are near their annual peak, Saharan air has typically mixed out, wind shear is decreasing and instability across the basin is high. These are all favorable conditions for tropical formation.'
