![]() Share your favorite shelfies (photos or video of shelf clouds) to our /photos gallery, our Facebook page, or via Twitter MORE PHOTOS: 10 Spectacular Clouds | Earth's Highest Clouds | Hole-Punch Clouds) MORE ON WEATHER. The National Weather Service in Lubbock, Texas, documented a spectacular case of cold-frontal roll clouds in late September 2007. Either the gust front surged well away from the parent thunderstorm(s), or the thunderstorm(s) may have fizzled, leaving this remnant roll cloud.Īdvancing cold fronts have also triggered roll clouds on occasion. Unlike a shelf cloud, the roll cloud is detached from its parent thunderstorm(s). Wind gusts once the shelf cloud has passed may be quite strong, causing downed trees, tree limbs and power outages. When this warm, moist air condenses, you see the shelf cloud.Īs the shelf cloud passes, you feel an abrupt shift in wind direction and increased wind speed, followed within minutes by heavy rain or hail. Warmer, more moist air is lifted at the leading edge, or gust front, of this rain-cooled air. Rain-chilled air descends in a thunderstorm's downdraft, then spreads laterally when reaching Earth's surface. What you're seeing in a shelf cloud is the boundary between a downdraft and updraft of a thunderstorm or line of thunderstorms. ( PHOTOS: Scary Clouds That Are Not Tornadoes) While menacing in appearance, shelf clouds are not tornadoes or wall clouds. Shelf clouds are typically seen at the leading edge of a thunderstorm or squall line of thunderstorms. To understand how roll clouds form, we first must explain how shelf clouds develop. The first two photos in the slideshow from Lake Hendricks, Minnesota, on June 20, 2015, show a terrific example of a roll cloud. Based on their appearance, we certainly understand why.Ī more rare variety of this type of cloud, a roll cloud, resembles a giant rolling pin in the sky. However, the past few quarters have seen mass layoffs across much of the semiconductor ecosystem, which could present an opportunity for Microsoft to fill the gaps in its talent pool.A shelf cloud, also known as an arcus or arc cloud, may be the most frequently submitted cloud photo to our photo gallery and Facebook page. By comparison, Microsoft has largely relied on off the shelf or customized hardware from chipmakers like Nvidia, AMD, and Intel, which means it has a lot of catching up to do. Amazon has Trainium and Inferentia, and Google has their Tensor Processing Units (TPUs) now in their fourth generation. In addition to cutting out the middleman, custom chips present an opportunity to build processors for domain-specific applications that are more efficient than off the shelf parts.īoth Amazon Web Services and Google Cloud have developed custom AI accelerators. Pursuing custom silicon certainly has its advantages. Our goal is to provide rich solutions for our customers with a systems-wide approach. We’re continuing to invest in our own capabilities and fostering and strengthening partnerships with a wide range of chip/ecosystem providers. All Microsoft's representatives could tell us is this: The full scope of Microsoft's silicon ambitions aren't clear, and just because the company is hiring chipset engineers doesn't mean we'll necessarily see custom parts anytime soon. Broadcom chases AI craze with ML-tuned switch ASICs.Google IO: A deeper dive into the developer day's details.AMD reveals Azure is offering its SmartNICs as-a-service.Ampere heads off Intel, AMD's cloud-optimized CPUs with a 192-core Arm chip.These clouds are often ragged or wispy in appearance. The latter position, meanwhile, would be responsible for "delivering advanced packaging solutions for HPC silicon designs" for "various datacenter product segments." This suggests that Microsoft aims to follow in Amazon's footsteps and build custom silicon for all manner of compute applications. Scud (cloud) Pannus, 1 or scud clouds, 2 is a type of fractus cloud at low height above ground, detached, and of irregular form, found beneath nimbostratus, cumulonimbus, altostratus and cumulus clouds. This is perhaps the least surprising listing as Microsoft acquired DPU vendor Fungible in January. DPUs - sometimes called smartNICs or Infrastructure Processing Units - offload various functions, such as security, networking, or storage, from the host CPU cores.
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