Is today the longest day of the year? What to know about summer solstice.
The longest day of the year, and the official start of summer, has arrived in the U.S.
The summer solstice takes place Friday, June 20, and will be both the longest day and shortest night of 2025 in the Northern Hemisphere, according to the National Weather Service (NWS).
Recognized as a day of extra sunlight that ushers in warmer weather to come, the solstice is also celebrated in multiple cultures and religions. It marks the start of the Pagan holiday Litha, also known as Midsummer, which is famously celebrated at the ancient Stonehenge ruins in Wiltshire, England, where many gather to herald the season.
Here's what to know about the solstice.
The summer solstice marks the beginning of summer in the Northern Hemisphere and the longest day of the year. Meanwhile, the Southern Hemisphere will greet winter with its winter solstice.
The summer solstice will take place on Friday, June 20, at 10:42 p.m. ET, according to Space.com. The solstice itself only lasts moments, according to the Old Farmer's Almanac.
The date of the summer solstice can fall at any point between June 20 and June 22, depending on the year.
During the summer solstice, the Earth's tilt brings our planet's northernmost point closer to the sun, resulting in more hours of sunlight and fewer hours of night.
"The Northern Hemisphere's tilt toward the Sun is greatest on this day," according to NASA. "This means the Sun travels its longest, highest arc across the sky all year for those north of the equator."
Several locations around the world are particularly known for celebrating the solstice, including Newgrange in Ireland. Solstices are often associated with pagan religions and draw revelers of different faiths.
Pagans come by the thousands to Stonehenge, the prehistoric ruins of a monument built between approximately 3100 and 1600 BC in Wiltshire, England. It is one of the most famous landmarks in the U.K., but little is known about the civilization that built it or why, as these ancient peoples left no written records behind.
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Yahoo
20 hours ago
- Yahoo
Deep cuts to hurricane data could leave forecasters in the dark
Forecasters are set to lose some of their sharpest eyes in the sky just a few months before Atlantic hurricane season peaks when the Department of Defense halts a key source of satellite data over cybersecurity concerns. The data comes from microwave sensors attached to three aging polar-orbiting satellites operated for both military and civilian purposes. Data from the sensors is critical to hurricane forecasters because it allows them to peer through layers of clouds and into the center of a storm, where rain and thunderstorms develop, even at night. The sensors don't rely on visible light. Losing the data — at a time when the National Weather Service is releasing fewer weather balloons and the agency is short on meteorologists because of budget cuts — will make it more likely that forecasters miss key developments in a hurricane, several hurricane experts said. Those changes help meteorologists determine what level of threat a storm may pose and therefore how emergency managers ought to prepare. Microwave data offers some of the earliest indications that sustained winds are strengthening inside a storm. 'It's really the instrument that allows us to look under the hood. It's definitely a significant loss. There's no doubt at all hurricane forecasts will be degraded because of this,' said Brian McNoldy, a hurricane researcher and senior research associate at the University of Miami's Rosenstiel School of Marine, Atmospheric, and Earth Science. 'They're able to detect when an eye wall forms in a tropical storm and if it's intensifying — or rapidly intensifying.' Researchers think rapid intensification is becoming more likely in tropical storms as the oceans warm as a result of human-caused climate change. The three satellites are operated for both military and civilian purposes through the Defense Meteorological Satellite Program, a joint effort of the National Oceanic and Atmospheric Administration and the Department of Defense. While hurricane experts said they were concerned about losing the tool, Kim Doster, NOAA's communications director, downplayed the decision's effect on hurricane forecasting by the National Weather Service. In an email, Doster said the military's microwave data 'is a single dataset in a robust suite of hurricane forecasting and modeling tools in the NWS portfolio.' Doster said these models include data from geostationary satellites — a different system that constantly observes Earth from about 22,300 miles away and offers a vantage point that appears fixed because the satellites synchronize with Earth's rotation. They also ingest measurements from Hurricane Hunter aircraft missions, buoys, weather balloons, land-based radar and from other polar-orbiting satellites, including NOAA's Joint Polar Satellite System, which she said provides 'the richest, most accurate satellite weather observations available.' A U.S. Space Force official said the satellites and their instruments in question remain functional and that the data will be sent directly to weather satellite readout terminals across the DOD. The Navy's Fleet Numerical Meteorology and Oceanography Center made the decision to stop processing that data and sharing it publicly, the official said. The Navy did not immediately respond to a request for comment. Earlier this week, a division of the Navy notified researchers that it would cease to process and share the data on or before June 30, and some researchers received an email from the Navy's Fleet Numerical Meteorology and Oceanography Center, saying that its data storage and sharing program relied on a processing station that was using an 'end-of-life' operating system with vulnerabilities. 'The operating system cannot be upgraded, poses a cybersecurity concern, and introduces risk to DoD networks,' the email, which was reviewed by NBC News, said. The move will cut the amount of microwave data available to forecasters in half, McNoldy estimated. This microwave data is also used by snow and ice scientists to track the extent of polar sea ice, which helps scientists understand long-term climate trends. Sea ice forms from frozen ocean water. It grows in coverage during winter months and typically melts during warmer times of the year. Sea ice reflects sunlight back into space, which cools the planet. That makes it an important metric to track over time. The extent of summer Arctic sea ice is trending lower because of global warming. Walt Meier, a senior research scientist at the National Snow and Ice Data Center, said his program learned of the Navy's decision earlier this week. Meier said the satellites and sensors are about 16 years old. Researchers have been preparing for them to eventually fail, but they weren't expecting the military to pull the plug on data with little warning, he said. Meier said the National Snow and Ice Data Center has relied on the military satellites for data on sea ice coverage since 1987, but will adapt its systems to use similar microwave data from a Japanese satellite, called AMSR-2, instead. 'It certainly could be a few weeks before we get that data into our system,' Meier said. 'I don't think it's going to undermine our sea ice climate data record in terms of confidence in it, but it's going to be more challenging.' The polar-orbiting satellites that are part of the Defense Meteorological Satellite Program provide intermittent coverage of hurricane-prone areas. The satellites typically zip around the globe in a north-south orientation every 90-100 minutes in a relatively low orbit, Meier said. The microwave sensors scan across a narrow swath of the earth, which Meier estimated at roughly 1,500 miles. As the Earth rotates, these polar-orbiting satellites can capture imagery that helps researchers determine the structure and potential intensity of a storm, if it happens to be in their path. 'It's often just by luck, you'll get a really nice pass over a hurricane,' McNoldy said, adding that the change will reduce the geographic area covered by microwave scans and the frequency of scans of a particular storm. Andy Hazelton, a hurricane modeler and associate scientist with the University of Miami Cooperative Institute for Marine & Atmospheric Studies, said the microwave data is used in some hurricane models and also by forecasters who can access near real-time visualizations of the data. Hazelton said forecasters are always looking for visual signatures in microwave data that often provide the first evidence a storm is rapidly intensifying and building strength. The National Hurricane Center defines rapid intensification as a 35-mph or higher increase in sustained winds inside a tropical storm within 24 hours. Losing the microwave data is particularly important now because in recent years, scientists have observed an increase in rapid intensification, a trend likely fueled in part by climate change as ocean waters warm. 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Brian LaMarre, the former meteorologist-in-charge at the National Weather Service's weather forecasting station in Tampa Bay, said the data is also useful for predicting flood impacts as a hurricane comes ashore. 'That scan can help predict where the heavier precipitation and rainfall rates can be,' LaMarre said. 'This data is critically important to public safety.' Hurricane season begins June 1 and ends Nov. 30. It typically starts to peak in late summer and early fall. NOAA forecasters have predicted a more busy 2025 hurricane season than typical, with six to 10 hurricanes. This article was originally published on
Yahoo
a day ago
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Meteor Fragments Hit the Southeast U.S. Here's What to Know
Aiken, South Carolina - June 26, 2025 Credit - Bryan Jennings Updyke The inner solar system is a lot calmer than it was 4 billion years ago, during what's known as the heavy bombardment period. Over the course of that violent stretch, which lasted about 500 million years, Mercury, Venus, Earth, Mars, and the moon were regularly pounded by asteroids, meteors, and other cosmic ordnance, many of the objects as big as the six-mile-wide rock that wiped out the dinosaurs. Things have gotten a lot quieter since then, but that's not to say everything has gone entirely still. Earth still lives inside a shooting gallery, with thousands of objects—totaling about 48.5 tons per year, according to NASA—entering the atmosphere. Yesterday, one of those space boulders exploded in the skies over Alabama, Tennessee, Georgia, North Carolina, and South Carolina at 11:51 a.m EDT, according to the National Weather Service (NWS). The brilliant flash, which was accompanied by a sonic boom that many mistook for an earthquake, resulted in hundreds of calls and posts to the American Meteor Society (AMS), NASA's recommended organization for reporting meteoric fireballs. In Henry County, Ga., one house was struck by debris that broke through the roof and landed inside the residence. There were no reported injuries. 'The Henry County Emergency Management Agency [EMA] passed along to us that a citizen reported that a 'rock' fell through their ceiling around the time of the reports of the 'earthquake,'' the NWS said in a Facebook post. 'Henry County EMA also reported that the object broke through the roof, then the ceiling, before cracking the laminate on the floor and stopping.' The possibility of something tumbling from the skies this week was not entirely unexpected. Yesterday's event occurred during the ongoing Bootid meteor shower, which happens once every 6.37 years, when Earth passes through the remnants of the tail of Comet 7P/Pons-Winnecke. The Bootid is just one of dozens of known showers the AMS lists on its website. Many of those events produce only a fine mist of meteor fragments, visible only at night in dark conditions away from city lights, and commonly called shooting stars. Yesterday's rock was of a decidedly greater caliber, one big enough to be classified as a bolide, a meteor with enough mass to cause a bright flash and a sonic boom as it slams into the atmosphere, but too small for most of it to reach the ground without being incinerated first. To qualify as a bolide, an incoming meteor must reach the brightness of Venus, which, like the moon, is often visible in the daytime sky. A few dozen bolides occur each year, according to NASA. The most explosive recent bolide event occurred over Chelyabinsk, Russia, on Feb. 15, 2013, when an object estimated to have measured about 65 ft., detonated in the atmosphere, injuring nearly 1,500 people and damaging 7,200 buildings. Modern history's biggest bolide also struck Russia, in the celebrated Tunguska event of 1908, when a 350-ft. meteor flattened 830 sq. mi. of forest land. Lesser meteoric fireworks are much, much more common than bolides. According to the AMS, several thousand small fireballs erupt in the atmosphere every day, but 'the vast majority of these,' the organization says, 'occur over the oceans and uninhabited regions, and a good many are masked by daylight.' Notwithstanding the Henry County house that got hit by the recent bolide, the odds of any one spot—or any one person—being struck by space debris are vanishingly small. Barely 5% of objects that enter the atmosphere survive the fires of entry and reach the surface. Roughly 70% of that surface is ocean and much of the rest is desert or other sparsely inhabited terrain. Finally, most of the meteorites that do strike the planet are, by the time of impact, micrometeorites—too small to do any damage at all. In all of known human history, in fact, there is only one person who is believed to have been killed by a meteorite—an Indian bus driver who was struck while walking on the campus of an engineering college in the state of Tamil Nadu on Feb. 6, 2016. That effectively puts your odds of meeting the same fate as one in the total number of human beings who have walked the Earth since the dawn of homo sapiens roughly 300,000 years ago. That's not to say there haven't been close calls. On May 1, 1860, a horse was killed by a meteorite strike in Concord, Ohio. In 1954, an Alabama woman—whose picture was published and story was told in the Dec. 13, 1954 issue of LIFE magazine—sustained severe bruising to her hand and side when a 10 lb. meteorite crashed through her roof while she lay napping on her sofa. Put yesterday's event in the category of lightning strikes or shark bites—theoretically possible, highly improbable, one more thing you can take off your worry list. Write to Jeffrey Kluger at
Time Magazine
a day ago
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Meteor Fragments Hit the Southeast U.S. Here's What to Know
The inner solar system is a lot calmer than it was 4 billion years ago, during what's known as the heavy bombardment period. Over the course of that violent stretch, which lasted about 500 million years, Mercury, Venus, Earth, Mars, and the moon were regularly pounded by asteroids, meteors, and other cosmic ordnance, many of the objects as big as the six-mile-wide rock that wiped out the dinosaurs. Things have gotten a lot quieter since then, but that's not to say everything has gone entirely still. Earth still lives inside a shooting gallery, with thousands of objects—totaling about 48.5 tons per year, according to NASA—entering the atmosphere. Yesterday, one of those space boulders exploded in the skies over Alabama, Tennessee, Georgia, North Carolina, and South Carolina at 11:51 a.m EDT, according to the National Weather Service (NWS). The brilliant flash, which was accompanied by a sonic boom that many mistook for an earthquake, resulted in hundreds of calls and posts to the American Meteor Society (AMS), NASA's recommended organization for reporting meteoric fireballs. In Henry County, Ga., one house was struck by debris that broke through the roof and landed inside the residence. There were no reported injuries. 'The Henry County Emergency Management Agency [EMA] passed along to us that a citizen reported that a 'rock' fell through their ceiling around the time of the reports of the 'earthquake,'' the NWS said in a Facebook post. 'Henry County EMA also reported that the object broke through the roof, then the ceiling, before cracking the laminate on the floor and stopping.' The possibility of something tumbling from the skies this week was not entirely unexpected. Yesterday's event occurred during the ongoing Bootid meteor shower, which happens once every 6.37 years, when Earth passes through the remnants of the tail of Comet 7P/Pons-Winnecke. The Bootid is just one of dozens of known showers the AMS lists on its website. Many of those events produce only a fine mist of meteor fragments, visible only at night in dark conditions away from city lights, and commonly called shooting stars. Yesterday's rock was of a decidedly greater caliber, one big enough to be classified as a bolide, a meteor with enough mass to cause a bright flash and a sonic boom as it slams into the atmosphere, but too small for most of it to reach the ground without being incinerated first. To qualify as a bolide, an incoming meteor must reach the brightness of Venus, which, like the moon, is often visible in the daytime sky. A few dozen bolides occur each year, according to NASA. The most explosive recent bolide event occurred over Chelyabinsk, Russia, on Feb. 15, 2013, when an object estimated to have measured about 65 ft., detonated in the atmosphere, injuring nearly 1,500 people and damaging 7,200 buildings. Modern history's biggest bolide also struck Russia, in the celebrated Tunguska event of 1908, when a 350-ft. meteor flattened 830 sq. mi. of forest land. Lesser meteoric fireworks are much, much more common than bolides. According to the AMS, several thousand small fireballs erupt in the atmosphere every day, but 'the vast majority of these,' the organization says, 'occur over the oceans and uninhabited regions, and a good many are masked by daylight.' Notwithstanding the Henry County house that got hit by the recent bolide, the odds of any one spot—or any one person—being struck by space debris are vanishingly small. Barely 5% of objects that enter the atmosphere survive the fires of entry and reach the surface. Roughly 70% of that surface is ocean and much of the rest is desert or other sparsely inhabited terrain. Finally, most of the meteorites that do strike the planet are, by the time of impact, micrometeorites—too small to do any damage at all. In all of known human history, in fact, there is only one person who is believed to have been killed by a meteorite—an Indian bus driver who was struck while walking on the campus of an engineering college in the state of Tamil Nadu on Feb. 6, 2016. That effectively puts your odds of meeting the same fate as one in the total number of human beings who have walked the Earth since the dawn of homo sapiens roughly 300,000 years ago. That's not to say there haven't been close calls. On May 1, 1860, a horse was killed by a meteorite strike in Concord, Ohio. In 1954, an Alabama woman—whose picture was published and story was told in the Dec. 13, 1954 issue of LIFE magazine—sustained severe bruising to her hand and side when a 10 lb. meteorite crashed through her roof while she lay napping on her sofa. Put yesterday's event in the category of lightning strikes or shark bites—theoretically possible, highly improbable, one more thing you can take off your worry list.
