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Life-threatening heat dome intensifies as ring of fire storms rumble across central US

Life-threatening heat dome intensifies as ring of fire storms rumble across central US

New York Post19 hours ago
The big weather story this week is a large area of high pressure building over the central U.S., often called a 'heat dome,' the FOX Forecast Center warns.
These systems trap heat beneath them and lead to stretches of very hot, dry weather.
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While this particular heat dome won't likely break any records, it will push temperatures into the upper 90s for a huge portion of the country.
What will make it feel even worse is the humidity.
With dew points running high, the heat index, or 'feels-like' temperature, will soar above 100 degrees in many major cities, like St. Louis, Kansas City and Oklahoma City.
Some areas could even feel closer to 110-115 degrees.
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The high humidity makes it harder for your body to cool off through sweating, which is why it feels so much hotter than the thermometer shows, the FOX Forecast Center added.
Underneath the heat dome, the weather will stay mostly dry.
Texas, for example, will continue drying out this week, which is a welcome break after recent flooding in places like Kerrville.
However, not every part of the country will be dry.
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The moisture being blocked from rising straight up into the heat dome is instead getting pushed around it.
This creates a setup where storms fire up along the northern and eastern edges of the dome.
These 'ring of fire' storms are powered by daytime heat and plenty of unstable air.
High pressure building up over the central U.S. could lead to very hot and dry weather that'll likely last for a while.
Getty Images
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They can bring damaging winds, large hail and heavy rain.
If storms stall over the same area, flash flooding can happen, especially in places that have recently flooded.
To start the week, the areas most at risk for storms and flash flooding include the Midwest, the Tennessee River Valley and parts of the Southeast.
The heat dome will slowly shift eastward during the week, which may briefly reduce the storm chances in some places, but the heat isn't going anywhere.
By Thursday, portions of the Great Lakes will see feels-like temperatures climb into the mid- to upper 90s, as dew points rise into the 70s.
The rise of this pressure and humidity will cause temperatures to hit over 100 degrees across the central U.S. in the coming days.
Getty Images
Come Friday, the worst of the heat will target the Interstate 95 corridor.
From Washington to New York City and Boston, high temperatures will reach into the 90s.
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With the tropical air mass factored in, it will feel more like 100-plus degrees during the afternoon.
A few record highs will be possible Friday, with areas like Newark, New Jersey, potentially reaching into the upper 90s.
Into the weekend, the heat will wane slightly for areas such as New York City and Boston (with highs returning to the 80s), but it will remain brutally warm across the mid-Atlantic.
Long-range forecasts keep the East and Northeast above average through the rest of the summer.
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Life-threatening heat dome intensifies as ring of fire storms rumble across central US
Life-threatening heat dome intensifies as ring of fire storms rumble across central US

New York Post

time19 hours ago

  • New York Post

Life-threatening heat dome intensifies as ring of fire storms rumble across central US

The big weather story this week is a large area of high pressure building over the central U.S., often called a 'heat dome,' the FOX Forecast Center warns. These systems trap heat beneath them and lead to stretches of very hot, dry weather. Advertisement While this particular heat dome won't likely break any records, it will push temperatures into the upper 90s for a huge portion of the country. What will make it feel even worse is the humidity. With dew points running high, the heat index, or 'feels-like' temperature, will soar above 100 degrees in many major cities, like St. Louis, Kansas City and Oklahoma City. Some areas could even feel closer to 110-115 degrees. Advertisement The high humidity makes it harder for your body to cool off through sweating, which is why it feels so much hotter than the thermometer shows, the FOX Forecast Center added. Underneath the heat dome, the weather will stay mostly dry. Texas, for example, will continue drying out this week, which is a welcome break after recent flooding in places like Kerrville. However, not every part of the country will be dry. Advertisement The moisture being blocked from rising straight up into the heat dome is instead getting pushed around it. This creates a setup where storms fire up along the northern and eastern edges of the dome. These 'ring of fire' storms are powered by daytime heat and plenty of unstable air. High pressure building up over the central U.S. could lead to very hot and dry weather that'll likely last for a while. Getty Images Advertisement They can bring damaging winds, large hail and heavy rain. If storms stall over the same area, flash flooding can happen, especially in places that have recently flooded. To start the week, the areas most at risk for storms and flash flooding include the Midwest, the Tennessee River Valley and parts of the Southeast. The heat dome will slowly shift eastward during the week, which may briefly reduce the storm chances in some places, but the heat isn't going anywhere. By Thursday, portions of the Great Lakes will see feels-like temperatures climb into the mid- to upper 90s, as dew points rise into the 70s. The rise of this pressure and humidity will cause temperatures to hit over 100 degrees across the central U.S. in the coming days. Getty Images Come Friday, the worst of the heat will target the Interstate 95 corridor. From Washington to New York City and Boston, high temperatures will reach into the 90s. Advertisement With the tropical air mass factored in, it will feel more like 100-plus degrees during the afternoon. A few record highs will be possible Friday, with areas like Newark, New Jersey, potentially reaching into the upper 90s. Into the weekend, the heat will wane slightly for areas such as New York City and Boston (with highs returning to the 80s), but it will remain brutally warm across the mid-Atlantic. Long-range forecasts keep the East and Northeast above average through the rest of the summer.

Bryan Norcross: Atlantic tropical disturbance Invest 94L showing some signs of life
Bryan Norcross: Atlantic tropical disturbance Invest 94L showing some signs of life

Yahoo

time20 hours ago

  • Yahoo

Bryan Norcross: Atlantic tropical disturbance Invest 94L showing some signs of life

Yahoo is using AI to generate takeaways from this article. This means the info may not always match what's in the article. Reporting mistakes helps us improve the experience. Yahoo is using AI to generate takeaways from this article. This means the info may not always match what's in the article. Reporting mistakes helps us improve the experience. Yahoo is using AI to generate takeaways from this article. This means the info may not always match what's in the article. Reporting mistakes helps us improve the experience. Generate Key Takeaways Updated at 9 a.m. ET Monday, July 21, 2025 The disturbance we've been following in the tropical Atlantic has perked up a little. The National Hurricane Center has tagged it Invest 94L. They still have its odds of developing into at least a tropical depression in the low category, but they've increased them slightly. The atmospheric conditions immediately ahead are reasonably conducive to tropical development. They would be very conducive if there wasn't so much dry air nearby. Saharan dust blankets the ocean just north of and around the disturbance. The system's best chance of developing is tonight. By late tomorrow, as the disturbance is approaching the Caribbean, the upper-level winds will increase, and no further development is expected. Most likely, the system will move across the islands as a gusty moisture surge late tomorrow or Wednesday. In the meantime, however, it could organize enough to be designated a tropical depression, with a very slight chance that it briefly becomes Tropical Storm Dexter. Invest 94L is the first in a series of robust disturbances moving off Africa. Saharan dust plumes are still thick, but gaps are allowing some thunderstorms to develop within the clusters of moisture. On average, Saharan dust begins to wane late in July, although its schedule varies year to year. Some long-range computer forecasts indicate that the next systems in the wave train moving across the Atlantic will be a little more robust than we have seen. This is expected, of course, with August right around the corner. Just like the week before last, a front is going to die out across North Florida in a few days. A low-pressure area is forecast to develop along the old front and track west across the northern Gulf. There is no sign of tropical development at this point, but we'll keep an eye on it. In any case, it will bring another round of heavy rain to the Gulf Coast and the Florida Peninsula. On average, this part of July is slow in the tropics, so nothing unusual is going on. The traditional start of the busy part of the hurricane season is Aug. 20. There's no reason to think that this season isn't going to ramp up on schedule. Original article source: Bryan Norcross: Atlantic tropical disturbance Invest 94L showing some signs of life

Tropical-like rain threatens beach, outdoor plans along Gulf Coast
Tropical-like rain threatens beach, outdoor plans along Gulf Coast

New York Post

timea day ago

  • New York Post

Tropical-like rain threatens beach, outdoor plans along Gulf Coast

Advertisement Beach and outdoor plans in the Southeast could be in jeopardy this week as a stalled cold front combined with an influx of tropical moisture from the Gulf is increasing the risk of heavy rain and thunderstorms from Louisiana to Florida, raising concerns of flooding. The FOX Forecast Center said the setup is like the one that spawned Invest 93L off the U.S. East Coast last week, but tropical development this time around is unlikely at this point. A new area of low pressure may develop Tuesday into Wednesday near the same spot where Invest 93L formed last week. As that occurs, a cold front is expected to stall along the Southeast coast, and the new low-pressure system could form over the warm waters offshore. Advertisement The FOX Forecast Center said that while some spin is likely, the system is likely to remain broad and disorganized, with no signs of quick strengthening. 3 Outdoor plans in the Southeast could be in jeopardy as a stalled cold front combined with an influx of tropical moisture from the Gulf is increasing the risk of heavy rain and thunderstorms. drew – 3 The FOX Forecast Center said that while some spin is likely, the system is likely to remain broad and disorganized, with no signs of quick strengthening. FOX Weather It will likely then get trapped under the growing heat dome and pushed off to the west, crossing Florida and hugging the Gulf Coast. Advertisement But even without this system becoming organized, the low will tap into plenty of tropical moisture across the region. This means tropical-like downpours are possible from Florida to Louisiana, especially along the Interstate 10 corridor from Tallahassee to New Orleans. 3 This means tropical-like downpours are possible from Florida to Louisiana, especially along the Interstate 10 corridor from Tallahassee to New Orleans, according to reports. FOX Weather So, for those traveling in the area, driving conditions could be tricky and slow by midweek and remain that way through at least Friday. Advertisement In terms of rainfall totals, about 2-3 inches could fall across much of the northern Gulf Coast, with some locally higher amounts. Widespread flash flooding isn't expected, but isolated flooding could pop up in pockets of heavy rain sitting over an area for too long.

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